127 results about "Sound card" patented technology

1. Name of the designed product: sound card (F999NEO). 2. Use of the designed product: sound card for live broadcast, sound synthesis, beautification and conversion. 3. Design points of the designed product: in shape. 4. Picture or photo best indicating the design points: perspective view 1.

1. The name of the design product: neck hanging sound card Bluetooth earphone (S580). 2. The use of the design product: for neck hanging sound card Bluetooth earphone. 3. The design points of the design product: in shape. 4. The picture or photo that can best show the design points: perspective view 1.

The invention belongs to the technical field of audio equipment and communication, and discloses a sound card audio transmission device and interaction system, which comprises host transmitter equipment and at least one receiver equipment, and the host transmitter equipment is in wireless pairing connection with the receiver equipment; the host emitter device integrates a sound card function and a UHF wireless audio emission function and comprises a host shell, and a host circuit board is arranged in the host shell. A control circuit on the host circuit board is connected with a monitoring jack, a stepping roller knob, a startup sliding block, an adjustable audio input interface, a charging signal port, a radio frequency antenna, a light guide key and a luminous logo lamp; the host transmitter is connected to audio input equipment through the adjustable audio input interface; through combination of hardware innovation and software intelligence, an efficient, stable and user-friendly audio transmission solution is provided, the aspects of audio quality, equipment reliability and operation convenience are remarkably improved, and the method is suitable for wide application fields.

This invention provides an audio transmission method, apparatus, and server method, relating to the technical field of audio adaptation. The method includes: establishing a communication connection between a sound card to be adapted and an embedded system to be adapted through an audio management unit, so as to transmit control signals generated by the embedded system to the sound card through the communication connection; and feeding back the audio signal generated by the sound card in response to the control signals to the embedded system through an audio transmission structure. This invention establishes a connection between the system and the sound card through an adaptation platform, enabling audio transmission between the system and the sound card.

The application relates to the technical field of storage, and discloses a storage structure of a wireless sound card, which comprises an input end USB interface, an EMMC card reading controller IC, a wireless sound card module, a USB HUB controller IC and a storage unit EMMC. The storage structure of the wireless sound card can quickly realize the storage function of the wireless sound card and does not occupy the operation resources of an MCU or an SOC or a DSP or the like, the storage function of the wireless sound card device can be used for storing audio and video files and data files in the sound card, the input end USB interface connected intelligent device can be used for quickly reading and writing the audio and video files and the like, the wireless sound card technical scheme with the storage function has a multiple protection mechanism, the circuit is simple to apply, is strong in portability and expansibility, the storage capacity of the storage function can be changed into the storage element EMMC with different capacities on the premise of not changing the hardware circuit design scheme, and the research and development and production costs are reduced.

The invention discloses a multi-channel virtual desktop remote display method and system and a storage medium, and belongs to the technical field of data processing. The method comprises the steps that S1, a server simulates a virtual display device, a virtual input device and a virtual sound card device for each virtual desktop; s2, a client is connected to the server through a network to start a remote display server for each virtual desktop; s3, establishing a plurality of channels between the client and the remote display server; s4, the remote display server transmits the virtual desktop data to the client; s5, the client remotely displays and controls the virtual desktop; a virtual desktop video area detection method is adopted, a dynamic video playing area and a static image area on a virtual desktop are distinguished, virtual desktop data in the dynamic video playing area are compressed by using a video compression algorithm, and virtual desktop data in the static image area are compressed by using an image compression algorithm to realize classified compression. And the network bandwidth is saved.

1. The name of the design product: wireless ear return monitor. 2. The use of the design product: for a wireless ear return monitor, suitable for musical instruments, mobile phones, mixing consoles, sound cards, earphones, microphones, etc. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: assembly state diagram. 5. Other components that need to be explained: the design is composed of components 1 and components 2, where component 1 is a transmitter and component 2 is a receiver.

The utility model relates to a functional circuit based on an RK3588 bottom plate, and the functional circuit comprises a core control module, a power module, a full-function TYPEC module, a DEBUG serial port module, an HDMI module, an MIPI module, an eDP display module, a multi-communication interface module, and a sound card module. The core control module comprises a first control BTB connector J1, a second control BTB connector J2, a third control BTB connector J3 and a fourth control BTB connector J4, the full-function TYPEC module is in signal connection with the third control BTB connector J3, the DEBUG serial port module is in signal connection with the first control BTB connector J1, the HDMIIN module is in signal connection with the first control BTB connector J1, and the MIPI module is in signal connection with the third control BTB connector J3. The method has the effects of supporting multi-display output and enriching functions.

