40results about How to "Improve hearing experience" patented technology

The invention discloses a method and system for automatically adjusting multimedia volume according to different scene modes. The method comprises the following steps: presetting suitable sound volume ranges corresponding to different scene modes on electronic equipment; periodically detecting noise environment around the electronic equipment, judging the belonged scene mode according to the detected around noise environment; automatically adjusting the current playing volume of the electronic equipment to the suitable sound volume range corresponding to the currently belonged scene mode according to the judged scene mode. By adopting the method and system disclosed by the invention, the electronic equipment is provided with a new function of automatically adjusting proper volume according to around noise environment, the volume of sound files such as music, video and the like in a playlist can be automatically modified according to different scene modes and use demands; the auditory feeling of the user is improved, the convenience is provided for the user, and the security is improved.

An adjusting device comprises a bottom plate, at least two signal transmitting units, a magnetic element, a Hall element, a base, a limit element, a first cover, a second cover, a knob, a button, a rocker, a first return unit and a second return unit, wherein the first return unit is used for axially returning the rocker, and the second return unit is used for obliquely returning the rocker. As the adjusting device is provided with the rocker and a ball, button functions in a vertical direction and in other directions can be realized, namely the adjusting device is capable of realizing omnidirectional button functions. Besides, the adjusting device is provided with the magnetic element and the Hall element which are opposite, the magnetic element is driven to move by the rocker, the Hall element is capable of sensing different signals, and the operation of the whole adjusting device can be judged by the aid of the signals. By means of coordination of a baffle plate of the first cover and the signal transmitting units, turning directions of the knob can be judged, so that omnidirectional output can be realized.

The invention discloses a headphone gain adjustment method and device as well as electronic equipment. The method comprises the following steps: acquiring an acoustical signal collected from an ear canal, wherein the acoustic signal is a mixed signal of an audio signal and a noise signal; analyzing the acoustic signal to calculate a gain adjustment value; and adjusting output gain under control onthe basis of an original output gain according to the gain adjustment value. The acoustic signal in the ear canal is collected by a microphone in a headphone, and the components of the acoustic signal are analyzed to calculate the gain adjustment value in order to adjust the gain setting at an audio output end of an earplug, so that the adaptability of the headphone playing volume under differentnoise environments is ensured, and the auditory feel of a user is improved.

The invention discloses a circuit structure for inhibiting on-off POP sound of an audio power amplifier. The circuit structure comprises an amplifier, a bias circuit, a delay control circuit, a resistor Rin, a resistor Rf and a switch K1, wherein a basic power amplification unit is formed by the amplifier, the resistor Rin and the resistor Rf; the bias circuit supplies voltage reference and current reference to the amplifier; when an audio system is turned on or off, the delay control unit turns on or off the amplifier, the bias circuit and the switch according to different time sequences and time delays, so as to achieve the aim of inhibiting the POP sound produced when the system is turned on or off. By adopting the circuit structure, the POP sound produced when the audio system is turned on or off can be obviously inhibited, the impact to a horn is reduced and the auditory feeling of listeners can be improved.

The embodiment of the invention discloses a volume control method, an electronic device and a computer readable storage medium. The method comprises the following steps of when it is detected that theconnection between the electronic device and an earphone is established, setting the reasonable output power ranges for different earphone performances; meanwhile, establishing a first mapping tableaccording to the hearing feelings of the user on the sounds of different frequency bands, wherein the optimal volume control parameters of different single-frequency signals are pre-stored in the first mapping table; when the audio file output is controlled, determining the target volume control parameters corresponding to different single-frequency signals in the audio file from the first mappingtable, and controlling the audio file output according to the determined target volume control parameters, namely matching the optimal volume output for each frequency band signal, thereby improvingthe hearing feeling of the user, ensuring that the output power of the earphone does not exceed the maximum output power, and avoiding damaging the hearing of the human ears.

