Method for converting Bluetooth protocol into TCPIP audio protocol

Abstract

The invention discloses a method for converting a Bluetooth protocol into a TCPIP audio protocol, and relates to the field of wireless communication. Comprising the following steps: data packaging: packaging Bluetooth audio data into an IP network transmission format; protocol conversion: converting the data into a format which can be identified by a TCP / IP protocol through a gateway or an adapter; audio coding, decoding and transmission are carried out, audio data are coded, then are transmitted through an IP network and then are decoded, a packaged data packet comprises a source address, data content and a destination address, and network adaptation is that transmission parameters are dynamically adjusted according to the network condition, and the audio transmission quality is optimized. The audio transmission quality can be improved, the Bluetooth protocol to TCP / IP audio protocol technology can utilize the high bandwidth characteristic of a TCP / IP network to support audio stream transmission with a higher bit rate, and therefore clearer tone quality and richer audio details are provided.

Description

Technical Field

[0001] The present invention relates to the field of wireless communication, and in particular to a method for converting a Bluetooth protocol into a TCP / IP audio protocol. Background Art

[0002] Today, with the rapid development of wireless communication technology, the wireless transmission of audio data has become an important part of daily life and industrial applications. Bluetooth technology occupies an important position in short-distance wireless audio transmission due to its convenience and low power consumption characteristics.

[0003] As the foundation of Internet communication, the TCP / IP protocol has wide compatibility and efficient data transmission capabilities. The TCP / IP-based audio protocol can support higher-quality audio stream transmission and achieve cross-regional audio communication.

[0004] In the digital age, the demand for wireless transmission of audio data is increasing day by day, which has promoted the rapid development of various wireless communication technologies. Bluetooth technology occupies an important position in short-distance wireless communication due to its portability and low power consumption characteristics, but its limitations begin to appear when facing the requirements of long-distance and high-bandwidth audio transmission.

[0005] Therefore, the present invention proposes a method for converting a Bluetooth protocol into a TCP / IP audio protocol. Summary of the Invention

[0006] The purpose of the present invention is to solve the deficiencies existing in the prior art, and a method for converting a Bluetooth protocol into a TCP / IP audio protocol is proposed.

[0007] To achieve the above purpose, the present invention adopts the following technical solutions:

[0008] A method for converting a Bluetooth protocol into a TCP / IP audio protocol, comprising the following steps:

[0009] S1: Data encapsulation, encapsulating the Bluetooth audio data into a format for IP network transmission;

[0010] S2: Protocol conversion, converting the data into a format recognizable by the TCP / IP protocol through a gateway or an adapter;

[0011] S3: Audio encoding, decoding and transmission, encoding the audio data, and then transmitting it through the IP network and then decoding it.

[0012] Preferably: in the step S1, the encapsulated data packet includes a source address, data content, and a destination address.

[0013] Preferably: in the step S2, the network adaptation dynamically adjusts the transmission parameters according to the network conditions to optimize the audio transmission quality, specifically including the following steps:

[0014] S21: Use a network bandwidth detection tool to monitor the available bandwidth of the current network in real time;

[0015] S22: Dynamically adjust the bit rate of audio encoding according to the detected bandwidth.

[0016] Preferably: In the S3 step, any one of the MP3, AAC, Opus, or FLAC codecs is used for encoding and decoding.

[0017] Preferably: In the S3 step, any one of LAME, FAAC, or Opus is used as the encoding library.

[0018] Preferably: In the S3 step, any one of FFmpeg or Opus-tools is used as the decoding library.

[0019] Preferably: In the S3 step, the IP network process adopts encrypted transmission, and any one of the symmetric encryption algorithm AES, the asymmetric algorithm RSA encryption method, or the multivariate encryption algorithm is used as the encryption algorithm.