The utility model provides a control circuit capable of being compatible with various sound card chips, which is characterized in that a power supply is in power supply connection with a sound card compatible main control circuit, the input end of the sound card compatible main control circuit is connected with audio signal source input equipment, and the output end of the sound card compatible main control circuit is connected with audio signal playing equipment; the sound card compatible main control circuit is internally provided with a sound card chip U9, a resistor R357, a capacitor C80 and a capacitor C81, the sound card chip U9 is provided with 48 pins, the first pin of the sound card chip U9 is connected with the output end of the power supply, the 23rd and 24th pins of the sound card chip U9 are connected with the output end of audio signal source input equipment, and the 21st and 22th pins of the sound card chip U9 are connected with the input end of audio signal playing equipment. The beneficial effects of the utility model are that the control circuit can be suitable for the matching use of three sound card chips, namely an ALC662 sound card chip, an ALC892 sound card chip and an ALC897 sound card chip at the same time.

The invention provides a multi-channel loop echo card, a zero terminal system and a multi-party session method, and relates to the audio field, the multi-channel loop echo card comprises a first unit and a second unit; the first unit comprises a first playing subunit and a first recording subunit; the second unit comprises a second playing subunit and a second recording subunit; the multi-channel loop echo card is used for simultaneously outputting audio data injected from one playing channel in the second playing subunit through a plurality of recording channels of the first recording subunit, the first playing subunit and the second recording subunit; or outputting the synthesized audio data correspondingly generated by a plurality of pieces of audio data injected from a plurality of playing channels in the second playing subunit through one recording channel of the first recording subunit, the first playing subunit and the second recording subunit. According to the scheme, the problems of large traffic occupied by sound transmission and asynchronous sound during multi-party voice communication can be solved.

The present application relates to the technical field of audio channel switching, and provides an audio channel automatic switching circuit, method, device and storage medium, the circuit comprises an audio output end and an audio input end, the audio output end and the audio input end are used for connecting a USB sound card, further comprising a first PMOS tube, a second PMOS tube, a third PMOS tube and a fourth PMOS tube, the first PMOS tube and the second PMOS tube are arranged on the connecting circuit of the audio output end, the third PMOS tube and the fourth PMOS tube are arranged on the connecting circuit of the audio input end, when the loudspeaker and / or microphone are pulled out or inserted into the USB sound card, the level of the corresponding connecting circuit will change, the automatic switching of the two audio channels of the USB sound card and HDMI can be realized, manual switching is not needed, the conversion is rapid, when the loudspeaker or the microphone is inserted into the USB sound card alone, the control chip can correspondingly identify, and the use is flexible.

The application discloses an audio playing system, method, driving device and storage medium, and relates to the technical field of audio playing systems. The audio playing system comprises an audio playing platform, which comprises a receiving module, an arbitration module and a first sending module. The receiving module is used for receiving a focus request. The arbitration module is used for performing focus arbitration processing in response to the focus request and obtaining a focus arbitration result. The first sending module is used for sending the focus arbitration result to at least a sound source object corresponding to the focus request, so that the sound source object sends audio data to a shared sound card according to the focus arbitration result. The second sending module is used for sending the focus arbitration result to a control module, so that the control module controls the shared sound card to play the audio data according to the focus arbitration result. The application provides a dedicated audio playing platform to perform focus arbitration, which can effectively coordinate the sound emission sequence in the audio playing system, control the shared sound card to play the audio data, avoid simultaneous sound emission, and improve driving safety.

The invention relates to the technical field of sound card design, and particularly discloses a sound card driving compatible circuit, sound card equipment and a driving method. The circuit comprises an audio coding and decoding chip and a main controller, a first end of the audio coding and decoding chip is connected with the earphone socket, a second end is connected with the audio power amplifier, a third end is connected with a first end of the main controller, a fourth end and the main controller are connected with an external controller, and the main controller is connected with the audio power amplifier. The audio coding and decoding chip acquires a system kernel of an external system detected by the external controller and then generates a kernel judgment signal, and when an earphone is not inserted into the earphone socket, generates a power amplifier power supply starting signal and transmits the power amplifier power supply starting signal to the main controller; and when receiving the power amplifier power supply starting signal, the main controller generates a power amplifier driving signal according to the level state of the kernel judgment signal so as to control the power amplifier driving signal to drive the audio power amplifier to be started. Logic judgment is carried out through two kinds of heterogeneous data to control the on-off state of the audio power amplifier, and compatibility of different systems is achieved.

The invention relates to the field of servers, and discloses a control system based on a server system, and the system comprises a distributed seat KVM system which is used for achieving the remote control of a plurality of seats, and the distributed seat KVM system outputs an instruction stream containing an audio signal; the audio transmission module is used for transmitting an audio signal in the instruction stream; the sound card adaptation module comprises a sound card detection unit and a drive loading unit; the sound card detection unit is used for detecting sound card hardware equipment installed in a server system and a drive loading state of the sound card hardware equipment; and the driver loading unit is used for loading a sound card driver compatible with the server system according to a detection result of the sound card detection unit, and loading a driver matched with a kernel version of the server system when a plurality of sound card devices are detected. The method has the following effect: the problem of audio function failure caused by incompatible driving is effectively solved.

