296 results about "Sound card" patented technology

The invention discloses a cross-platform audio and video sharing method and device based on hardware, and the method comprises the steps: capturing screen frame data through a display driving model of a transmitting end, and binding the screen frame data to a GPU shared video memory; compressing the screen frame data by using differential frame compression, and encoding to obtain a change data compression packet; accessing a sound card hardware buffer area of the sending end, and performing compression coding on the audio data at the GPU end to obtain an audio data compression packet; synchronizing timestamps of the change data compression package and the audio data compression package; transmitting the change data compression package and the audio data compression package to a receiving end by using a GPUDirect technology; and the receiving end decodes the audio and video data to obtain audio and video data, performs synchronous rendering and displays the audio and video data to a display of the receiving end. The problem that the existing screen sharing technology has high requirements on network quality in the data acquisition and data sharing process is solved, the audio and video sharing efficiency is realized, the delay is reduced, and zero CPU occupation is realized.

The present application discloses a method, electronic device, and storage medium for processing audio in a real-time call. The method includes: in response to the completion of initialization of a network receiving module and a sound card, discarding the audio buffered in the network receiving module; controlling the network receiving module to receive the user's audio and transmit the user's audio to an audio buffer; obtaining a preset length of the audio sample when the sound card periodically reads the audio buffer; and adaptively adjusting the length of the audio buffer based on the relationship between the preset length and the length of the audio sample in the current audio buffer, so that the sound card reads the audio sample from the audio buffer with the preset length. In this way, the present application can reduce the audio delay of real-time calls and improve the audio quality of real-time calls.

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 disclosure discloses speech processing methods, apparatus, devices, storage media, and computer program products, relating to the field of artificial intelligence, particularly speech technology and deep learning. Specifically, in response to the detection of an external sound card device being connected, the following operations are performed: disabling the voice wake-up recognition link; adapting the parameters of the connected external sound card device; and, in response to the completion of parameter adaptation of the external sound card device, restarting the voice wake-up recognition link to enable speech processing via the external sound card device.

The utility model relates to the technical field of external sound cards, and discloses a mobile phone external sound card with a built-in network cable interface, which comprises a network cable interface and a plurality of adjusting buttons arranged on the front surface of a mobile phone external sound card body, a storage box fixedly mounted on the upper surface of the mobile phone external sound card body, a storage mechanism arranged in the storage box, and a power supply mechanism arranged in the storage box. The storage mechanism comprises a storage rod, a U-shaped fixing plate and a first toothed plate, the storage rod is rotatably mounted on the lower inner wall of the storage box, the U-shaped fixing plate is fixedly mounted on the outer surface of the storage rod, a first sliding groove is formed in the storage rod, one end of the first sliding groove extends into a vertical plate, away from the storage rod, of the U-shaped fixing plate, and the other end of the first sliding groove is provided with a second toothed plate; according to the mobile phone external sound card with the built-in network cable interface, a network cable is more conveniently fixed through the U-shaped fixing plate, then the storage rod is rotated by the rotating handle, and the network cable is stored in the storage box, so that the network cable is prevented from being wound when the network cable is not used and stored, the next use of the external sound card is not influenced, and the use efficiency of the mobile phone external sound card with the built-in network cable interface is improved.

The present invention provides a USB gaming headphone with dual-sound-card output, which includes a main chip, an headphone amplifier chip circuit, a microphone, and a total volume potentiometer, where the main chip is at least provided with 2 sound cards, and the main chip is also electrically connected to a mixing potentiometer and the microphone, and the mixing potentiometer adjusts the output of the sound cards proportionally, amplifies signals from left and right channels through the headphone amplifier chip circuit, and then performs electrical-sound conversion through a speaker. The present invention is provided with 2 output sound card devices in the main chip. By adjusting the proportion of two output channels through the mixing potentiometer.

