44 results about "Sound file" patented technology

A method and system for inspecting the fuel cell stack to count the unit fuel cell is provided. The method and system include a fuel cell stack comprising a plurality of unit fuel cells, wherein each unit fuel cell comprises a bipolar plate and a membrane electrode assembly arranged in a stacked configuration. The method for inspecting the fuel cell stack includes the steps of guiding the sound generating device across the fuel cell stack in the stacking direction so that the sound generating device contacts the unit fuel cells to generate a sound. Subsequently, the generated sound is recorded and stored as a sound file. This is followed by analysing the sound file for identifying at least one distinctive sound peak that determines the features of the fuel cell stack, as well as a system that includes the above said steps is provided.

A system for customization of on-road sound production for a vehicle includes one or more noise generators supported relative to the vehicle and configured to produce a soundscape in an environment of the vehicle. The system further includes memory storing instructions that, when executed by one or more processors, cause the processor(s) to generate the soundscape from a sound file based on an indication of a user-preferred sound file of multiple files, an environmental context surrounding the vehicle, or both. The instructions cause the processor(s) to determine whether an operational status of the vehicle is suitable for on-road operation. The instructions cause the processor(s) to further produce, in response to a determination that the operational status of the vehicle is suitable for on-road operation, the soundscape utilizing the noise generator(s) while the operational status of the vehicle is suitable for on-road operation.

A power device comprises a loudspeaker, a sound source circuit and a control unit. The loudspeaker is provided with a first input pin and is used for making a sound according to a signal received by the first input pin. The sound source circuit is provided with a first output pin, and the first output pin is electrically coupled with the first input pin. A plurality of sound gears are stored in the sound source circuit, each sound gear corresponds to one prompt tone, each prompt tone has at least two pitches, and each pitch corresponds to one PWM frequency. The sound source circuit is further used for selecting one sound file according to a control command, generating a first PWM signal according to the selected sound file, and outputting the first PWM signal from the first output pin. The control unit is used for generating a corresponding control command according to a judgment result.

The device (100) for modifying a user's emotional state comprises: - a real-time reader (105) of electroencephalographic signals, - a module (110) for determining an emotional state based on a read electroencephalographic signal, - a means (115) for determining a target emotional state, - an automatic selector (120) of a sequence of at least one sound file from a pre-constituted list of sound files, based on the determined target emotional state, the read electroencephalographic signal, and at least one parameter associated with each sound file, and - an electroacoustic transducer (125) configured to read the selected sequence of sound files. Figure for the abbreviation: Figure 1

A sound data acquisition unit 110 acquires recording data obtained by recording environmental sound. A sound source separation unit 112 separates the recording data into environmental sound data and sound effect data. A first generation unit 116 generates an environmental sound file including the separated environmental sound data. A second generation unit 118 generates a sound effect file including the separated sound effect data.

An information identification method, an information identification system, a vehicle capable of implementing the information identification method, an electronic device, and a computer-readable storage medium. The information identification method applied to a first device comprises: playing back target audio; acquiring a first ambient sound file which is collected by the first device and comprises the target audio; receiving a second ambient sound file, wherein the second ambient sound file is obtained by collecting a second ambient sound by a second device; and on the basis of the first ambient sound file and the second ambient sound file, determining whether to perform an unlocking operation. By adding similarity analysis for sound information in physical environments of two end devices, the method can improve the security of keyless entry and reduce the risk of attacks on automobiles, and complex hardware does not need to be added, so that the deployment cost is low.

A sound source file acquisition unit 12 acquires a sound source file in which sound is recorded. A sound file generation unit 14 generates a sound file including one sound from the acquired sound source file.

The embodiment of the invention relates to the technical field of railway vehicle detection, and discloses an equipment working state detection system, a freight car and a detection method.The system comprises a playing module, a communication module and a judgment server, the playing module is arranged on a target freight car and used for judging whether the target freight car runs or not in the advancing process of the target freight car; when it is detected that the target truck runs to the equipment and the distance between the target truck and the equipment reaches a first distance, playing a detection sound file; the communication module is used for receiving sound data obtained after the equipment analyzes the detection sound file and sending the sound data and the detection sound file to the judgment server; the judgment server is used for comparing the sound data with the detection sound file so as to determine whether the working state of the equipment is normal or not. According to the method and the device, the playing module is arranged on the target truck, so that the detection process can be automatically triggered during normal running of the truck, limitation of shutdown time is avoided, the equipment can be detected at higher frequency, and hidden dangers existing in the equipment can be found in time.

