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43 results about "Audio restoration" patented technology
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Audio restoration is a generalized term for the process of removing imperfections (such as hiss, impulse noise, crackle, wow and flutter, background noise, and mains hum) from sound recordings. Audio restoration can be performed directly on the recording medium (for example, washing a gramophone record with a cleansing solution), or on a digital representation of the recording using a computer (such as an AIFF or WAV file). Record restoration is a particular form of audio restoration that seeks to repair the sound of damaged gramophone records.
Audio restoration apparatus and audio restoration method
InactiveUS20060193671A1Improve fidelityHighly practicalInking apparatusSpeech recognitionTime domainFeature extraction
An audio restoration apparatus which restores an audio to be restored having a missing audio part and being included in a mixed audio. The audio restoration apparatus includes: a mixed audio separation unit which extracts the audio to be restored included in the mixed audio; an audio structure analysis unit which generates at least one of a phoneme sequence, a character sequence and a musical note sequence of the missing audio part in the extracted audio to be restored, based on an audio structure knowledge database in which semantics of audio are registered; an unchanged audio characteristic domain analysis unit which segments the extracted audio to be restored into time domains in each of which an audio characteristic remains unchanged; an audio characteristic extraction unit which identifies a time domain where the missing audio part is located, from among the segmented time domains, and extract audio characteristics of the identified time domain in the audio to be restored; and an audio restoration unit which restores the missing audio part in the audio to be restored, using the extracted audio characteristics and the generated one or more of phoneme sequence, character sequence and musical note sequence.
Owner:SOVEREIGN PEAK VENTURES LLC
Method and Apparatus for Recovering Audio Signals from Images
ActiveUS20150319540A1High levelImproved-audibility representationOptical signal transducersSubsonic/sonic/ultrasonic wave measurementAudio restorationComputer science
A method of recovering audio signals and corresponding apparatus according to an embodiment of the present invention using video or other sequence of images enables recovery of sound that causes vibrations of a surface. An embodiment method includes combining representations of local motions of a surface to produce a global motion signal of the surface. The local motions are captured in a series of images of features of the surface, and the global motion signal represents a sound within an environment in which the surface is located. Some embodiments compare representations of local motions of a surface to determine which motions are in-phase or out-of-phase with each other, enabling visualization of surface vibrational modes. Embodiments are passive, as compared to other forms of remote audio recovery that employ active sensing, such as laser microphone systems. Example applications for the embodiments include espionage and surveillance.
Owner:MASSACHUSETTS INST OF TECH
Reference clock recovery circuit and data receiving apparatus
InactiveUS20070091935A1Avoid lossTime-division multiplexData switching by path configurationClock recoveryAudio restoration
An audio recovery circuit is supplied with a video clock VCK that synchronizes with a video clock of a sending side recovered according to a frame synchronizing signal generated based on an incoming stream. The audio recovery circuit includes a PLL circuit for multiplying and dividing VCK to generate an audio master clock MCK, a counting circuit for counting the number of MCKs in one frame, and a cycle adjusting circuit for generating an audio bit clock BCK from a specified number of MCKs. The cycle adjusting circuit adjusts a cycle of BCK in a unit of MCK so that the number of clocks corresponds with the number of samples, according to the number of audio samples to be sent and the number of current MCK.
Owner:NEC ELECTRONICS CORP
Device eliminating interference of television on speech recognition device
ActiveCN107371059ASolve the problem of simultaneous useSolution possibilityTelevision system detailsSpeech analysisVideo restorationAudio restoration
The invention discloses a device eliminating interference of a television on a speech recognition device, which comprises an audio receiver connected with the audio output end of the television, an HDMI audio and video separator connected with the HDMI audio and video output end of a set top box of the television, a video output unit, a first audio output unit, an audio selector, an echo elimination unit, a speech enhancement and noise reduction unit, an audio acquisition unit, a second audio output unit, and a playback module, wherein the echo elimination unit is connected with the audio selector, the audio acquisition unit and the speech enhancement and noise reduction unit; and the audio selector is connected with the HDMI audio and video separator and the audio receiver. Technologies such as television audio signal introduction, HDMI audio and video separation, television video restoration, television audio restoration, audio selection, echo elimination, speech enhancement and noise reduction and audio acquisition are combined together, a new technical scheme in which the television and an intelligent speech device can be used at the same time is formed, and the problem that the television and the intelligent speech device can be used at the same time can be solved.