This invention provides a real-time speech-to-text anti-interference testing system based on environmental noise simulation, belonging to the field of anti-interference testing technology. The system includes: an acquisition module for acquiring noise data; a virtual sound card for adjusting the noise data according to adjustment parameters of testing software to generate adjusted noise data, and fusing the adjusted noise data and real-time speech data based on mixing rules to generate fused data, wherein the virtual sound card and the testing software are adapted to a mobile phone system, and the real-time speech data comes from the mobile phone system; the testing software is used to acquire the adjustment parameters, and also for acquiring the real-time speech data transcription result of the real-time speech data and the fused data transcription result of the fused data, and obtaining the anti-interference test result based on the real-time speech data transcription result and the fused data transcription result. This invention can perform stable anti-interference testing at low cost.

According to the audio processing device provided by the utility model, the chat voice signal and the game audio signal in the game audio signal are respectively transmitted to the first sound card and the second sound card through the first interface exposed from the opening of the shell, and when the volume value of the chat voice signal exceeds the volume threshold value, the first sound card reduces and adjusts the volume value of the chat voice signal; the sound mixing module is used for carrying out sound mixing processing on chat voice signals output by the first sound card and game audio signals output by the second sound card to generate second audio signals; and the second interface is exposed from the other opening of the shell, and the second interface is in communication connection with an audio playing equipment end so as to transmit the second audio signal to the audio playing equipment end. In this way, the loudness balance between the player voice and the game voice part is achieved, it is avoided that too large chat voice signals burst ears or cover important game environment sound effects and enemy dynamic information, and the auditory experience and game immersion of users are effectively improved.

1. Name of the designed product: sound card (F999X). 2. Use of the designed product: sound card for live broadcast, sound synthesis, beautification and conversion. 3. Design points of the designed product: in shape. 4. Picture or photo that best indicates the design points: perspective view.

The invention discloses a pickup acquisition and playing implementation method and system, and intelligent equipment. The method comprises the following steps: acquiring first audio data and second audio data; the second audio data and the first audio data after reverberation reduction processing enter an annular buffer queue in sequence according to a time sequence; synchronously performing audio preprocessing operation on the first audio data and the second audio data; performing sound mixing processing to obtain target audio data; obtaining target audio data after noise reduction; and playing the target audio data in the playing buffer area according to the audio sampling rate. According to the invention, the audio data in each audio data processing step is allocated, and timing processing of the data is carried out through sound card acquisition, so that the audio data can be acquired and output according to a stable time interval; and finally, storing the target audio data into a playing buffer area to ensure that the playing speed of the plurality of sound cards can be stably maintained.

1. The name of the design product: the host of the portable sound card (fire X60). 2. The use of the design product: the host for the portable sound card. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.

1. The name of the design product: desktop switch (with USB sound card, Bluetooth docking station, earphone support). 2. The use of the design product: for desktop switch. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

1. Name of the designed product: sound card. 2. Use of the designed product: sound card. 3. Design points of the designed product: in shape. 4. Picture or photo that best shows the design points: perspective view.

1. The name of the design product: sound card earphone. 2. The use of the design product: used in mobile phone, computer, camera, video camera, sound console, power amplifier, loudspeaker and intercom and other related sound transmission equipment. 3. The design points of the design product: in shape. 4. The picture or photo that can best show the design points: perspective view 1.

1. Name of the design product: computer sound card. 2. Use of the design product: for audio transmission and sound effect processing. 3. Design points of the design product: combination of shape and pattern. 4. Picture or photo best indicating the design points: perspective view.

1. The name of the design product: the name of the portable sound card recorder (fire X60). 2. The use of the design product: for wireless internal recording transmission of the portable sound card. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective drawing.

The embodiment of the invention discloses an audio data processing method, electronic equipment and a storage medium. Based on the audio data processing method in the embodiment of the invention, initial audio data received by an entity sound card from each sound source device is allocated to a corresponding virtual sound card for processing according to a corresponding relationship between a pre-configured audio channel and the virtual sound card to obtain application audio data; each virtual sound card presents the sound source equipment type actually associated with the corresponding audio channel to the target application and sends the corresponding application audio data to the target application, and the target application can receive all audio data received by the entity sound card from each audio channel and flexibly select and use the audio data from all the audio data according to application needs of the target application. And the audio data use requirements of various applications can be met.

