Compatibility between intercom module audio and system audio

Abstract

The present invention discloses a compatibility system of intercom module audio and system audio, the system is provided with a local terminal and a remote call terminal and a remote intercom terminal communicating therewith, the local terminal comprises a voice input and output module, an intercom module, a CPU, a system audio codec module and an external codec module. The present invention realizes switching of different usage scenarios between the local terminal, the remote call terminal and the remote intercom terminal by setting a local terminal, and the local terminal outputs the input audio through different output ports through the external codec module, thereby realizing mutual compatibility of the intercom module audio and the system audio, which is not only low in cost, but also simple in structure, convenient in communication and high in reliability.

Description

Technical Field

[0001] The present invention relates to the technical field of communications, and in particular to a compatibility system between an intercom module audio and a system audio. Background Art

[0002] As a two-way mobile communication tool, walkie-talkies are convenient and fast and are widely used in public security, civil aviation, transportation, water conservancy, railways, manufacturing, construction and service industries. Currently, there are two types of walkie-talkies on the market: one is implemented through a dedicated intercom module, which integrates the reception and transmission of the RF antenna and the audio circuit; the other is that the audio circuit and the matching RF circuit of the system itself can be used for the intercom function. On the other hand, the popularity of communication devices such as smart phones has brought great convenience to people. However, due to the different communication methods between walkie-talkies and smart phones, and the incompatibility of intercom audio and system audio, the existing walkie-talkies can only communicate with walkie-talkies, and smart phones can only communicate with smart phones, but it is impossible for smart phones to communicate with walkie-talkies. Summary of the invention

[0003] The invention provides a compatibility system between an intercom module audio and a system audio, which is used to solve the problem that the existing intercom module is incompatible with the system audio and cannot realize simultaneous calls with a smart phone and an intercom.

[0004] To achieve the purpose of the present invention, the present invention provides a system for compatibility of intercom module audio and system audio, which is provided with a local terminal and a remote call terminal and a remote intercom terminal communicating therewith, wherein the local terminal comprises:

[0005] A voice input and output module, which is used for audio input and audio output;

[0006] An intercom module, which communicates with the remote intercom terminal and is used to receive audio sent by the remote intercom terminal or send audio to the remote intercom terminal;

[0007] A CPU, which communicates with the remote call terminal and is used to receive audio sent by the remote call terminal or send audio to the remote call terminal;

[0008] The system audio codec module is connected to the CPU and is used to receive and process the audio sent by the CPU and record it, and send the audio output by the voice input and output module and / or the audio output by the intercom module to the CPU and record it;

[0009] The external codec module is respectively connected to the voice input and output module, the intercom module and the system audio codec module, and is used to receive audio input from the voice input and output module and / or the intercom module and output audio to the voice input and output module and / or the intercom module, and to receive audio sent by the system audio codec module and send audio to the system audio codec module.

[0010] The process of conversation and recording between the local terminal and the remote call terminal is as follows: the conversation audio is input into the external codec module through the voice input and output module, the external codec module processes the received audio and sends it to the system audio codec module, the system audio codec module records the received audio and outputs it to the remote call terminal via the CPU; the conversation audio is input into the system audio codec module through the remote call terminal via the CPU, the system audio codec module processes and records the received audio and sends it to the external codec module, and the external codec module outputs the received audio to the voice input and output module.

[0011] Furthermore, the process of the local terminal sending audio and recording audio to the remote call terminal is as follows: the conversation audio is input by the voice input and output module to the first input port LIN1 or the second input port LIN2 of the external codec module, and after being processed by the external codec module, it is output by the first output port LOUT1 to the input port MIC of the system audio codec module via the second switch and the first switch in sequence, and then output to the remote call terminal via the CPU; the process of the remote terminal sending audio and recording audio to the local terminal is as follows: the conversation audio is output by the remote call terminal to the system audio codec module via the CPU, and after being processed and recorded by the system audio codec module, it is output by the output port HP-R to the fourth input port RIN2 of the external codec module, and then output to the voice input and output module via the fourth output port ROUT2 of the external codec module via the fourth switch.

[0012] The process of conversation and recording between the local terminal and the remote intercom terminal is as follows: the conversation audio is input to the external codec module through the voice input and output module, the external codec module processes the received audio and sends it to the intercom module and to the system audio codec module respectively, the intercom module outputs the received audio to the remote intercom terminal, and the system audio codec module records the received audio; the conversation audio is sent to the external codec module through the remote intercom terminal via the intercom module, and the external codec module sends the received audio to the voice input and output module for output and to the system audio codec module for recording after processing.