Owner:BEIJING ZHIWANG TIMES TECH
Digital IF demodulator
InactiveUS7352411B2Frequency errorTelevision system detailsContinuous tuning detailsBinary multiplierFrequency mixer
A digital IF demodulator includes an analog-to-digital (A / D) converter that receives an analog IF signal and converts it to a digital IF signal. A parallel multiplier then down-converts the digital IF signal to a baseband signal having a video component and an audio component. The frequency down-conversion uses a parallel multiplier driven by an outer feedback loop that corrects gross frequency errors in said digital IF signal. The digital IF demodulator also includes a video recovery circuit that selects the video component from the baseband signal and further down-converts the baseband signal to a video baseband using a video complex mixer driven by an inner feedback loop that corrects fast phase perturbations in the video recovery circuit. Finally, the digital IF demodulator includes an audio recovery circuit that (i) receives said baseband signal from the parallel multiplier, and (ii) down-converts the audio component to an audio baseband signal using an audio complex mixer.
Owner:AVAGO TECH INT SALES PTE LTD
Audio signal restoration device and audio signal restoration method
InactiveUS20140207443A1Prevent corruption of harmonic structureMore intelligibleSpeech analysisFine structureFrequency spectrum
A sound source generating unit 101 generates from a narrowband audio signal not passing through noise suppression a sound source signal including a fine structure of a band to be restored. On the other hand, a noise suppressing unit 102 performs noise suppression of the narrowband audio signal and a spectral envelope estimating unit 103 estimates an spectral envelope of the band to be restored. A signal synthesizing unit 104 generates a pseudo-audio signal by combining the sound source signal and the spectral envelope, and the band-pass filter unit 105 passes the pseudo-audio signal of the band to be restored, and the signal addition unit 106 generates a broadband audio restoration signal by adding the pseudo-audio signal of the band to be restored to the narrowband audio signal.
Owner:MITSUBISHI ELECTRIC CORP
Audio restoration apparatus and audio restoration method
InactiveUS7536303B2Improve fidelityAccurate acquisitionSpeech recognitionTime domainStructure analysis
An audio restoration apparatus is provided which restores an audio to be restored having a missing audio part and being included in a mixed audio. The audio restoration apparatus includes: a mixed audio separation unit which extracts the audio to be restored included in the mixed audio; an audio structure analysis unit which generates at least one of a phoneme sequence, a character sequence and a musical note sequence of the missing audio part; an unchanged audio characteristic domain analysis unit which segments the extracted audio to be restored into time domains in each of which an audio characteristic remains unchanged; an audio characteristic extraction unit which identifies a time domain where the missing audio part is located, and extracts audio characteristics of the identified time domain in the audio to be restored; and an audio restoration unit which restores the missing audio part in the audio to be restored.
Owner:SOVEREIGN PEAK VENTURES LLC
Training method and device for speaker information extraction model and computer equipment
ActiveCN111429923AImprove generalization abilitySpeech recognitionSpeech synthesisEngineeringVoice data
The invention relates to a training method for a speaker information extraction model. The method comprises the steps: enabling a voice synthesis system and a voice recognition system to be correlatedinto a training system through the speaker information extraction model; removing residual data information after text content information corresponding to voice data is extracted by the speaker information extraction model from an audio processing result to obtain a first high-dimensional vector, and obtaining a second high-dimensional vector output by a text processing network for processing the text data of a first data pair; training an audio processing network, the text processing network and the speaker information extraction model, and training convergence when a loss function reachesthe minimum value; combining the audio processing network and an audio recovery network into an audio processing network, and combining the text processing network and a text recovery network into a text processing network; and training the audio processing network and the speaker information extraction model until convergence to obtain a parameter set of the speaker information extraction model.The generalization ability of the speaker information extraction model is improved.
Owner:深圳市友杰智新科技有限公司
Digital IF modulator
InactiveUS20080180578A1Frequency errorTelevision system detailsContinuous tuning detailsBinary multiplierFrequency mixer
A digital IF demodulator includes an analog-to-digital (A / D) converter that receives an analog IF signal and converts it to a digital IF signal. A parallel multiplier then down-converts the digital IF signal to a baseband signal having a video component and an audio component. The frequency down-conversion uses a parallel multiplier driven by an outer feedback loop that corrects gross frequency errors in said digital IF signal. The digital IF demodulator also includes a video recovery circuit that selects the video component from the baseband signal and further down-converts the baseband signal to a video baseband using a video complex mixer driven by an inner feedback loop that corrects fast phase perturbations in the video recovery circuit. Finally, the digital IF demodulator includes an audio recovery circuit that (i) receives said baseband signal from the parallel multiplier, and (ii) down-converts the audio component to an audio baseband signal using an audio complex mixer.