The application relates to an adversarial sample generation method and device, electronic equipment and a storage medium, wherein the method comprises the following steps: generating a text set for a target result output by a misleading speech recognition model; generating a sound file set based on the text set, wherein the sound file set comprises multiple candidate audios; screening a reference audio of the target result from the multiple candidate audios; analyzing a decoding result of the speech recognition model on the reference audio to obtain a target pronunciation feature of the target result; constructing a target loss function based on the target pronunciation feature; determining a target perturbation amount based on an original audio and a loss value of the target loss function; and generating an adversarial sample based on the original audio and the target perturbation amount. According to the application, a Chinese speech recognition adversarial sample with high robustness, high transferability and good concealment can be generated.

The invention relates to a stability test method and system for Bluetooth audio playing of an Android vehicle-mounted system, and the method comprises the steps: S1, generating a single-frequency sound file through audio production software, and importing the single-frequency sound file into a smart phone; s2, programming to realize an audio feature recognition algorithm; s3, compiling a test script, defining information such as test times, and testing; s4, the vehicle-mounted system and the mobile phone set the volume used for calibrating the threshold value, the specific main control device module collects the sound played by the vehicle-mounted loudspeaker, the picture of the vehicle-mounted central control host and the picture of the intelligent mobile phone in real time, and whether the actually played audio frequency is consistent with the audio information displayed by the vehicle-mounted central control host collected by the picture or not is judged; and S5, recording a test result, executing the next test script, and repeating until the set test times. According to the invention, an audio feature recognition algorithm is adopted to calibrate a sound detection threshold value, and sound data generated by a large number of audio playing operations of the vehicle-mounted Bluetooth music system are automatically detected through the test script, so that the test stability is ensured.

Systems and methods for configuring a hearing aid device may include automatically: selecting a sound file from a sound database, processing the sound file with a first set of parameter settings to generate two distinct coarse stimuli, playing the two distinct coarse stimuli to a user, recording a preferred coarse setting by the user, processing the sound file with a second set of parameter settings to generate two distinct shape stimuli, playing the two distinct shape stimuli to the user, recording a preferred shape setting by the user, processing the sound file with a third set of parameter settings to generate two distinct fine resolution stimuli, playing the two distinct fine resolution stimuli to the user, recording a preferred fine resolution setting by the user, and determining hearing aid parameter settings for the user based on the fine resolution setting.

To provide a program capable of transmitting acquired sound information to a second computer device.SOLUTION: Provided is a program that causes a computer device to function as: acquisition means that acquires sound information during sleeping of a user; generation means that generates a plurality of sound files on the basis of the acquired sound information; and transmission means that transmits the generated sound file to a second computer device in association with information that can identify the order of acquiring the sound information. Each of the plurality of generated sound files includes pieces of sound information acquired at different times.SELECTED DRAWING: Figure 4

The application discloses a video color ring multi-dimension auditing and warehousing method and device, electronic equipment and medium, comprising: preprocessing a target video color ring to obtain media information, a background sound file, a plurality of target I frames and target hash values corresponding to the target I frames; performing picture score auditing on the target video color ring according to the media information, the target I frames and the target hash values; performing picture duplication checking auditing on the target video color ring according to the target hash values; performing multi-level risk control auditing on the target video color ring according to the background sound file; and when the target video color ring passes the picture score auditing, the picture duplication checking auditing and the multi-level risk control auditing, performing transcoding storage on the target video color ring according to the media information. The application improves the efficiency and reliability of video color ring auditing and warehousing, and can be widely applied to the technical field of video processing.

The invention discloses a key tone generating method, a key tone playing method and electronic equipment, the electronic equipment is provided with a keyboard, and the method comprises the following steps: acquiring a customized key tone parameter; allocating a memory space according to the key tone parameter; calling a sine wave generation function, generating sine wave data based on the key tone parameters, and storing the sine wave data in a memory space; and constructing a key sound file based on the sine wave data in the memory space. According to the method, the key tone parameters are self-defined, the memory space is pre-allocated according to the key tone parameters, the size of the finally generated audio data, namely the sine wave data, is predicted according to the key tone parameters, the problem of space waste caused by overlarge allocated memory space is avoided, meanwhile, the sine wave generation function is called, and the accuracy of the data is improved. According to the received key sound parameter, the sine wave data is generated through the sine wave to serve as the audio, and the condition that the same key sound is generated after the same case is pressed can be avoided by adjusting the key sound parameter.

This application provides an authentication method, apparatus, device, and storage medium based on zero-knowledge proof, relating to the field of information security technology. By acquiring a user's biometric information, including fingerprint images, facial videos, and audio files, feature processing is performed on the fingerprint images, facial videos, and audio files to obtain the user's combined biometric feature data. Based on the combined biometric feature data, a private key held by the user is generated. Based on the private key and zero-knowledge proof, a key proof for the user is generated, and biometric owner authentication is performed. This method improves the security of user biometric information during authentication, avoiding the security risk of misuse after private key leakage.