[0013] Furthermore, the process of the local terminal sending audio and recording audio to the remote intercom terminal is as follows: the conversation audio is input by the voice input and output module to the first input port LIN1 or the second input port LIN2 of the external codec module, and after being processed by the external codec module, one route is output to the remote intercom terminal via the second output port LOUT2 in sequence via the third switch and the intercom module, and another route is output to the system audio codec module via the first output port LOUT1 in sequence via the second switch and the first switch for recording; the process of the remote intercom terminal sending audio and recording audio to the local terminal is as follows: the conversation audio is input by the remote intercom terminal via the output port AUDIO_OUT of the intercom module to the third input port RIN1 of the external codec module, and after being processed by the external codec module, one route is output to the voice input and output module via the fourth output port ROUT in sequence via the fourth switch, and another route is output to the system audio codec module via the third output port ROUT1 in sequence via the second switch and the first switch for recording.

[0014] The process of the local terminal simultaneously conversing and recording with the remote call terminal and the remote intercom terminal is as follows: the conversation audio is input into the external codec module through the voice input and output module, the external codec module processes the received audio and sends it to the system audio codec module and the intercom module respectively, the system audio codec module records the received audio and outputs it to the remote call terminal via the CPU, and the intercom module outputs the received audio to the remote intercom terminal; the conversation audio is input into the system audio codec module through the remote call terminal via the CPU, the system audio codec module processes and records the received audio and sends it to the external codec module, the external codec module outputs the received audio to the voice input and output module, the remote intercom terminal sends the conversation audio to the external codec module via the intercom module, the external codec module processes the received audio and sends it to the voice input and output module for output and to the system audio codec module for recording.

[0015] Furthermore, the process in which the local terminal simultaneously sends audio to the remote call terminal and the remote intercom terminal and records the audio is as follows: the conversation audio is input by the voice input and output module to the first input port LIN1 or the second input port LIN2 of the external codec module, and after being processed by the external codec module, one route is output to the input port MIC of the system audio codec module via the first output port LOUT1 in sequence through the second switch and the first switch, and then output to the remote call terminal via the CPU, and the other route is output to the remote intercom terminal via the second output port LOUT2 in sequence through the third switch and the intercom module; the process in which the remote call terminal and the remote intercom terminal simultaneously send audio to the local terminal and record the audio is as follows: the conversation audio is input by the voice input and output module to the first input port LIN1 or the second input port LIN2 of the external codec module, and after being processed by the external codec module, the first output port LOUT1 is output to the input port MIC of the system audio codec module in sequence through the second switch and the first switch, and then output to the remote call terminal via the CPU, and the second output port LOUT2 is output to the remote intercom terminal in sequence through the third switch and the intercom module; The remote call terminal is output to the system audio codec module through the CPU, and after being processed and recorded by the system audio codec module, it is output from the output port HP-R to the third input port RIN2 of the external codec module, and then output to the voice input and output module through the fourth output port ROUT2 of the external codec module through the fourth switch. At the same time, the conversation audio is input to the third input port RIN1 of the external codec module through the output port AUDIO_OUT of the intercom module by the remote intercom terminal. After being processed by the external codec module, one route is output to the voice input and output module through the fourth output port ROUT2 through the fourth switch, and the other route is output to the system audio codec module through the third output port ROUT1 through the second switch and the first switch in sequence for recording.

[0016] The process of conversation and recording between the remote call terminal and the remote intercom terminal is as follows: the conversation audio is input to the system audio codec module via the remote call terminal via the CPU, the system audio codec module processes and records the received audio and sends it to the external codec module, the external codec module outputs the received audio to the remote intercom terminal via the intercom module; the conversation audio is sent to the external codec module via the remote intercom terminal via the intercom module, the external codec module processes the received audio and sends it to the system audio codec module for recording and outputs it to the remote call terminal via the CPU.