Owner:AVAGO TECH INT SALES PTE LTD
Audio resume playback device and audio resume playback method
InactiveUS20110022400A1Avoid feeling uncomfortableRapid change in audioSpeech analysisSpecial data processing applicationsComputer hardwareAudio restoration
An audio playback device includes an interruption-information storage memory which holds frame information at the time of an interruption of playback, a compressed-stream control section which calculates a start position of reading the compressed stream from a recording medium, and reads the compressed stream accordingly, a compressed-stream decode section which decodes the compressed audio stream and transmits decoding information on the frame to the compressed-stream control section as additional resume information, and an output control section which outputs a decoding result. When playback is restarted after an interruption, playback can be restarted without any section not played back in terms of time and without any frequency range not played back, by calculating the start position of reading the compressed stream based on both the additional resume information and the frame information at the time of the interruption, and by reading the compressed stream accordingly.
Owner:PANASONIC CORP
Method for adjusting audio output and audio playing device
ActiveCN106205649ASolve the problem of sound quality distortionQuick fixDigital recording/reproducingSound qualityAudio restoration
The invention provides a method of adjusting an audio output and an audio playing device. The audio playing device comprises a sampling unit. According to the method, the audio playing device adjusts a sampling frequency of a current audio file by the sampling unit based on an audio frequency in the current audio file obtained from a playlist; and decoding processing and audio restoration of the current audio file are conducted based on the sampling frequency. As for the decoding and restoration of the audio frequency of the audio file, the invention solves the problem of sound quality distortion as the audio source needs to be resampled due to the fixed audio output frequency in the prior art.
Owner:上海皓空数码科技有限公司
Audio data encoding method and device, audio data decoding method and device, electronic equipment and storage medium
ActiveCN111128203AAvoid problems with poor sound qualityIncrease success rateSpeech analysisComputer hardwareCoding decoding
The invention relates to an audio data encoding method and device, an audio data decoding method and device, electronic equipment and a storage medium, and aims to at least solve the problem of poor real-time audio transmission quality in related audio recovery technologies. The audio data encoding method comprises the following steps: obtaining a packet loss rate of sent first audio data, the packet loss rate being a ratio of a packet loss number to a first number, the packet loss number being a difference between a second number and the first number, the first number being the number of datapackets of the first audio data sent by a sending end, and the second number being the number of data packets of the first audio data received by a receiving end; determining an encoding mode of second audio data to be transmitted according to the packet loss rate; and encoding the second audio data by adopting the encoding mode. The audio data encoding method and device, the audio data decodingmethod and device, the electronic equipment and the storage medium are applied to an audio transmission scene.
Owner:BEIJING DAJIA INTERNET INFORMATION TECH CO LTD
Apparatus and method for automatic audio system and recovery from unexpected behaviors
An automatic audio recovery system in a mobile device is provided. The system includes one or more status generators and an audio path recovery handler. The one or more status generators are configured to monitor operation of audio path elements within the mobile device, and are configured to detect and report one or more abnormal audio operations to an audio status monitor, where, responsive to one or more reports corresponding to the one or more abnormal audio operations, the audio status monitor requests automatic recovery of the audio path elements. The audio path recovery handler is configured to receive an automatic recovery request from the audio status monitor, and is configured to responsively direct reset elements corresponding to the audio path elements to automatically initialize the audio path elements to a stable state.
Owner:INTEL CORP
Apparatus and method for simultaneous playback and backup of media in a web browser
The present disclosure relates to an apparatus and method for simultaneously playing back and storing media without a plug-in in a web browser. In the present disclosure, since restoration of video, restoration of audio, and backup of media are performed in a multi-threaded manner using a web worker, it is possible to simultaneously perform playback and storage of media. To this end, interworking is performed between a video web worker performing restoration of video, an audio web worker performing restoration of audio, and a backup web worker performing backup of media. According to the present disclosure, it is possible to simultaneously perform playback and backup of media, and it is also possible to stop backup of media and then resume the backup.