[0020] Preferably: In the S3 step, the logic of the multivariate encryption algorithm is as follows:

[0021] S31: Establish an encryption algorithm set, obtain N different encryption algorithms, form an encryption algorithm set, and mark each algorithm with a serial number from 0 to N in sequence;

[0022] S32: Data fragmentation, randomly divide the original plaintext data into multiple identical or different data blocks;

[0023] S33: Encryption algorithm selection, for each data block, calculate its eigenvalue, scale or expand the eigenvalue to the interval (0, N), obtain the integer part, and use the encryption algorithm corresponding to the serial number of the integer part in the encryption set as the encryption algorithm for this data block;

[0024] S34: Data encryption, for each data block, encrypt it using its corresponding encryption algorithm.

[0025] Preferably: In the S33 step, the eigenvalue is the number of characters or the number of occurrences of 0 or 1 in the binary data.

[0026] The beneficial effects of the present invention are as follows:

[0027] 1. The present invention can improve the audio transmission quality. The Bluetooth protocol to TCP / IP audio protocol technology can utilize the high-bandwidth characteristics of the TCP / IP network to support the transmission of audio streams with higher bit rates, thereby providing clearer sound quality and richer audio details.

[0028] 2. The present invention can expand the transmission coverage. By encapsulating Bluetooth audio data in IP data packets, the geographical range of audio transmission is significantly extended, enabling devices within a large range to achieve interconnection and interoperability.

[0029] 3. The present invention can enhance the interoperability of devices. Audio devices of different brands and models communicate through a unified TCP / IP protocol, enhancing the interoperability between devices and enabling users to more flexibly select and match different devices.

[0030] 4. The present invention can improve the security of data transmission. By encrypting data using different encryption algorithms during transmission, end-to-end security protection can be provided for audio data transmission, preventing data from being intercepted or tampered with. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 It is a flowchart of a method for converting a Bluetooth protocol into a TCP / IP audio protocol proposed by the present invention. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0032] The technical solutions of the present invention will be further described in detail below in conjunction with the specific embodiments.

[0033] Embodiment 1:

[0034] A method for converting a Bluetooth protocol into a TCP / IP audio protocol includes the following steps:

[0035] S1: Data encapsulation, encapsulating Bluetooth audio data into a format for IP network transmission;

[0036] S2: Protocol conversion, converting the data into a format recognizable by the TCP / IP protocol through a gateway or adapter;

[0037] S3: Audio encoding, decoding and transmission, encoding the audio data and then transmitting it through the IP network and then decoding it.

[0038] In the step S2, network adaptation dynamically adjusts the transmission parameters according to the network conditions to optimize the audio transmission quality, which specifically includes the following steps:

[0039] S21: Using a network bandwidth detection tool to real-time monitor the available bandwidth of the current network;

[0040] S22: Dynamically adjusting the bit rate of audio encoding according to the detected bandwidth.

[0041] In the step S1, the encapsulated data packet includes a source address, data content and a destination address.

[0042] Embodiment 2:

[0043] A method for converting a Bluetooth protocol to a TCP / IP audio protocol, which includes the following steps:

[0044] S1: Data encapsulation, encapsulating Bluetooth audio data into a format for IP network transmission;

[0045] S2: Protocol conversion, converting the data into a format recognizable by the TCP / IP protocol through a gateway or adapter;

[0046] S3: Audio encoding, decoding and transmission, encoding the audio data and then transmitting it through the IP network and then decoding it.

[0047] In the step S2, network adaptation is to dynamically adjust transmission parameters according to the network conditions to optimize the audio transmission quality, which specifically includes the following steps:

[0048] S21: Using a network bandwidth detection tool to monitor the available bandwidth of the current network in real time;

[0049] S22: Dynamically adjusting the bit rate of audio encoding according to the detected bandwidth.

[0050] In the step S1, the encapsulated data packet includes a source address, data content and a destination address.

[0051] In the step S3, MP3 is used for encoding and decoding.

[0052] Embodiment 3:

[0053] A method for converting a Bluetooth protocol to a TCP / IP audio protocol, which includes the following steps:

[0054] S1: Data encapsulation, encapsulating Bluetooth audio data into a format for IP network transmission;

[0055] S2: Protocol conversion, converting the data into a format recognizable by the TCP / IP protocol through a gateway or adapter;

[0056] S3: Audio encoding, decoding and transmission, encoding the audio data and then transmitting it through the IP network and then decoding it.