[0017] Furthermore, the process of the remote call terminal sending audio and recording audio to the remote intercom terminal is as follows: the conversation audio is output by the remote call terminal to the system audio codec module via the CPU, is processed and recorded by the system audio codec module, and is output from the output port HP-R to the third input port RIN2 of the external codec module, and then is output from the fourth output port ROUT2 of the external codec module to the remote intercom terminal via the third switch and the intercom module in sequence; the process of the remote intercom terminal sending audio and recording audio to the remote call terminal is as follows: the conversation audio is input by the remote intercom terminal to the third input port RIN1 of the external codec module via the output port AUDIO_OUT of the intercom module, is processed by the external codec module, and is output from the third output port ROUT1 to the system audio codec module via the second switch and the first switch in sequence for recording and output to the remote call terminal via the CPU.

[0018] In some embodiments, the system also includes a remote Bluetooth terminal that communicates with the remote intercom terminal. The process of conversation and recording between the remote Bluetooth terminal and the remote intercom terminal is as follows: the conversation audio is input to the system audio codec module via the CPU through the remote Bluetooth terminal, the system audio codec module processes and records the received audio and sends it to the external codec module, and the external codec module outputs the received audio to the remote intercom terminal via the intercom module; the conversation audio is sent to the external codec module via the remote intercom terminal via the intercom module, and the external codec module sends the received audio to the system audio codec module after processing for recording and outputs it to the remote Bluetooth terminal via the CPU.

[0019] The beneficial effects of the present invention are as follows: the present invention sets a local terminal, and the local terminal communicates with the remote call terminal and the remote intercom terminal respectively. The local terminal outputs the input audio through different output ports through an external codec module, thereby realizing the switching of different usage scenarios between the local terminal, the remote call terminal and the remote intercom terminal, thereby realizing the compatibility of the intercom module audio and the system audio, which is not only low in cost, simple in structure, convenient in communication and high in reliability. On the other hand, the remote Bluetooth terminal and the remote intercom terminal can also realize dialogue and recording through the local terminal, further improving the compatibility of the system audio and the intercom module audio, and has the characteristics of strong versatility and multiple functions. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a system structure block diagram of the present invention.

[0021] Figure 2 It is a circuit block diagram of the present invention.

[0022] Figure 3 It is a schematic diagram of the flow of audio signals from the local terminal to the remote call terminal of the present invention.

[0023] Figure 4 This is a schematic diagram of the flow of audio signals from the remote call terminal to the local terminal of the present invention.

[0024] Figure 5 It is a schematic diagram of the flow of audio signals from a local terminal to a remote intercom terminal of the present invention.

[0025] Figure 6 This is a schematic diagram of the flow of audio signals from the remote intercom terminal to the local terminal of the present invention.

[0026] Figure 7 It is a schematic diagram of the flow of audio signals when the local terminal of the present invention simultaneously communicates with the remote call terminal and the remote intercom terminal.

[0027] Figure 8 It is a schematic diagram of the flow of audio signals when a remote call terminal and a remote intercom terminal communicate with a local terminal at the same time.

[0028] Fig. 9 It is a schematic diagram of the flow of audio signals from the remote call terminal to the remote intercom terminal of the present invention.

[0029] Fig.10 It is a schematic diagram of the flow of audio signals from the remote intercom terminal to the remote call terminal of the present invention.

[0030] Fig.11 It is a schematic diagram of the flow of audio signals from a remote Bluetooth terminal to a remote intercom terminal of the present invention.

[0031] Fig.12 It is a schematic diagram of the flow of audio signals when a remote intercom terminal of the present invention communicates with a remote Bluetooth terminal. DETAILED DESCRIPTION

[0032] The technical solution of the present invention will be described clearly and completely below in conjunction with the accompanying drawings and specific embodiments. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the present invention.

[0033] See also Figure 1The present invention provides a compatible system of intercom module audio and new system audio, the system is provided with a local terminal 10, a remote call terminal 20 and a remote intercom terminal 30, wherein the local terminal 10 communicates with the remote call terminal 20 and the remote intercom terminal 30 respectively, and can realize the conversation and recording between the local terminal 10 and the remote call terminal 20 and / or the remote intercom terminal 30, and the conversation and recording between the remote call terminal 20 and the remote intercom terminal 30, thereby realizing the compatibility between the intercom module audio and the system audio, which is not only low in cost, but also convenient and reliable in communication.

