141 results about "Auditory effects" patented technology

A system and a method for audio adjustment are provided. The method includes following steps. A first output audio signal generated from the under-test audio playback device according to a frequency response test signal is received. The first output audio signal is analyzed to generate a set of suggested equalization parameter. A set of equalization parameters are adjusted according to the suggested equalization parameters, and a sound test signal is generated from an original sound signal according to the equalization parameters and output to the under-test audio playback device. A second output audio signal is generated from the under-test audio playback device in response to the sound test signal. Whether the auditory effect of the second output audio signal is close to the original sound signal or matches the user's need is determined. The equalization parameters are adjusted when the auditory effect of the second output audio signal is not close to the original sound signal or the user is not satisfied with the auditory effect.

The invention provides a method and system for self-adaptive adjustment of an audio effect, and relates to the technical field of audio effect adjustment. The method comprises the steps that the source of an input audio is judged according to an audio application which is being executed on a user terminal; a corresponding audio effect mode is matched from a preset list of the corresponding relation between audio effect modes and audio sources according to the source of the input audio; the input audio is played in the matched audio effect mode. According to the method and system for self-adaptive adjustment of the audio effect, self-adaptive adjustment of the audio effect mode can be achieved according to the source of the input audio, manual operation of a user is not required, and the auditory effect and the experience of the user can be improved.

The invention provides a melody generation method and a melody generation device based on a neural network. The method comprises the steps of: acquiring an initial note sequence, preset duration and initial features of the preset duration, wherein duration of a note having the shortest duration in the initial note sequence is less than the preset duration; calculating duration features of each preset duration according to the preset duration, the initial features and a duration neural network model; and calculating the notes according to the calculated duration features of each preset duration, the initial note sequence and a note neural network model, and acquiring a melody according o the calculated notes. Through extracting the features of the melody on different time scales, the structural features of the melody in different duration are considered, melody fragments with good long-range structures are generated through utilizing collaboration of various trained neural network models when generating the melody, the authenticity of the generated melody is improved, and the auditory effect can be ensured.

The invention discloses a complex field speech enhancement method and system based on a generative adversarial network and a medium. The complex field speech enhancement method comprises the implementation steps that a noisy speech is acquired; the speech is expressed with Cartesian coordinates after being subjected to Fourier transformation to obtain a noisy real number spectrum and imaginary number spectrum; the noisy real number spectrum and imaginary number spectrum are input into a generator, which completes training in advance, of the generative adversarial network, and a denoised real number spectrum and imaginary number spectrum of a pure speech are obtained; and the real number spectrum and imaginary number spectrum of the pure speech are made into a clean speech based on inverseFourier transformation. Through the method, noise can be better removed from a speech signal to generate the clean speech, the problem that it is difficult to predict a phase is effectively solved, the auditory effect of the enhanced speech can be effectively improved, and the speech recognition accuracy rate of a speech recognition system in a noise environment can be effectively increased.

The present invention relates to an English learning system, and more specifically, to an English syllable pronunciation and spelling learning system for the learning of words (including phrases and sentences), in which a learner sequentially recognizes syllables and spellings at a level of detail which is not the word so that the efficiency of memorization of the pronunciations and spellings of words can be improved, by outputting English words onto a screen under control in such a way that the spellings of the words, or the spellings of the syllables separated from the words, are displayed with a space or visual effect (coloring and writing with spaces) or else a time effect (sequentially outputting to screen) and an auditory effect.

The invention discloses a song audio generation method and device, and a computer readable storage medium, and belongs to the technical field of computers. The song audio generation method comprises the steps that accompaniment audios of a song are obtained; human voice data of people singing the song are collected; a play sound-effect mode of the song is determined, and the play sound-effect modeis used for enhancing the auditory effect; according to the play sound-effect mode, the accompaniment audios and the human voice data are subjected to sound-effect processing, and thus the song audios with the play sound-effect are obtained. According to the song audio generation method and device, and the computer readable storage medium, the play sound-effect can be matched with the recorded sung audios during song-singing recording, and thus the auditory effect of the recorded sung audios is enhanced, so that the play effect of the finally-obtained song audios is optimal.

A video call method and system may use a two-way transmission of a visual effect or an auditory effect. A server may manage and store content that includes visual information or auditory information as an effect to apply to a video call in association with an effect identifier. A server may receive, during the video call, an effect identifier and may transmit the visual information or audio information associated with the effect identifier to a reception-side electronic device together with a data packet for the video call.