[0057] In the step S2, network adaptation is to dynamically adjust transmission parameters according to the network conditions to optimize the audio transmission quality, which specifically includes the following steps:

[0058] S21: Using a network bandwidth detection tool to monitor the available bandwidth of the current network in real time;

[0059] S22: Dynamically adjusting the bit rate of audio encoding according to the detected bandwidth.

[0060] In the step S1, the encapsulated data packet includes a source address, data content and a destination address.

[0061] In step S3, AAC is used for encoding and decoding.

[0062] Embodiment 4:

[0063] A method for converting a Bluetooth protocol into a TCP / IP audio protocol, comprising the following steps:

[0064] S1: Data encapsulation, encapsulating Bluetooth audio data into a format for IP network transmission;

[0065] S2: Protocol conversion, converting the data into a format recognizable by the TCP / IP protocol through a gateway or an adapter;

[0066] S3: Audio encoding, decoding and transmission, encoding the audio data, and then transmitting it through the IP network and then decoding it.

[0067] In step S2, network adaptation is to dynamically adjust transmission parameters according to the network conditions to optimize the audio transmission quality, specifically including the following steps:

[0068] S21: Use a network bandwidth detection tool to monitor the available bandwidth of the current network in real time;

[0069] S22: Dynamically adjust the bit rate of audio encoding according to the detected bandwidth.

[0070] In step S1, the encapsulated data packet includes a source address, data content, and a destination address.

[0071] In step S3, Opus is used for encoding and decoding.

[0072] Embodiment 5:

[0073] A method for converting a Bluetooth protocol into a TCP / IP audio protocol, comprising the following steps:

[0074] S1: Data encapsulation, encapsulating Bluetooth audio data into a format for IP network transmission;

[0075] S2: Protocol conversion, converting the data into a format recognizable by the TCP / IP protocol through a gateway or an adapter;

[0076] S3: Audio encoding, decoding and transmission, encoding the audio data, and then transmitting it through the IP network and then decoding it.

[0077] In step S2, network adaptation is to dynamically adjust transmission parameters according to the network conditions to optimize the audio transmission quality, specifically including the following steps:

[0078] S21: Use a network bandwidth detection tool to monitor the available bandwidth of the current network in real time;

[0079] S22: Dynamically adjust the bit rate of audio encoding according to the detected bandwidth.

[0080] In the S1 step, the encapsulated data packet includes a source address, data content, and a destination address.

[0081] In the S3 step, FLAC is used for encoding and decoding.

[0082] Embodiment 6:

[0083] A method for converting a Bluetooth protocol to a TCP / IP audio protocol, which includes the following steps:

[0084] S1: Data encapsulation, encapsulating Bluetooth audio data into a format for IP network transmission;

[0085] S2: Protocol conversion, converting the data into a format recognizable by the TCP / IP protocol through a gateway or adapter;

[0086] S3: Audio encoding, decoding and transmission, encoding the audio data, and then transmitting it through the IP network and then decoding it.

[0087] In the S2 step, network adaptation is to dynamically adjust the transmission parameters according to the network conditions to optimize the audio transmission quality, specifically including the following steps:

[0088] S21: Use a network bandwidth detection tool to monitor the available bandwidth of the current network in real time;

[0089] S22: Dynamically adjust the bit rate of audio encoding according to the detected bandwidth.

[0090] In the S1 step, the encapsulated data packet includes a source address, data content, and a destination address.

[0091] In the S3 step, the encoding library uses LAME.

[0092] In the S3 step, the decoding library uses FFmpeg.

[0093] Embodiment 7:

[0094] A method for converting a Bluetooth protocol to a TCP / IP audio protocol, which includes the following steps:

[0095] S1: Data encapsulation, encapsulating Bluetooth audio data into a format for IP network transmission;

[0096] S2: Protocol conversion, converting the data into a format recognizable by the TCP / IP protocol through a gateway or adapter;

[0097] S3: Audio encoding, decoding and transmission. Encode the audio data, then transmit it via the IP network and decode it afterwards.