Owner:HANWHA VISION CO LTD
Loudspeaker system audio recovery imaging amplifier
ActiveUS9503806B2Improve performanceImprove responseMicrophonesLoudspeaker transducer fixingFrequency spectrumAudio power amplifier
The present invention is a small high fidelity full spectrum speaker, which arranges a passive speaker and two active speakers such that fidelity of a larger speaker or one with a cross-over network is achieved.
Owner:CROSSWELL JOSEPH B +1
Voice coding method carrying position information
InactiveCN105761721ARealize portabilityFlexible recoverySpeech analysisData switching networksSound cardVoice data
The invention relates to the language coding technology, especially a voice coding method carrying position information. The method comprises: a signal obtaining step of collecting voice signals through a receiver, and forming position information through a sensor or manual input mode; a transcoding step of transforming the voice signals into voice digit signals from voice analog signals through an A / D converter, and converting the position information into binary position information of fixed lengths through a position encoder; and a recoding step of regenerating the binary position information and the voice digit signals into new voice data through a voice synthesizer. The method performs uniformed coding on position information and voice through the steps of signal obtaining, transcoding and recoding, realizes carrying position information in voice information, and can recover surround sound voice frequency according to sound card features, and obtain corresponding voice frequency data carrying position information whether it is a stereo sound card, a 5.1 sound card or a 7.1 sound card.
Owner:COSONIC INTELLIGENT TECH CO LTD
Ultrasonic coding and decoding system based on jitter sound wave signals
ActiveCN106411417AImprove work efficiencyImprove accuracySonic/ultrasonic/infrasonic transmissionNetwork communicationVIT signals
The invention relates to an ultrasonic coding and decoding system based on jitter sound wave signals. The system comprises a data processing module, a data buffer module, a network communication module, an address coding module, a clock module, a clock signal frequency division module, a digital-to-analogue conversion module, a data communication bus module, a drive module, a control unit, an audio frequency signal collection unit, a filter module and an audio frequency coding module. The data communication bus module is electrically connected with the data buffer module, the network communication module, the address coding module, the clock module, the clock signal frequency division module, the drive module, the filter module and the audio frequency coding module. The data buffer module is electrically connected with the data processing module and the audio frequency coding module. The drive module is electrically connected with the control unit and the audio frequency signal collection unit. According to the invention, the work efficiency and the accuracy of audio frequency signal coding can be effectively improved, and the efficiency of audio frequency decoding and the accuracy of audio restoration can be effectively improved.
Owner:新胜科技(上海)有限公司
Digital audio processing
InactiveCN1436350ARecord information storageMagnetic recordingDigital signal processingAudio electronics
An audio processing unit for an integrated audio reproduction system comprising an audio data recovery device for recovering audio data from an audio data source (2,3,4), sound generation apparatus (14,15) and a user input device (7,8) for user input of audio processing control data, the audio processing unit comprising a digital processor (1) provided on an integrated circuit and connected to the data recovery device, the sound generation apparatus and the user selection device and arranged to receive input audio data from the data recovery device, process the input audio data in the digital domain in accordance with the audio processing control data to generate an audio output signal, and provide the audio output signal to the sound generation apparatus, and to control at least one electromechanical function of the audio data recovery device.
Owner:GS知识产权有限责任公司
Voice recognition and voice synthesis model training method and device and computer equipment
ActiveCN111583913AImprove training effectSpeech recognitionSpeech synthesisPattern recognitionEngineering
The invention relates to a voice recognition and voice synthesis model training method, which comprises the steps of obtaining a first high-dimensional vector output after an audio processing networkprocesses voice data of a first data pair in a training set, and obtaining a second high-dimensional vector output after a text processing network processes text data of the first data pair; trainingan audio processing network and a text processing network on the training set through a loss function until training convergence; after training convergence, fixing a first parameter set correspondingto the audio processing network and a second parameter set corresponding to the text processing network; under the first parameter set and the second parameter set, training a text recovery network and an audio recovery network to converge; sequentially combining and connecting the audio processing network and the text recovery network to obtain an acoustic pre-training model for speech recognition, and sequentially combining and connecting the text processing network and the audio recovery network to obtain an acoustic pre-training model for speech synthesis. The model construction and training cost is saved.