1. The name of the present design product: nap mode background sound and end time setting graphical user interface for electronic device. 2. The use of the present design product: an electronic device. 3. The design points of the present design product: in the graphical user interface. 4. The picture or photo that best indicates the design points: design 1 front view. 5. Design 1 is designated as the basic design. 6. The use of the graphical user interface: for users to set the background sound and end time of the nap mode according to their own needs. 7. The human-computer interaction mode of the graphical user interface: design 1 front view is the main interface of the nap mode, clicking the hexagonal setting icon on the right side of "nap mode" in design 1 front view will jump to design 1 interface change state diagram 1, first clicking the "campfire" background sound card and then clicking the "start" button in design 1 interface change state diagram 1 will jump to the countdown interface shown in design 1 interface change state diagram 2, and after the countdown is over, it will jump to design 1 interface change state diagram 3; design 2 front view is the main interface of the nap mode, clicking the hexagonal setting icon on the right side of "nap mode" in design 2 front view will jump to design 2 interface change state diagram 1, first clicking the "sea wave" background sound card and then clicking the "start" button in design 2 interface change state diagram 1 will jump to the countdown interface shown in design 2 interface change state diagram 2, and after the countdown is over, it will jump to design 2 interface change state diagram 3; design 3 front view is the main interface of the nap mode, clicking the hexagonal setting icon on the right side of "nap mode" in design 3 front view will jump to design 3 interface change state diagram 1, first clicking the "bird chirping" background sound card and then clicking the "start" button in design 3 interface change state diagram 1 will jump to the countdown interface shown in design 3 interface change state diagram 2, and after the countdown is over, it will jump to design 3 interface change state diagram 3; design 4 front view is the main interface of the nap mode, clicking the hexagonal setting icon on the right side of "nap mode" in design 4 front view will jump to design 4 interface change state diagram 1, first clicking the "rain sound" background sound card and then clicking the "start" button in design 4 interface change state diagram 1 will jump to the countdown interface shown in design 4 interface change state diagram 2, and after the countdown is over, it will jump to design 4 interface change state diagram 3; the part covered by the translucent cover in each view belongs to the content picture.

The invention provides a modularized HiFi sound card capable of replacing a DAC, and particularly relates to the technical field of sound cards, the modularized HiFi sound card comprises a sound card main body, a main circuit board is arranged in the sound card main body, the modularized HiFi sound card capable of replacing the DAC further comprises a DAC switching mechanism arranged in the sound card main body, and the modularized HiFi sound card capable of replacing the DAC is characterized in that at least three DAC boards with different tone quality grades are arranged in the modularized HiFi sound card capable of replacing the DAC. Graded switching of audio quality is achieved, diversified man-machine interaction scenes such as daily entertainment and professional listening can be flexibly adapted, rapid switching of the DAC board can be completed by triggering the driving assembly through a manual knob or an automatic key, meanwhile, the DAC board can be disassembled and assembled without operation of professional tools and professionals due to the combined design of the buckle assembly and interference fit, and the DAC board is convenient to assemble and disassemble. A common user can conveniently complete maintenance and replacement, the defect that an existing replaceable DAC module audio device is tedious in disassembly operation and depends on professionals is effectively overcome, operation convenience is greatly improved, and the maintenance threshold is lowered.

1. The name of the design product: portable sound card. 2. The use of the design product: equipment for processing, inputting and outputting audio. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view.

This invention provides a test circuit for a Type-C interface audio channel, comprising a digital-to-analog signal switching circuit connected to a universal sound card interface circuit and a smartphone's Type-C interface; input terminals of an audio channel type identification circuit and an audio signal conditioning circuit connected to the smartphone's Type-C interface; an output terminal of the digital-to-analog signal switching circuit connected to an input terminal of a USB signal to IIS signal circuit; and output terminals of the digital-to-analog signal switching circuit, the audio channel type identification circuit, and the audio signal conditioning circuit all connected to an input terminal of the universal sound card interface circuit. The USB signal to IIS signal circuit is communicatively connected to the universal sound card interface circuit. The beneficial effect of this invention is that it enables the testing of both digital and analog audio channel functions of a smartphone's Type-C interface using only a single universal sound card.

The utility model provides a portable automatic testing device for a digital in-vehicle interphone. The portable automatic testing device comprises a controller, a measurer and a power supply module which are electrically connected, the controller comprises a central processing unit, a display, a mouse, a touch panel and an interface adapter; the measurer comprises a sound card, a controllable relay module, a 2Hz oscillation module and an audio resistance potential-divider network; the power supply module supplies power to the tested interphone, the interface adapter, the controllable relay module and the 2Hz oscillation module. The utility model provides a portable automatic testing device for a digital in-vehicle interphone, which can realize quick fault positioning of in-vehicle interphones such as armors and tanks in a vehicle, and avoids the complexity that a traditional in-vehicle interphone testing device needs a plurality of instruments and equipment and the in-vehicle interphone can be detected and maintained only after being detached out of the vehicle. And meanwhile, required reports and tables are automatically generated according to automatically tested numerical values, so that the requirement of troop rapid guarantee is met.