[0098] In the S2 step, network adaptation dynamically adjusts the transmission parameters according to the network conditions to optimize the audio transmission quality. It specifically includes the following steps:

[0099] S21: Use a network bandwidth detection tool to monitor the available bandwidth of the current network in real time;

[0100] S22: Dynamically adjust the bit rate of audio encoding according to the detected bandwidth.

[0101] In the S1 step, the encapsulated data packet includes the source address, data content, and destination address.

[0102] In the S3 step, the encoding library uses FAAC.

[0103] In the S3 step, the decoding library uses FFmpeg.

[0104] Example 8:

[0105] A method for converting a Bluetooth protocol to a TCP / IP audio protocol, which includes the following steps:

[0106] S1: Data encapsulation. Encapsulate the Bluetooth audio data into a format for IP network transmission;

[0107] S2: Protocol conversion. Convert the data into a format recognizable by the TCP / IP protocol through a gateway or adapter;

[0108] S3: Audio encoding, decoding and transmission. Encode the audio data, then transmit it via the IP network and decode it afterwards.

[0109] In the S2 step, network adaptation dynamically adjusts the transmission parameters according to the network conditions to optimize the audio transmission quality. It specifically includes the following steps:

[0110] S21: Use a network bandwidth detection tool to monitor the available bandwidth of the current network in real time;

[0111] S22: Dynamically adjust the bit rate of audio encoding according to the detected bandwidth.

[0112] In the S1 step, the encapsulated data packet includes the source address, data content, and destination address.

[0113] In the S3 step, the encoding library uses Opus.

[0114] In the S3 step, the decoding library uses Opus-tools.

[0115] Example 9:

[0116] A method for converting a Bluetooth protocol to a TCP / IP audio protocol, comprising the following steps:

[0117] S1: Data encapsulation, encapsulating the Bluetooth audio data into a format for IP network transmission;

[0118] S2: Protocol conversion, converting the data into a format recognizable by the TCP / IP protocol through a gateway or an adapter;

[0119] S3: Audio encoding, decoding and transmission, encoding the audio data and then transmitting it through the IP network and then decoding it.

[0120] In the step S2, network adaptation is to dynamically adjust the transmission parameters according to the network conditions to optimize the audio transmission quality, specifically including the following steps:

[0121] S21: Using a network bandwidth detection tool to monitor the available bandwidth of the current network in real time;

[0122] S22: Dynamically adjusting the bit rate of audio encoding according to the detected bandwidth.

[0123] In the step S1, the encapsulated data packet includes a source address, data content and a destination address.

[0124] In the step S3, the IP network process adopts encrypted transmission, and the encryption algorithm adopts any one of the symmetric encryption algorithm AES, the asymmetric algorithm RSA encryption method, and the multivariate encryption algorithm.

[0125] Example 10:

[0126] A method for converting a Bluetooth protocol to a TCP / IP audio protocol, comprising the following steps:

[0127] S1: Data encapsulation, encapsulating the Bluetooth audio data into a format for IP network transmission;

[0128] S2: Protocol conversion, converting the data into a format recognizable by the TCP / IP protocol through a gateway or an adapter;

[0129] S3: Audio encoding, decoding and transmission, encoding the audio data and then transmitting it through the IP network and then decoding it.

[0130] In the step S2, network adaptation is to dynamically adjust the transmission parameters according to the network conditions to optimize the audio transmission quality, specifically including the following steps:

[0131] S21: Using a network bandwidth detection tool to monitor the available bandwidth of the current network in real time;

[0132] S22: Dynamically adjust the bit rate of audio encoding according to the detected bandwidth.

[0133] In the S1 step, the encapsulated data packet includes a source address, data content, and a destination address.