[0034] like Figure 2 As shown, the local terminal 10 includes a voice input and output module 11, an intercom module 12, a CPU 13, a system audio codec module 14 and an external codec module 15, wherein the voice input and output module 11, the intercom module 12, the CPU 13 and the system audio codec module 14 are respectively connected to the external codec module 15. The local terminal 10 is compatible with the intercom module audio and the system audio, and realizes mutual conversation and recording between the local terminal 10, the remote call terminal 20 and the remote intercom terminal 30.

[0035] Specifically, Figure 2 As shown, the voice input and output module 11 is connected to the input port and output port of the external codec module 15, and is used to send audio to the external codec module 15 or receive audio sent by the external codec module 15. The voice input and output module 11 includes a voice input module and a voice output module, wherein the voice input module is connected to the input port of the external codec module, which can be a microphone or a headset, or other voice input devices. The voice output module is connected to the output port of the external codec module, which can be a headset or a speaker, or other voice output devices.

[0036] The intercom module 12 communicates with the remote intercom terminal 30 through the radio frequency antenna and is connected to the input port and output port of the external codec module 15. The intercom module 12 is used to receive the audio sent by the remote intercom terminal and send the audio to the external codec module 15. The intercom module 12 is also used to receive the audio sent by the external codec module 15 and send the audio to the remote intercom terminal 30.

[0037] The CPU 13 is connected to the remote call terminal 20 and the system audio codec module 14 respectively. The CPU 13 is used to receive the audio sent by the remote call terminal 20, and send the received audio to the system audio codec module 14. At the same time, the CPU 13 is also used to receive the audio sent by the system audio codec module 14, and send the audio to the remote call terminal 20. In addition, the CPU 13 also communicates with the external codec module 15, and is used to write register values ​​to the external codec module 15 to control the output port switch of the external codec module 15 to be turned on or off. In this embodiment, the CPU 13 communicates with the remote call terminal 20 via a communication antenna, and the CPU 13 communicates with the external codec module 15 via I2C. In some embodiments, the CPU 13 can also send the received audio to a third-party device in the form of a message push.

[0038] The system audio codec module 14 is connected to the CPU 13 and the external codec module 15 respectively, and is used to receive and record the audio sent by the external codec module 15, and send the received audio to the CPU 13. The system audio codec module 14 is also used to receive and process the audio sent by the CPU 13 and record the audio, and send the processed audio to the external codec module 15.

[0039] The external codec module 15 is connected to the voice input and output module 11, the intercom module 12 and the system audio codec module 14 respectively, and is used to receive the audio input by the voice input and output module 11, the audio input by the intercom module 12 and the audio input by the system audio codec module 14. At the same time, the external codec module 15 outputs the received audio to one or a combination of two of the voice input and output module 11, the intercom module 12 and the system audio codec module 14 according to the usage scenario.

[0040] Specifically, Figure 2 As shown, the first output port LOUT1 of the external codec module 15 is connected to the first input port MIC and the second input port HP-MIC of the system audio codec module 14 through the second switch and the first switch in sequence, the second output port LOUT2 is connected to the input port MIC of the intercom module 12 through the third switch, the third output port ROUT1 is connected to the first input port MIC and the second input port HP-MIC of the system audio codec module 14 through the second switch and the first switch in sequence, and the fourth output port ROUT2 is connected to the voice output module through the fourth switch. The first input port LIN1 and the second input port LIN2 of the external codec module 15 are respectively connected to the voice input module, the third input port RIN1 is connected to the output port AUDIO_OUT of the intercom module 12, and the fourth input port RIN2 is connected to the output port HP-R of the system audio codec module 14. Figure 2In the embodiment shown, the first input port LIN1 of the external codec module 15 is connected to the microphone, and the second input port LIN2 is connected to the output port MIC of the earphone. An amplifier module is provided between the fourth output port ROUT2 of the external codec module 15 and the fourth switch for amplifying the output audio signal.

[0041] like Figure 2 As shown, the CPU 13 writes register values ​​to the external codec module 15 to control the first output port LOUT1, the second output port LOUT2, the third output port ROUT1 or the fourth output port ROUT2 of the external codec module 15 to realize switching of different usage scenarios between the local terminal 10, the remote call terminal 20 and the remote intercom terminal 30 through the first switch, the second switch, the third switch or the fourth switch.