Owner:深圳市友杰智新科技有限公司
Vibration interception auxiliary rescue system based on optical fiber
InactiveCN110454227AImprove reliabilityImprove stabilityMining devicesSubsonic/sonic/ultrasonic wave measurementRayleigh scatteringElectric power system
The invention discloses an audio restoration auxiliary rescue system based on optical fiber vibration, and belongs to the technical fields of safety production and accident rescue. The audio restoration auxiliary rescue system solves the problems of dependence of the prior art on a power system, poor anti-interference ability, large rescue positioning deviation and the like. The principle of the audio restoration auxiliary rescue system is that an optical fiber is used as a sensor, a pulsed light source emits pulsed light into the optical fiber, and at the same time, equipment detects the back-Rayleigh scattered light at the incident end of the pulsed light to analyze return light intensity information. The back-Rayleigh scattering of the optical fiber is high in regularity, and when the optical fiber has no vibration, the intensity of the back-Rayleigh scattering returned is basically fixed. Slight vibration information caused by activities or speaking of underground personnel is transmitted back to the ground through the optical fiber, and an analysis system determines the location of vibration and restores the audio according to the time at which an abnormal value is, so that arescue command center knows the exact location and status information of personnel to be rescued in time, and a reliable information guarantee is provided for accurate rescue.
Owner:光子瑞利科技(北京)有限公司
Bluetooth audio restoration method and device, equipment and medium
PendingCN112382304AReduce the numberAccurate transmissionSpeech analysisShort range communication serviceComputer hardwareEngineering
The invention discloses a Bluetooth audio restoration method and device, equipment and a medium. The method comprises the steps of obtaining connection parameter information when a Bluetooth audio data packet is transmitted to a Bluetooth device; when it is judged that the Bluetooth audio is abnormal based on the connection parameter information,detecting an input operation instruction, wherein the operation instruction is used for indicating that the Bluetooth audio is in a stuck state; and in response to the operation instruction, carrying out restoration processing on the Bluetooth audio. According to the scheme, when the Bluetooth audio is in the stuck state, the Bluetooth audio can be automatically repaired, so that the transmission accuracy of the audio information is improved, and the user experience is improved.
Owner:BEIJING XIAOMI MOBILE SOFTWARE CO LTD
A kind of fm voice signal demodulation data audio recovery method and recording method
The invention provides an FM voice signal demodulation data audio recovery method and a recording method. By adopting a digitalized demodulation, audio recovery and record preservation method of FM analog audio broadcasts based on software, all signal and data processing procedures are completely implemented on personal computers in the form of software without using an FPGA or a DSP as a traditional method, and thus the structure and processing procedures of a digital receiver can be simplified, the hardware cost can be reduced, the software-based implementation can also be more flexible andeasy to expand, the measurement analysis of spectrum parameters can be supported, and the mode that audio data can be persistently saved also brings convenience to the implementation of more subsequent audio processing.
Owner:SOUTHWEST CHINA RES INST OF ELECTRONICS EQUIP
Spherical sensor and audio remote detection method and system applying spherical sensor
The invention provides a spherical sensor. The spherical sensor comprises a driving module for receiving a moving instruction sent by a control terminal, and driving the spherical sensor to move to a target area according to the moving instruction; a video acquisition module for receiving a target locking instruction sent by the control terminal, locking a target object according to the target locking instruction and acquiring video information of the target object; an audio restoration module for extracting audio information which is environmental audio information of the target area from the video information of the target object; and a wireless communication module for transmitting the audio information to the control terminal. Moreover, the invention also provides an audio remote detection method and system applying the spherical sensor. Through adoption of the spherical sensor, remote detection of audio signals can be realized.
Owner:GCI SCI & TECH
A Speech Adversarial Sample Restoration Method with High Auditory Fidelity
ActiveCN113948067BSuppress aggressionImprove repair success rateSpeech recognitionSecuring communicationData setNoise
The invention relates to a method for repairing speech confrontation samples with the characteristics of high auditory fidelity, and relates to the field of artificial intelligence security technology. The method includes the steps of: constructing an adversarial sample repair training data set; building an RAE network and setting network parameters; constructing a high-fidelity audio reconstruction loss, that is, a high-fidelity policy improvement based on signal mean square error; setting training parameters and training the network; using The trained RAE network repairs the adversarial samples, and judges whether the repair is successful with the help of the speech recognition model. Compared with the traditional and commonly used voice signal restoration methods at present, the audio restoration samples generated by the algorithm of the present invention have higher auditory fidelity and restoration success rate, and can be applied to countermeasure samples under lower signal-to-noise ratio conditions.