The embodiment of the invention discloses a signal denoising method, a signal denoising device and an audio decoding system, which belong to the technical field of audio coding and decoding. The method provided by the embodiment of the invention comprises: selecting at least two spectral coefficients which have high relevance to a spectral coefficient to be adjusted according to the inter-frame relevance of the frame of the spectral coefficient to be adjusted; performing weighting by using the selected at least two spectral coefficients and the spectral coefficient to be adjusted and acquiring a predicted value of the spectral coefficient to be adjusted; and performing the spectral adjustment of a decoded signal by using the acquired predicted value and outputting an adjusted decoded signal. The embodiment of the invention also discloses a signal denoising device and an audio decoding system. Through the embodiment of the invention, the noises generated in frequency synthesis after decoding are reduced, and the auditory effect is improved.

A method for embedding a self adaptive MP3 digital watermark belongs to the digital watermark technology in the audio processing field, and is characterized in that: the method comprises the following steps in turn: an MP3 audio file is decoded to obtain a granularity group; theoretic and ear masking effects are judged according to ear auditory threshold inside the granularity group; a nonzero subband suitable for embedding watermark information is selected from the granularity group, but three subbands of a low frequency part of a frequency spectrum are excluded; the watermark information is embedded in the selected nonzero subband; recoding of the granularity group after embedding the watermark information is carried out to obtain the MP3 audio file with embedded watermark information. The method has the advantages of strong secretiveness and no influence on the auditory effect of the MP3 audio file.

Embodiments of the invention disclose a sound effect processing method and a terminal device. The sound effect processing method can comprise the steps of detecting the frequency of an audio file played by the terminal device; judging whether a frequency band in a preset frequency range exists in the frequency of the audio file or not; and when the frequency band in the preset frequency range exists in the frequency of the audio file, adjusting sound effect parameters, used for playing the audio file, of the terminal device according to a first preset sound effect adjustment mode, wherein the first preset sound effect adjustment mode at least comprises reduction of playing volume and / or gain of the audio file. According to the embodiments of the method and the terminal device, the gain and / or volume of the frequency band, in the preset frequency range, in the audio file can be reduced when the frequency of the currently played audio file is in the preset frequency range, namely, human ears are insensitive to a currently played audio, so that the power consumption of the terminal device can be reduced on the premise of not influencing an auditory effect.

A video call method and system may use a two-way transmission of a visual effect or an auditory effect. A server may manage and store content that includes visual information or auditory information as an effect to apply to a video call in association with an effect identifier. A server may receive, during the video call, an effect identifier and may transmit the visual information or audio information associated with the effect identifier to a reception-side electronic device together with a data packet for the video call.

An embodiment of the invention discloses a method and an apparatus for adjusting a play mode of music, characterized in that: play information of music returned from user auricles is obtained in the case that a mobile terminal plays original audio information of the music; difference information between the original audio information of the music and the play information of the music is obtained; and a play mode of the music is adjusted according to a preset algorithm and the difference information, in this way, optimization can be automatically performed according to an auricle audio actual effect, so as to achieve the purpose of optimal audio effect by performing adaption between different audio equipment and different earphones rather than being subject to sound effect achieved by each hardware parameter, thereby enabling a common consumer to enjoy an ultimate auditory effect.

The invention discloses a gain adjustment method, which comprises the following steps of: obtaining an average power value of an audio file based on a time domain signal and a preset power value undereach level of volume; obtaining the average power value of the audio file based on the time domain signal; and obtaining the preset power value under each level of volume, calculating an expected gain value according to the average power value and the preset power value; calculating a preset power value according to the average power value, the expected gain value and a preset reference power value; Gain adjustment of the audio file is performed according to the preset power value. The invention also discloses an audio device and a computer-readable storage medium. The invention can avoid thedamage of the auditory system caused by the sudden increase of the loudness or the manual adjustment of the volume of the audio file by the user, thereby improving the auditory effect of the user.

The invention discloses a method for perceptual weighted filtering, which comprises: A. to make a spectrum slant filtering processing to the inputted speech or audio signal. B. to make a traditional perceptual weighted filtering on the output speech or audio signal processed by the spectrum slant filtering. C. to output the speech or audio signal processed by the traditional perceptual weighted filtering and takes the partial coefficient of the coefficient in transfer function used in the perceptual weighted filtering as the coefficient in transfer function used in the said perceptual weighted filtering. Besides, the invention also discloses a perceptual weighted filter designed according to the said method for perceptual weighted filtering. The invention is to achieve the purpose of simulating the formant structure of the inputted speech or audio signal spectrum of the broadband to improve the coding efficiency and enhance the subjective auditory effect by taking full advantages of the human auditory masking effect.