[0042] Specifically, Figure 3 As shown, when the local terminal 10 needs to send audio to the remote call terminal 20, the CPU 13 controls the first output port of the external codec module 15 to output the audio. At this time, the local user inputs the call audio to the external codec module 15 through a microphone or earphone for processing. The external codec module 15 sends the processed audio to the system audio codec module 14 through the first output port LOUT1 via the second switch and the first switch in sequence. The audio codec module 14 records and stores the received audio, and then sends the processed call audio to the remote call terminal 20 via the CPU 13, thereby realizing that the local terminal 10 sends and records audio to the remote call terminal 20.

[0043] like Figure 4 As shown, when the remote call terminal 20 needs to send audio to the local terminal 10, the CPU 13 controls the fourth output port ROUT2 of the external codec module 15 to output the audio. At this time, the remote user sends the call audio to the system audio codec module 14 through the CPU 13. The system audio codec module 14 processes, records and stores the received audio, and then sends the processed audio to the external codec module 15. The external codec module 15 sends the audio to the earphone or speaker through the fourth output port ROUT2 via the power amplifier module and the fourth switch, thereby enabling the local terminal 10 to receive and record audio from the remote terminal 20.

[0044] like Figure 5As shown, when the local terminal 10 needs to send audio to the remote intercom terminal 30, the CPU 13 controls the first output port LOUT1 and the second output port LOUT2 of the external codec module 15 to output audio. At this time, the local user inputs the call audio to the external codec module 15 through a microphone or earphone for processing. The external codec module 15 sends the processed audio to the intercom module 12 through the second output port LOUT2 via the third switch. The intercom module 12 then sends the audio to the remote intercom terminal 30, so that the local terminal 10 sends audio to the remote intercom terminal 30. When it is necessary to record the sent audio, the CPU 13 controls the first switch and the second switch to be turned on. The external codec module 15 also sends the processed audio to the system audio codec module 14 through the first output port LOUT1 in sequence via the second switch and the first switch. The system audio codec module 14 records and stores the received audio, so as to record the audio sent by the local terminal 10 to the remote intercom terminal 30.

[0045] like Figure 6 As shown, when the remote intercom terminal 30 needs to send audio to the local terminal 10, the CPU 13 controls the third output port ROUT1 and the fourth output port ROUT2 of the external codec 15 to output audio. At this time, the remote end user sends the call audio to the intercom module 12 through the remote intercom terminal 30, and the intercom module 12 sends the audio to the external codec module 15. The external codec module 15 processes the audio and sends it to the earphone or speaker through the fourth output port ROUT2 respectively through the power amplifier module and the fourth switch, so that the remote intercom terminal 30 sends audio to the local terminal 10. When it is necessary to record the sent audio, the CPU 13 controls the first switch and the second switch to be turned on, and the external codec module 15 also sends the processed audio to the system audio codec module 14 through the first output port LOUT1 in sequence through the second switch and the first switch. The system audio codec module 14 records and stores the received audio, so that the local terminal 10 receives and records audio from the remote intercom terminal 30.

[0046] like Figure 7As shown, when the local terminal 10 needs to send audio to the remote call terminal 20 and the remote intercom terminal 30 at the same time, the CPU 13 controls the first output port LOUT1 and the second output port LOUT2 of the external codec module 15 to output audio. At this time, the local user inputs the call audio to the external codec module 15 through a microphone or earphone for processing, and the external codec module 15 sends the processed audio to the intercom module 12 through the second output port LOUT2 via the third switch, and the intercom module 12 then sends the audio to the remote intercom terminal 30, thereby realizing that the local terminal 10 sends audio to the remote intercom terminal 30; at the same time, the external codec module 15 sends the processed audio to the system audio codec module 14 through the first output port LOUT1 via the second switch and the first switch in sequence, and the system audio codec module 14 records the processed audio and sends the processed audio to the remote call terminal 20 via the CPU 13, thereby realizing that the local terminal 10 sends audio and records to the remote call terminal 20 and the remote intercom terminal 30 at the same time.

[0047] like Figure 8 As shown, when the remote call terminal 20 and the remote intercom terminal 30 need to send audio to the local terminal 10 at the same time, the CPU 13 controls the first output port LOUT1, the third output port ROUT1 and the fourth output port ROUT2 of the external codec module 15 to output audio. At this time, the remote user sends the audio to the system audio codec module 14 through the remote call terminal 20 via the CPU 13. The system audio codec module 14 processes, records and stores the audio, and then sends the processed audio to the external codec module 15. The external codec module 15 sends the received audio to the earphone or speaker via the fourth switch; at the same time, the remote user sends the audio to the external codec module 15 through the remote intercom terminal 30. The external codec module 15 processes the received audio and sends the processed audio to the earphone or speaker through the fourth output port ROUT2 respectively through the fourth switch and the first switch in sequence. Send to the system audio codec module 14 for recording and storage, thereby realizing that the local terminal 10 receives and records audio from the remote call terminal 20 and the remote intercom terminal 30.