Owner:BEIJING INST OF COMP TECH & APPL
Audio resume reproduction device and audio resume reproduction method
Owner:PANASONIC CORP
Audio restoration method and device, equipment and medium
PendingCN113409807AShorten repair timeFast real-time audio repair effectsSpeech analysisEngineeringAudio restoration
The embodiment of the invention relates to an audio restoration method and device, equipment and a medium. The method comprises the following steps: acquiring an audio frame signal to be processed; detecting a wave cutting interval existing in the audio frame signal, wherein the wave cutting interval comprises a plurality of continuous wave cutting points, and the wave cutting points are signal points of which the amplitudes exceed a preset threshold value; judging whether the detected wave cutting interval meets a specified interpolation condition or not according to a non-wave cutting point close to the wave cutting interval; and if yes, repairing the cut wave interval by adopting a specified interpolation method based on the non-cut wave point. According to the audio repairing method provided by the embodiment of the invention, the required operand is very low, so that the repairing time can be greatly shortened, and a quick and real-time audio repairing effect can be achieved.
Owner:BEIJING ZITIAO NETWORK TECH CO LTD
Training method, device and computer equipment for speaker information extraction model
ActiveCN111429923BImprove generalization abilitySpeech recognitionSpeech synthesisEngineeringVoice data
Owner:深圳市友杰智新科技有限公司
Audio signal restoration device and audio signal restoration method
InactiveUS9390718B2Prevent corruption of harmonic structureMore intelligibleSpeech analysisFine structureFrequency spectrum
A sound source generating unit 101 generates from a narrowband audio signal not passing through noise suppression a sound source signal including a fine structure of a band to be restored. On the other hand, a noise suppressing unit 102 performs noise suppression of the narrowband audio signal and a spectral envelope estimating unit 103 estimates an spectral envelope of the band to be restored. A signal synthesizing unit 104 generates a pseudo-audio signal by combining the sound source signal and the spectral envelope, and the band-pass filter unit 105 passes the pseudo-audio signal of the band to be restored, and the signal addition unit 106 generates a broadband audio restoration signal by adding the pseudo-audio signal of the band to be restored to the narrowband audio signal.
Owner:MITSUBISHI ELECTRIC CORP
Multi-magnet speaker and drive structure of multi-magnet speaker
PendingCN107995569AStrong magnetic fieldHigh Fidelity Audio RestorationElectrical transducersEngineeringAudio restoration
The invention relates to a multi-magnet speaker and a drive structure of the multi-magnet speaker. The multi-magnet speaker comprises multiple magnets and voice coils, wherein the multiple magnets arearranged in a manner of center symmetry, a clearance is between adjacent magnets, and the voice coils are installed in the clearance between the magnets. According to the multi-magnet speaker and thedrive structure of the multi-magnet speaker, the multi-magnet structure ensures the small volume of the speaker and enables the voice coils to fully utilize the superposition role of multiple magnetic fields to sense an audio current signal more flexibly, so that the audio and sound strength response scope is expanded, and high fidelity audio restoration is realized.
Owner:厦门东声电子有限公司
An Ultrasonic Coding System Based on Trembling Acoustic Signals
ActiveCN106411417BImprove work efficiencyImprove accuracySonic/ultrasonic/infrasonic transmissionNetwork communicationUltrasound
The invention relates to an ultrasonic coding and decoding system based on jitter sound wave signals. The system comprises a data processing module, a data buffer module, a network communication module, an address coding module, a clock module, a clock signal frequency division module, a digital-to-analogue conversion module, a data communication bus module, a drive module, a control unit, an audio frequency signal collection unit, a filter module and an audio frequency coding module. The data communication bus module is electrically connected with the data buffer module, the network communication module, the address coding module, the clock module, the clock signal frequency division module, the drive module, the filter module and the audio frequency coding module. The data buffer module is electrically connected with the data processing module and the audio frequency coding module. The drive module is electrically connected with the control unit and the audio frequency signal collection unit. According to the invention, the work efficiency and the accuracy of audio frequency signal coding can be effectively improved, and the efficiency of audio frequency decoding and the accuracy of audio restoration can be effectively improved.
Owner:新胜科技(上海)有限公司
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