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 embodiment of the invention provides an audio data processing method and a related device, and the method comprises the steps: storing an audio frame into a buffer area after the audio frame of audio data is received; if the network jitter or the sound card jitter corresponding to the audio frame exceeds the buffer time delay range of the buffer area, determining the type of the frame content of the audio frame; if the frame content of the audio frame is the first type, adjusting the duration of the audio frame according to the relationship between network jitter or sound card jitter and buffer delay, so as to play the audio frame according to the adjusted duration; if the frame content of the audio frame is in other types, the duration of the audio frame is not adjusted, that is, the audio frame is played according to the actual duration of the audio frame; continuous playing of the audio data is realized by adjusting the duration of the audio frame of which the type of the frame content is the first type in the audio data; since the duration of the audio frame corresponding to the other frame contents of the audio data is not changed, the audio of the audio frame is prevented from distortion, and the auditory experience of a user is improved.

The embodiment of the invention provides a sound card. The sound card comprises a shell; the at least one wireless module is arranged on the shell; the control module is arranged on the shell and is electrically connected with the at least one wireless module to control the at least one wireless module to work; wherein each wireless module is used for wirelessly communicating with at least one microphone, so that each wireless module sends real-time audio data acquired by the at least one microphone which is correspondingly communicated to the control module; therefore, the control module can process the real-time audio data collected by the at least one microphone. The wireless module is arranged to be in wireless communication with the at least one microphone, and the wireless module sends the real-time audio data collected by the at least one microphone in corresponding communication to the control module, so that the wireless microphone can also use the sound card, and the use range and the use distance of the wireless microphone become freer.

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 utility model provides a sound card, which is used for being connected with external equipment to realize mutual conversion of sound wave / digital signals, and comprises a shell and a control assembly, wherein the shell is provided with a containing cavity, the shell comprises a face shell, and a control area is arranged on the face shell; the control assembly comprises a circuit board and function keys electrically connected with the circuit board, the circuit board is arranged in the containing cavity, and the function keys are arranged in the control area; wherein the control area comprises a first control area and a second control area, and the heights, protruding out of the face shell, of the function keys arranged in the first control area and the second control area are sequentially reduced. Compared with the prior art, the sound card provided by the utility model is provided with the first control area and the second control area, so that misoperation can be avoided; and the height of the functional keys in the first control area is higher than that of the second control area, so that a user can easily distinguish the functional keys in the two control areas during use, the functional keys to be operated can be quickly identified, and the operation is convenient.

1. The name of the design product: desktop sound card microphone. 2. The use of the design product: installed on the device with USB interface, the product has the function of recording / tuning optimized sound, and the use scene is singing, live recording, and game. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 2.

The application provides a multi-sound card audio data reading alignment method, device, equipment and medium, the method comprises the steps of: an application program is started, and at least two threads are created; a sampling attribute configured by the application program using ALSA is acquired, and the audio data reading time consumption is determined according to the sampling attribute; the thread sleep duration is determined based on the audio data reading time consumption, and the at least two threads are kept in a sleep state and continuously sleep for the thread sleep duration; the at least two threads are started at the same time point according to a multi-thread synchronization starting mechanism; the audio data of the corresponding sound card is read by the at least two threads through ALSA-API; and the audio data is stored in the user buffer area corresponding to the at least two threads in the application program. The application can ensure that multiple sound cards can simultaneously transmit audio data to the application program when the application program reads audio data in a multi-thread environment, so that the audio data read by the application program is time-aligned.

The invention relates to the technical field of outdoor playing equipment, and discloses a portable accordion playing device, and the device comprises a first box which defines a first storage region, a second storage region and a third storage region, the first storage region is used for placing a microphone assembly, the second storage region is used for placing an accordion, and the third storage region is used for placing a battery pack; the second box is hinged to the first box and defines a fourth storage area, a fifth storage area, a sixth storage area and a seventh storage area, the fifth storage area is used for placing reverberation equipment, the fourth storage area is used for placing sound card equipment, the sixth storage area is used for placing sound equipment, and the sound card equipment, the reverberation equipment and the sound equipment are connected through a plurality of audio cables. The seventh storage area is used for storing an audio cable; a first universal wheel set is installed at the bottom of the first box, and a second universal wheel set is installed at the bottom of the second box. According to the portable accordion playing device, the accordion is convenient to carry, reverberation equipment can be installed, and the ensemble effect is greatly improved.