[0048] like Fig. 9As shown, when the remote call terminal 20 needs to send audio to the remote intercom terminal 30, the CPU 13 controls the fourth output port ROUT2 of the external codec module 15 to output audio. At this time, the remote user sends the audio to the system audio codec module 14 via the remote call terminal 20 via the CPU 13. The system audio codec module 14 processes, records and stores the audio, and then sends the processed audio to the external codec module 15. The external codec module 15 sends the audio to the intercom module 12 via the fourth output port ROUT2 via the third switch. The intercom module 12 then sends the received audio to the remote intercom terminal 30, thereby realizing the remote call terminal 20 sending audio to the remote intercom terminal 30 and recording.

[0049] like Fig.10 As shown, when the remote intercom terminal 30 needs to send audio to the remote call terminal 20, the CPU 13 controls the third output port ROUT1 of the external codec module 15 to output audio. At this time, the remote user sends the audio to the external codec module 15 through the remote intercom terminal 30. The external codec module 15 processes the received audio and sends the processed audio through the third output port ROUT1 to the system audio codec module 14 via the second switch and the first switch for recording and storage. The system audio codec module 14 sends the received audio to the remote call terminal 20 via the CPU 13, thereby realizing the remote intercom terminal 30 sending audio to the remote call terminal 20 and recording.

[0050] In some embodiments, Figure 1 As shown, the remote intercom terminal 30 can also communicate and record with the remote Bluetooth terminal 40 through the local terminal 10. Figure 2 As shown, the remote Bluetooth terminal 40 sends or receives audio through a Bluetooth headset. The Bluetooth headset communicates with the CPU 13 through a Bluetooth antenna, and sends audio to the CPU 13 or receives audio sent by the CPU 13. Figure 2 As shown, the CPU 13 controls the fourth output port ROUT2 of the external codec module 15 to output audio so that the remote Bluetooth terminal 40 sends audio to the remote intercom terminal 30 and records the audio, and controls the third output port ROUT1 of the external codec module 15 to output audio so that the remote intercom terminal 30 sends audio to the remote Bluetooth terminal 40 and records the audio.

[0051] Specifically, Fig.11As shown, when the remote Bluetooth terminal 40 needs to send audio to the remote intercom terminal 30, the CPU 13 controls the fourth output port ROUT2 of the external codec module 15 to output audio. At this time, the user sends the audio to the CPU 13 through the Bluetooth headset, and the CPU 13 sends the audio to the system audio codec module 14. The system audio codec module 14 processes the received audio and records and stores it, and then sends the processed audio to the external codec module 15. The external codec module 15 sends the received audio to the intercom module 12 through the fourth output port ROUT2 via the third switch, and the intercom module 12 then sends the received audio to the remote intercom terminal 30, thereby realizing that the remote Bluetooth terminal 40 sends audio to the remote intercom terminal 30 and records it.

[0052] like Fig.12 As shown, when the remote intercom terminal 30 needs to send audio to the remote Bluetooth terminal 40, the CPU 13 controls the third output port ROUT1 of the external codec module 15 to output audio. At this time, the remote user sends the audio to the intercom module 12 through the remote intercom terminal 30, and the intercom module 12 sends the audio to the external codec module 15. The external codec module 15 processes the received audio and sends the processed audio to the system audio codec module 14 through the third output port ROUT1 via the second switch and the first switch in sequence. The system audio codec module 14 records and stores the received audio and sends it to the Bluetooth headset via the CPU 13, thereby realizing the remote intercom terminal 30 sending and recording audio to the remote Bluetooth terminal.