The invention discloses a video polyphonic ringtone multi-dimensional auditing and warehousing method and device, electronic equipment and a medium, and the method comprises the steps: carrying out the preprocessing of a target video polyphonic ringtone, and obtaining media information, a background sound file, a plurality of target I frames, and a target hash value corresponding to each target I frame; according to the media information, the target I frame and the target hash value, carrying out picture score auditing on the target video polyphonic ringtone; according to the target hash value, performing picture duplicate checking auditing on the target video polyphonic ringtone; performing multi-level risk control auditing on the target video polyphonic ringtone according to the background audio file; and transcoding and storing the target video polyphonic ringtone according to the media information when the target video polyphonic ringtone passes picture scoring auditing, picture duplicate checking auditing and multi-level risk control auditing. The method improves the efficiency and reliability of audit and storage of the video polyphonic ringtone, and can be widely applied to the technical field of video processing.

A method for training a voice recognition model includes determining the relationship between an event sound and a first parameter, and in response to the relationship, determining a second parameter. Using the first parameter and the second parameter, sampling the event sound to generate a plurality of training sound files, and inputting at least a part of the plurality of training sound files to train the voice recognition model, wherein the length of each training sound file is associated with the first parameter, the time difference between every two training sound files is associated with the second parameter, and the voice recognition model is used to determine the type of sound.

1. The name of the design product: bathroom Bluetooth speaker. 2. The use of the design product: for playing music or sound files, can be connected through Bluetooth wireless mobile phone, tablet computer sound played out, the product has waterproof ability, can be used in the bathroom and outdoor rain. 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 embodiment of the invention discloses recording equipment and a recording data processing method. Wherein the sound recording equipment comprises a sound acquisition device, a positioning device and a memory, and is used for acquiring sound recording data through the sound acquisition device, determining position information of the sound recording equipment through the positioning device, integrating the sound recording data and the position information into a sound recording file based on time correspondence and storing the sound recording file into the memory. Therefore, according to the embodiment of the invention, the position of the sound can be directly obtained when the sound is received in the recording site, so that the field environment of the recording site can be restored when the sound file is played without importing the position in the later production process, and the production efficiency of the audio file is improved.

Systems and methods for configuring a hearing aid device may include automatically: selecting a sound file from a sound database, processing the sound file with a first set of parameter settings to generate two distinct coarse stimuli, playing the two distinct coarse stimuli to a user, recording a preferred coarse setting by the user, processing the sound file with a second set of parameter settings to generate two distinct shape stimuli, playing the two distinct shape stimuli to the user, recording a preferred shape setting by the user, processing the sound file with a third set of parameter settings to generate two distinct fine resolution stimuli, playing the two distinct fine resolution stimuli to the user, recording a preferred fine resolution setting by the user, and determining hearing aid parameter settings for the user based on the fine resolution setting.

The application discloses a video ringback tone different-viewing-angle recommendation method, comprising the following steps: S1, after a calling number dials a called number, call information is triggered to a core network; S2, the core network forwards the call information to a corresponding ringback tone calling node; S3, the ringback tone calling node queries a video ringback tone ID to be played according to the call information; S4, the ringback tone calling node forwards the call information and the corresponding ringback tone ID to a BM; S5, the BM acquires user attributes and historical viewing records, calculates a calling viewing-angle preference, compares each video viewing angle corresponding to the ID, and calculates a sound file information played to the user; S6, the BM returns the sound file information of the preferred viewing angle to the ringback tone calling node; S7, the ringback tone calling node selects the sound file to play; and S8, the ringback tone calling node returns a media stream to the core network and plays the preferred video to the calling user. The application can generate the video ringback tone content to be played according to the calling user attributes and the video viewing records, and intelligently plays and views the recommended viewing angle.

Disclosed in the present invention are a method and system for smart recognition of an environmental noise class, and a storage medium. The method comprises: classifying environmental noise into a plurality of environmental noise classes; acquiring sound files for respective environmental noise classes, and manually applying noise class labels; preprocessing the sound files on which the noise class labels have been applied, to obtain a plurality of preprocessed sound segments; performing feature extraction on the preprocessed sound segments, to obtain sound segment features; constructing a noise class recognition model on the basis of the environmental noise classes and the sound segment features; and inputting the sound segment features into the noise class recognition model for model training, and using the trained noise class recognition model to recognize a noise type of a sound segment to be recognized and a confidence corresponding to the noise type. The present invention perfects existing environmental noise monitoring indexes and can provide a basis for noise management.