The invention provides a bone conduction glasses frame comprising a glasses frame body and two glasses legs. A microphone is arranged on the glasses frame body, bone conduction loudspeakers are arranged on the glasses legs respectively, and the glasses legs are provided with control parts used for independently controlling the bone conduction loudspeakers respectively. Firstly, the loudspeakers synchronously working on the two sides of the glasses legs independently operate the loudspeakers on the two sides through the independent control parts respectively, a user can carry out independent hearing compensation according to the two ears, and the performance of glasses is improved; secondly, the microphone is subjected to shock absorption and anti-noise treatment, so that microphone howlingis reduced or avoided, and the outside sound collection performance of the microphone is improved; furthermore, the positions of the loudspeakers are adjusted through an adjusting device according tothe size of the face of the user, so that the loudspeakers are always at the most ideal positions, and a good auditory effect is achieved.

The invention discloses an audio output method, relates to the technical field of audio data processing and is used for solving the harmonic distortion problem of existing terminal audio output. The method comprises the steps of picking up audio signals of a loudspeaker; extracting the audio signals corresponding to each preset harmonic distortion band in the audio signals; carrying out inverted amplification operation on the audio signals corresponding to each preset harmonic distortion band to obtain harmonic distortion filtered audio signals; and adding the harmonic distortion filtered audio signals to corresponding original audio signals to form output audio signals. According to the method, a terminal system is taken as a whole to filter the harmonic distortion, so the harmonic distortion problem due to an integrated physical structure of a terminal in the prior art is reduced, and an auditory effect of a user for the audio signals is improved. The invention discloses an audio output device, a harmonic distortion filtering device, the terminal and a computer readable memory medium which have the beneficial effects.

The invention discloses a weather display method and device, computer equipment and a computer readable storage medium, and belongs to the technical field of networks. The method comprises the following steps of acquiring position information in the target log data and the release time of the target log data; and based on the position information and the release time, determining a weather type indicated by the target log data, obtaining a video material corresponding to the weather type, wherein the video material is used for describing a visual effect and an auditory effect of the weather type; and playing the video material in the display area of the target log data, so that in the weather display mode, the weather information can be presented from two dimensions of images and sounds, the presentation effect of the weather information is improved, a user feels more immersive when browsing the weather data, and the audio-visual experience of the user is improved.

The embodiment of the invention discloses an audio frequency adjusting system and an audio frequency adjusting method. The audio frequency adjusting method comprises the following steps of: outputting a frequency response test signal to a to-be-tested voice broadcasting device; receiving a first output audio frequency which is generated by the to-be-tested voice broadcasting device according to the frequency response test signal; performing response analysis on the first output audio frequency to generate a group of equalizer parameter suggested values; adjusting a group of equalizer parameters according to the equalizer parameter suggested values so that an original sound signal generates a sound test signal according to the equalizer parameters; instantaneously generating a second output audio frequency through the to-be-tested voice broadcasting device according to the sound test signal; judging whether the auditory effect of the second output audio is close to the original sound signal or meets the demand of user; and adjusting the equalizer parameters if the auditory effect is not close to the sound test signal or does not meet the demand of user. The audio frequency adjusting system and method disclosed by the embodiment of the invention can adjust audio frequency fast to achieve the purpose of conforming to the auditory effect.

The invention provides a preparation method of clove flavor cigar with an auditory effect. The preparation method concretely comprises the following steps of picking clove according to requirements; performing cleaning and dust removal on the picked dry clove buds; performing drying through drying equipment; taking out the buds for use after the water content is lower than 5 percent; putting 5 to6 processed clove buds into the center position of a single cigar core leaf; sequentially distributing the clove buds into a line to prepare a cigar core; then, taking one leaf roll for winding the cigar core; performing fixing and shaping; then, putting the materials into a wood cigar mold for 30 to 45 minutes; finally, taking one piece of a binder leaf for well covering a cigarette bundle; usingplant glue for bonding and winding the cigar; next, putting the cigar into a refrigerator; putting the refrigerator into a constant-temperature constant-humidity balance room; controlling the temperature to be 18 to 20 DEG C and the humidity to be 65 to 75 percent; performing placement for 25 to 35 days. The prepared cigar has the slight clove flavor; during the smoking, the uniform slight clacking sound is generated at a frequency of once per 2 to 3 seconds; the sound volume is proper; the auditory effect is added for the cigar smoking.

The invention discloses a method and system for automobile actively controlling sound enhancement. The method comprises the following steps that 1, an active generation controller receives the enginerotation speed in the CAN network communication of an automobile, an active noise reduction control system is started, and control initialization is finished; 2, an entertainment host provides a listof pre-stored engine sound files, and a passenger can freely select the engine sound files; 3, the active generation controller receives a selection item of the passenger, reads the engine speed froma CAN bus, calculates the sound gain and play interval corresponding to the engine speed in real time, and matches the sound file with the automobile acceleration; and 4, the active generation controller multiplies the sound data to be played by the gain and outputs to a DA and removes the output sound of automobile loudspeakers so as to provide a sound experience for the passenger. The method provides passengers with the multiple engine sounds freely selected, realizes the conversion of different engine enhanced sounds in the automobile through an active sound control system, and greatly improves the engine auditory effect felt by the passenger.