[0053] The intercom module audio and system audio compatibility system of this embodiment makes the intercom module audio and system audio compatible with each other through the external codec module 15 of the local terminal 10, which can not only realize the conversation and recording between the local terminal 10 and the remote call terminal 20 and / or the remote intercom terminal 30, but also realize the conversation and recording between the remote call terminal 20 and the remote intercom terminal 30, and realize the conversation and recording between the remote Bluetooth terminal 40 and the remote intercom terminal 30. The intercom module audio and system audio compatibility system of this embodiment is not only simple in structure and low in cost, but also convenient and reliable in communication, and has strong versatility, and is suitable for conversation needs in different occasions.

[0054] Although the present invention is disclosed through the above embodiments, the protection scope of the present invention is not limited thereto. Without departing from the concept of the present invention, any deformation, replacement, etc. made to the above components shall fall within the scope of the claims of the present invention.

Claims

1. A system for intercom module audio and system audio compatibility, comprising a local terminal and a remote call terminal and a remote intercom terminal communicating therewith, characterized in that: The local terminal comprises: A voice input and output module, which is used for audio input and audio output; An intercom module, which communicates with the remote intercom terminal and is used to receive audio sent by the remote intercom terminal or send audio to the remote intercom terminal; A CPU, which communicates with the remote call terminal and is used to receive audio sent by the remote call terminal or send audio to the remote call terminal; The system audio codec module is connected to the CPU and is used to receive and process the audio sent by the CPU and record it, and send the audio output by the voice input and output module and / or the audio output by the intercom module to the CPU and record it; an external codec module, which is connected to the voice input and output module, the intercom module and the system audio codec module respectively, and is used to receive audio input from the voice input and output module and / or the intercom module and output audio to the voice input and output module and / or the intercom module, and receive audio sent by the system audio codec module and send audio to the system audio codec module; The process of the local terminal simultaneously conversing and recording with the remote call terminal and the remote intercom terminal is as follows: the conversation audio is input into the external codec module through the voice input and output module, the external codec module processes the received audio and sends it to the system audio codec module and the intercom module respectively, the system audio codec module records the received audio and outputs it to the remote call terminal via the CPU, and the intercom module outputs the received audio to the remote intercom terminal; the conversation audio is input into the system audio codec module through the remote call terminal via the CPU, the system audio codec module processes and records the received audio and sends it to the external codec module, the external codec module outputs the received audio to the voice input and output module, the remote intercom terminal sends the conversation audio to the external codec module via the intercom module, the external codec module processes the received audio and sends it to the voice input and output module for output and to the system audio codec module for recording.

2. The intercom module audio and system audio compatibility system as claimed in claim 1, characterized in that: The process of conversation and recording between the local terminal and the remote call terminal is as follows: the conversation audio is input into the external codec module through the voice input and output module, the external codec module processes the received audio and sends it to the system audio codec module, the system audio codec module records the received audio and outputs it to the remote call terminal via the CPU; the conversation audio is input into the system audio codec module through the remote call terminal via the CPU, the system audio codec module processes and records the received audio and sends it to the external codec module, and the external codec module outputs the received audio to the voice input and output module.

3. The intercom module audio and system audio compatibility system as claimed in claim 2, characterized in that: The process of the local terminal sending audio and recording audio to the remote call terminal is as follows: the conversation audio is input by the voice input and output module to the first input port LIN1 or the second input port LIN2 of the external codec module, and after being processed by the external codec module, it is output by the first output port LOUT1 to the input port MIC of the system audio codec module via the second switch and the first switch in sequence, and then output to the remote call terminal via the CPU; the process of the remote call terminal sending audio and recording audio to the local terminal is as follows: the conversation audio is output by the remote call terminal to the system audio codec module via the CPU, and after being processed and recorded by the system audio codec module, it is output by the output port HP-R to the fourth input port RIN2 of the external codec module, and then output to the voice input and output module via the fourth output port ROUT2 of the external codec module via the fourth switch.

4. The intercom module audio and system audio compatibility system as claimed in claim 1, characterized in that: The process of the conversation and recording between the local terminal and the remote intercom terminal is as follows: the conversation audio is input to the external codec module through the voice input and output module, the external codec module processes the received audio and sends it to the intercom module and the system audio codec module respectively, the intercom module outputs the received audio to the remote intercom terminal, and the system audio codec module records the received audio; The conversation audio is sent to the external codec module through the remote intercom terminal via the intercom module. The external codec module processes the received audio and sends it to the voice input and output module for output and to the system audio codec module for recording.