An adaptive voice extraction and TTS adaptation system based on audiogram includes a sound collection and content extraction module, an audiogram adaptive TTS synthesis module, a wireless transmission and secondary gain module, and an audiogram test tool; the sound collection and content extraction module is used for collecting sound signals in different scenes, and identifying the corresponding speaker identity for each piece of text information; the audiogram test tool tests the hearing of the listener, outputs the audiogram parameters of the listener, the audiogram adaptive TTS synthesis module receives the text information, the corresponding speaker identity and the audiogram parameters, and generates a personalized TTS sound file; the wireless transmission and secondary gain module is in communication connection with the audiogram adaptive TTS synthesis module, and after receiving the TTS sound file, the secondary spectral gain adjustment is carried out according to the audiogram parameters. The present application can effectively shield environmental noise and realize individualized adaptation of audiogram.

The present application discloses an animation synthesis method, apparatus, mobile terminal, and electronic device, which relate to the field of computer technologies, specifically to artificial intelligence technologies such as speech technology and deep learning. The specific implementation solution is as follows: obtain a sound file; obtain the speech recognition features in the sound file; process the speech recognition features by a model according to lip movement parameters to obtain speech lip movement parameters; and generate a lip movement animation according to the speech lip movement parameters and a face model. In the animation synthesis method of the embodiments of the present application, by using the speech recognition features as the input features for extracting the speech lip movement parameters, the phoneme duration is not required, and it is independent of the timbre, which can not only improve the synthesis efficiency but also reduce the synthesis error.

Provide a system. 【Solution means】 Voice sensor means for detecting the voice of a specific person, Recording means for recording the detected voice, Timestamp adding means for adding a timestamp to the voice file, Person recognition means for recognizing an object held by a person, Imaging means for imaging the recognized object, Timestamp adding means for adding a timestamp to the image file, Editing means for editing the recorded voice file and the imaged image file, Saving means for saving the edited file, Transmission means for sharing the saved file via a communication network, A system including.

Systems and methods for configuring a hearing aid device may include automatically: selecting a sound file from a sound database, processing the sound file with a first set of parameter settings to generate two distinct coarse stimuli, playing the two distinct coarse stimuli to a user, recording a preferred coarse setting by the user, processing the sound file with a second set of parameter settings to generate two distinct shape stimuli, playing the two distinct shape stimuli to the user, recording a preferred shape setting by the user, processing the sound file with a third set of parameter settings to generate two distinct fine resolution stimuli, playing the two distinct fine resolution stimuli to the user, recording a preferred fine resolution setting by the user, and determining hearing aid parameter settings for the user based on the fine resolution setting.

The invention provides a product quality evaluation and fault detection method based on acoustic characteristics, and the method comprises the following steps: S1, fixing a device on the surface of a detected device, and connecting the device with a local server in a wireless manner; s2, automatically collecting a sound file generated when the equipment runs, and sending the sound file to a local server for analysis; s3, carrying out time domain analysis, identifying a circulation point by using an amplitude envelope line, and carrying out classification processing on the signals; s4, scoring the preprocessed cyclic sound one by one according to a psychoacoustic evaluation system, and outputting a total score of equipment audio; s5, comparing single cycles, and identifying impact features by using the spectrogram after Fourier transform; and S6, comparing a result with a local template, and automatically generating a detection report. According to the method, sound evaluation datamation is realized, the test efficiency is improved, and abnormal sound can be monitored to early warn potential problems in advance. The device adopts wireless communication, supports simultaneous acquisition and comparison of multiple devices, reduces the arrangement difficulty of the sensors, and is not influenced by movement of the devices.

A sound data acquisition unit 110 acquires recorded data in which environmental sound is recorded. A sound source separation unit 112 separates the recorded data into environmental sound data and sound effect data. A sound file generation unit 114 specifies position information corresponding to the separated sound effect, and generates a sound effect file including the sound effect data and the position information.

The present application provides an audio testing method and device; the method includes: extracting the sound effect event lists in two versions of an application respectively; performing the following processing for each version of the application: loading the application, triggering the application to play the sound effect elements corresponding to each sound effect event according to each sound effect event included in the sound effect event list in the application, and recording and obtaining the sound effect file corresponding to each sound effect event; performing comparison processing on two sound effect files corresponding to the same sound effect event to obtain the difference between the sound effect elements of the same sound effect event, wherein the two sound effect files correspond one-to-one to the two versions of the application. Through the present application, the sound effect differences between two different versions of an application can be efficiently and accurately compared.