[0134] In the S3 step, the IP network process uses encrypted transmission, and the encryption algorithm uses a multivariate encryption algorithm.

[0135] In the S3 step, the logic of the multivariate encryption algorithm is as follows:

[0136] S31: Establish an encryption algorithm set, obtain N different encryption algorithms, form an encryption algorithm set, and sequentially label each algorithm with numbers from 0 to N;

[0137] S32: Data fragmentation, randomly divide the original plaintext data into multiple identical or different data blocks;

[0138] S33: Encryption algorithm selection, for each data block, calculate its eigenvalue, scale or expand the eigenvalue to the range (0, N), and obtain the integer part. Use the encryption algorithm corresponding to the integer part serial number in the encryption set as the encryption algorithm for this data block;

[0139] S34: Data encryption, for each data block, encrypt it using its corresponding encryption algorithm.

[0140] In the S33 step, the eigenvalue is the number of characters or the number of occurrences of 0 or 1 in the binary data.

[0141] As described above, only the preferred specific implementation manner of the present invention is provided, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution and inventive concept of the present invention, makes equivalent substitutions or changes, and should be covered by the protection scope of the present invention.

Claims

1. A method for converting a Bluetooth protocol to a TCPIP audio protocol, characterized in that: The following steps are involved: S1: Data encapsulation, encapsulating Bluetooth audio data into a format for IP network transmission; S2: Protocol conversion, converting data into a format that can be recognized by the TCP / IP protocol through a gateway or adapter; S3: Audio encoding, decoding and transmission, encodes the audio data, transmits it over the IP network, and then decodes it.

2. The method for converting a Bluetooth protocol to a TCPIP audio protocol according to claim 1, characterized in that: In the step S1, the encapsulated data packet includes a source address, data content and a destination address.

3. The method for converting a Bluetooth protocol to a TCPIP audio protocol according to claim 1, characterized in that: In the step S2, network adaptation is to dynamically adjust transmission parameters according to network conditions to optimize audio transmission quality, which specifically includes the following steps: S21: Use the network bandwidth detection tool to monitor the available bandwidth of the current network in real time; S22: Dynamically adjust the audio encoding bit rate according to the detected bandwidth.

4. The method for converting a Bluetooth protocol to a TCPIP audio protocol according to claim 1, characterized in that: In the step S3, the encoding and decoding uses any one of MP3, AAC, Opus or FLAC codecs.

5. The method for converting a Bluetooth protocol to a TCPIP audio protocol according to claim 1, characterized in that: In the S3 step, the encoding library uses any one of LAME, FAAC, and Opus.

6. The method for converting a Bluetooth protocol to a TCPIP audio protocol according to claim 1, characterized in that: In the S3 step, the decoding library uses any one of FFmpeg and Opus-tools.

7. The method for converting a Bluetooth protocol to a TCPIP audio protocol according to claim 1, characterized in that: In the step S3, the IP network process adopts encrypted transmission, and the encryption algorithm adopts any one of the symmetric encryption algorithm AES, the asymmetric algorithm RSA encryption method, and the multi-encryption algorithm.

8. The method for converting a Bluetooth protocol to a TCPIP audio protocol according to claim 7, characterized in that: In the S3 step, the logic of the multi-factor encryption algorithm is: S31: Establish an encryption algorithm set, obtain N different encryption algorithms, form an encryption algorithm set, and mark each algorithm with a sequence number from 0 to N in sequence; S32: Data sharding, randomly dividing the original plaintext data into multiple identical or different data blocks; S33: Encryption algorithm selection: for each data block, calculate its eigenvalue, and scale or expand the eigenvalue to the interval (0, N), and obtain the integer part, and use the encryption algorithm corresponding to the serial number of the integer part in the encryption set as the encryption algorithm of the data block; S34: Data encryption: for each data block, encrypt it using its corresponding encryption algorithm.

9. The method for converting a Bluetooth protocol to a TCPIP audio protocol according to claim 8, characterized in that: In step S33, the characteristic value is the number of characters or the number of times 0 or 1 appears in binary data.

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