5. The intercom module audio and system audio compatibility system as claimed in claim 4, characterized in that: The process of the local terminal sending audio and recording audio to the remote intercom terminal is as follows: the conversation audio is input by the voice input and output module to the first input port LIN1 or the second input port LIN2 of the external codec module, and after being processed by the external codec module, one route is output to the remote intercom terminal via the second output port LOUT2 in sequence via the third switch and the intercom module, and another route is output to the system audio codec module via the first output port LOUT1 in sequence via the second switch and the first switch for recording; the process of the remote intercom terminal sending audio and recording audio to the local terminal is as follows: the conversation audio is input by the remote intercom terminal via the output port AUDIO_OUT of the intercom module to the third input port RIN1 of the external codec module, and after being processed by the external codec module, one route is output to the voice input and output module via the fourth output port ROUT2 in sequence via the fourth switch, and another route is output to the system audio codec module via the third output port ROUT1 in sequence via the second switch and the first switch for recording.

6. The intercom module audio and system audio compatibility system as claimed in claim 1, characterized in that: The process of the local terminal sending audio to the remote call terminal and the remote intercom terminal and recording audio at the same time is as follows: the conversation audio is input by the voice input and output module to the first input port LIN1 or the second input port LIN2 of the external codec module, and after being processed by the external codec module, one route is output through the first output port LOUT1 in sequence through the second switch and the first switch to the input port MIC of the system audio codec module, and then output to the remote call terminal through the CPU, and the other route is output through the second output port LOUT2 in sequence through the third switch and the intercom module to the remote intercom terminal; the process of the remote call terminal and the remote intercom terminal sending audio to the local terminal and recording audio at the same time is as follows: the conversation audio is input by the remote The call terminal is output to the system audio codec module through the CPU, and after being processed and recorded by the system audio codec module, it is output from the output port HP-R to the fourth input port RIN2 of the external codec module, and then output to the voice input and output module through the fourth switch by the fourth output port ROUT2 of the external codec module. At the same time, the conversation audio is input to the third input port RIN1 of the external codec module by the remote intercom terminal through the output port AUDIO_OUT of the intercom module. After being processed by the external codec module, one route is output to the voice input and output module through the fourth output port ROUT2 through the fourth switch, and the other route is output to the system audio codec module through the third output port ROUT1 through the second switch and the first switch in sequence for recording.

7. The intercom module audio and system audio compatibility system as claimed in claim 1, characterized in that: The process of conversation and recording between the remote call terminal and the remote intercom terminal is as follows: the conversation audio is input to the system audio codec module via the remote call terminal via the CPU, the system audio codec module processes and records the received audio and sends it to the external codec module, the external codec module outputs the received audio to the remote intercom terminal via the intercom module; the conversation audio is sent to the external codec module via the remote intercom terminal via the intercom module, the external codec module processes the received audio and sends it to the system audio codec module for recording and outputs it to the remote call terminal via the CPU.

8. The intercom module audio and system audio compatibility system as claimed in claim 7, characterized in that: The process of the remote call terminal sending audio and recording audio to the remote intercom terminal is as follows: the conversation audio is output by the remote call terminal to the system audio codec module via the CPU, processed by the system audio codec module and recorded, and then output by the output port HP-R to the third input port RIN2 of the external codec module, and then output by the fourth output port ROUT2 of the external codec module to the remote intercom terminal via the third switch and the intercom module in sequence; the process of the remote intercom terminal sending audio and recording audio to the remote call terminal is as follows: the conversation audio is input by the remote intercom terminal to the third input port RIN1 of the external codec module via the output port AUDIO_OUT of the intercom module, and after being processed by the external codec module, it is output by the third output port ROUT1 to the system audio codec module via the second switch and the first switch in sequence for recording and output to the remote call terminal via the CPU.

9. The intercom module audio and system audio compatibility system as claimed in claim 1, characterized in that: The system also includes a remote Bluetooth terminal that communicates with the remote intercom terminal. The process of communication and recording between the remote Bluetooth terminal and the remote intercom terminal is as follows: the communication audio is input to the system audio codec module via the CPU through the remote Bluetooth terminal, the system audio codec module processes and records the received audio and sends it to the external codec module, the external codec module outputs the received audio to the remote intercom terminal via the intercom module; the communication audio is sent to the external codec module via the remote intercom terminal via the intercom module, the external codec module processes the received audio and sends it to the system audio codec module for recording and outputs it to the remote Bluetooth terminal via the CPU.

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