The invention provides a voice playing method and device, computer equipment and a computer readable storage medium, and belongs to the technical field of voice processing. The method comprises the steps of receiving an audio resource acquisition request of a target book, acquiring audio resources of the target book based on different tone models corresponding to roles of the target book and textcontents corresponding to different roles in the target book, and performing voice playing based on the acquired audio resources. For the text contents corresponding to different roles in the target book, different timbre models corresponding to roles are used when audio resources are obtained; therefore, different sounds can be used for playing the text contents corresponding to different roles during voice playing, so that the text contents of different roles can be displayed to the user with different auditory effects, a user can conveniently distinguish the roles in the target book, and the user experience is improved.

The invention is applicable to the technical field of earphones, and provides an earphone wearing state detection method and an earphone. The earphone comprises an audio output device and an audio input device. The earphone wearing state detection method comprises the following steps: when a user wears the earphone, controlling the audio output device to output a first audio signal with a fixed frequency; controlling the audio input device to receive a second audio signal; obtaining a first sound pressure level corresponding to the first audio signal and a second sound pressure level corresponding to the second audio signal according to the first audio signal and the second audio signal; comparing whether the second sound pressure level is matched with a reference sound pressure level corresponding to the first sound pressure level or not; and if the second sound pressure level is not matched with the reference sound pressure level corresponding to the first sound pressure level, sending a prompt signal to prompt the user that the earphone is not worn in place. According to the embodiment of the invention, a user can be timely reminded to adjust the wearing position of the earphone, and the auditory effect and auditory experience are improved.

The invention relates to a multi-sensor group integration type motion detection method and a head tracking-enabled virtual surround sound generation method. According to the technical scheme of the motion detection method, multiple sensor groups are adopted to acquire the motion-related information, and then the final detection data can be obtained based on the detection data of the sensor groups. According to the technical scheme of the virtual surround sound generation method, virtual reality equipment is mainly composed of a headset and a head-worn type display. The head-worn type display is provided with a first sensor group. The headset is provided with a second sensor group. The motion angle of a user head is detected according to the above motion detection method. After that, the audio effect is rotated based on the motion angle of the user head, and then a virtual surround sound capable of tracking the motion of the head is generated and played through the handset. Based on the above detection method, the motion detection result is more accurate and more reliable. Meanwhile, the motion of the user head is tracked based on the above virtual surround sound generation method, so that the auditory effect is higher in quality.

The water rocket launch system is an automated system for launching multiple water rockets simultaneously with additional visual and auditory effects. The water rocket launch system includes a platform, with at least one launching base slidably mounted on an upper surface thereof. The at least one launching base is selectively and controllably driven to slide on the platform. At least one water rocket storage chamber is mounted on the platform, with the at least one water rocket storage chamber having an open interior region for receiving and storing a plurality of water rockets, and further having an open bottom end. A plurality of launching assemblies are mounted on the at least one launching base, so that the plurality of water rockets stored within the at least one water rocket storage chamber may be released thereon, with each launching assembly engaging and releasably supporting a respective one of the water rockets.

The invention relates to a black box voice confrontation sample generation method with auditory concealment, and relates to the technical field of artificial intelligence safety. According to the main technical scheme, the method comprises the steps of initializing simulated annealing parameters; reading in an original audio, and initializing an audio confrontation sample; calculating black box noise according to an input audio, and performing concealment processing, namely a time-varying noise strategy based on signal variance and concealment improvement based on an auditory effect of human ears; synthesizing a new confrontationsample by using the black box noise; and inputting a black box voice recognition model, judging whether the attack is successful or not, if the attack is successful, stopping iteration, outputting an audio confrontation sample, and if the attack is not successful, generating a new solution as an input audio according to a Markov criterion to continue iteration until the iteration is completed or the attack is successful. According to the invention, the audio confrontation sample generated by the method has high similarity with the original audio, is more in line with the auditory effect of human ears, has high concealment, and can be successfully attacked without being perceived.

The invention discloses an audio signal processing method and device, relates to the field of signal processing, and solves the problem of how to adjust an output signal according to the change of head rotation of a listener or / and the change of position movement of the listener and improve the auditory effect of the listener. According to the specific scheme, the method comprises: obtaining a current position relationship between a sound source and a listener at a current moment; determining a current audio rendering function according to the current position relationship; if the current position relationship is different from the stored previous position relationship, adjusting the initial gain of the current audio rendering function according to the current position relationship and theprevious position relationship to obtain the adjusted gain of the current audio rendering function; determining an adjusted audio rendering function according to the current audio rendering functionand the adjusted gain; and determining a current output signal according to the current input signal and the adjusted audio rendering function. The embodiment of the invention is used for an audio signal processing process.