The utility model discloses a network live broadcast sound card connecting line, which relates to the technical field of sound card connecting lines and comprises a live broadcast sound card and a connecting line protection device. The connecting wire protection device comprises two L-shaped guide rods, two sliding blocks, two arc-shaped pressing plates, a fixing cylinder, a pull rod, a ball and a sleeve spring, the two L-shaped guide rods are fixedly connected to the surface of the live broadcast sound card, the two sliding blocks are slidably installed on the surfaces of the two L-shaped guide rods respectively, the two arc-shaped pressing plates are fixedly connected to the opposite ends of the two sliding blocks respectively, and the two arc-shaped pressing plates are fixedly connected to the surfaces of the two sliding blocks respectively. The two arc-shaped pressing plates are clamped on the surface of the connecting wire, the fixed cylinder is slidably installed in the sliding block, the pull rod is slidably connected in the sliding block, the two arc-shaped pressing plates can protect the connecting position of the connecting wire and the USB terminal, and the connecting wire is prevented from being damaged when the connecting wire moves. The connecting part between the connector lug of the connecting wire and the USB terminal is bent, so that the connecting part is prevented from being damaged.

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.

1. The name of the design product: sound card (ap-003-sk). 2. The use of the design product: for sound effect audio adjustment and processing and data transmission. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

The utility model relates to the technical field of fingerprint monitoring, in particular to a current fingerprint monitoring system, which comprises a Raspberry Pi, the Raspberry Pi is electrically connected with a current sensor, the current sensor is electrically connected with a mutual inductor, the Raspberry Pi is connected with a display screen, the Raspberry Pi is connected with a USB (universal serial bus) sound card, the USB sound card is connected with a sound box, and the Raspberry Pi is connected with a GPD (general purpose digital) module. The Raspberry Pi is connected with a temperature and humidity sensor, the Raspberry Pi is connected with a fan, the circuit sensor is connected with a V power supply port, the Raspberry Pi is connected with the V power supply port, the Raspberry Pi is connected with a switch, and the Raspberry Pi comprises a shell; the device has the beneficial effects that the current use condition of the device can be monitored in real time, the current abnormity is captured in time, an operator is reminded to make corresponding treatment, and the device is kept in a good running state. In addition, the action event of the to-be-monitored equipment can be manually set according to the current change, event capture is carried out, and the equipment operation condition is judged according to the event execution condition.

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.

1. Name of the product in this design: Headphone Sound Card Remote (G91). 2. Purpose of this design: Headphone sound card control. 3. The key design features of this product are the combination of shape and pattern. 4. The image or photograph that best illustrates the design's key points: a 3D model.

1. The name of the design product: Sound Card (SC9). 2. The use of the design product: A sound card for adjusting audio frequencies. 3. The design key points of the design product: Lies in the shape. 4. The picture or photo that best shows the design key points: The three-dimensional view.

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 invention discloses a sound card and a sound card system. The sound card comprises a shell, a wireless module and a control module. The control module is electrically connected with the at least one wireless module to control the at least one wireless module to work; each wireless module is used for wirelessly communicating with at least one microphone, so that each wireless module can send real-time audio data collected by the at least one microphone in corresponding communication to the control module; and when the sound card is used for wirelessly communicating with a plurality of microphones, each wireless module can also send the received audio data from the control module to at least one microphone in corresponding communication, so that each microphone selectively monitors the audio data of the other microphones. Therefore, the real-time audio data collected by the microphone can be sent to the control module through the wireless module, and the control module processes the real-time audio data collected by the microphone, so that the real-time audio data collected by the microphone can enjoy the sound effect of a professional sound card after being processed by the control module.

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.

A method of measuring round-trip audio latency includes communicatively coupling a soundcard to a first mobile device, a second mobile device, and an audio interface. The method also includes transmitting a first audio signal to the soundcard by the first mobile device. The method also includes receiving the first audio signal by the second mobile device via an audio server computing device communicatively coupled to the audio interface. The method also includes transmitting a second audio signal to the soundcard by the second mobile device. The method also includes receiving the second audio signal from the soundcard by the first mobile device. The method also includes calculating a round-trip audio latency by the first mobile device based on the transmitted first audio signal and the received second audio signal.

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.