The invention relates to an audio signal adjusting method and device, a terminal and a storage medium, and is applied to a mobile terminal. The method comprises the steps: determining a standard frequency response parameter of an audio module; according to a target environment, adjusting an environment frequency response parameter of the audio module in the target environment; comparing the standard frequency response parameter with the environment frequency response parameter to obtain a comparison result; according to the comparison result, adjusting the standard frequency response parameter of the audio module to obtain an output frequency response parameter; and outputting an audio signal by using the output frequency response parameter. According to the invention, based on the comparison result of the standard frequency response parameter and the environment frequency response parameter, the standard frequency response parameter is adjusted to obtain the output frequency response parameter, and the audio signal is output by using the output frequency response parameter, so that the influence of the environment on the frequency response of the audio module can be corrected, and the audio playing effect of the audio module is improved.

The invention discloses a method for controlling echoes of a hand-free telephone, which essentially includes the steps that: a far-end speech signal on a receiving channel and a near-end speech signal on a sending channel are sampled; according to the energy of the samples of the far-end speech signal and the near-end speech signal, the information of communication state of a current network is confirmed; according to the information of the communication state of the current network, the speech signal on the sending channel is processed by a corresponding echo-control.

The embodiment of the invention relates to the field of communication technology, and discloses a voice processing method and device, and an electronic device. The voice processing method comprises the steps of: obtaining voice to be processed; receiving a voice correction instruction for the voice to be processed; according to the voice correction instruction, obtaining a preset voice parameter value; if the preset voice parameter value is not matched with voice parameters of the voice to be processed, correcting the voice parameters of the voice to be processed according to the preset voiceparameter value, and obtaining the processed voice; and sending the processed voice to an electronic device at a communication side. According to the mode, the voice processing method and device, andthe electronic device modify the user's voice and generate beautiful voice to effectively satisfy user's demands for voice beauty and greatly improve voice playing auditory feeling.

The embodiment of the invention provides an electric vehicle sound control device and method, belonging to the technical field of electric vehicles. The sound control device of the electric vehicle comprises a working parameter acquisition unit, which is used for acquiring a first vehicle working parameter about the electric vehicle; a sound wave sound determining unit for determining a first order sound wave sound corresponding to a first vehicle operating parameter based on a first vehicle operating parameter in conjunction with a sound wave sound library, wherein a plurality of sets of order sound mapping relationships between a plurality of vehicle operating parameters and a plurality of order sound wave sounds of a reference engine are stored in the sound wave sound library; a sound control unit for generating a target masking sound based on a first order sound wave sound and outputting the target masking sound to the vehicle to mask motor whistling noise in the vehicle, and / or generating a target warning sound based on the first order sound wave sound and outputting the target warning sound to the vehicle. The sound wave sound of a certain order can be called to improve the roaring sound of the motor inside the car, and the sound warning outside the car can also be realized.

The invention provides a device, a method and a system for controlling an echo to a hand-free phone. The device substantially comprises an echo canceller. The method substantially comprises the following steps: a remote voice signal of a receiving channel and a proximal voice signal of the transmitting channel are sampled, and according to energy of the obtained remote voice signal samples and the obtained proximal voice signal samples, communication state information of the current network is determined. According to the communication state information of the current network, the voice signal in the transmitting channel is processed with the echo controlling. By using the invention, the echo in the digital hand-free phone is eliminated effectively.

The invention relates to the technical field of audio signal processing, and discloses an audio signal noise reduction method, an audio signal processing device and electronic equipment. The method comprises the following steps: if a current noise reduction coefficient needs to be updated into a new noise reduction coefficient, the digital signal processor calculates the new noise reduction coefficient and writes the new noise reduction coefficient into an idle storage module in at least two storage modules, and sends an updating request for updating the noise reduction coefficient to an active noise reduction module, the position information carried by the update request is used for indicating the position where the new noise reduction coefficient is written into the storage module; and the active noise reduction module reads a new noise reduction coefficient based on the position information carried by the update request, and performs noise reduction processing according to the new noise reduction coefficient after the current noise reduction processing period is ended. According to the scheme, coefficient updating is carried out under the condition that active noise reduction is not closed, the integrity of coefficient updating is improved, noise caused by uneven coefficient updating is avoided, the better active noise reduction effect is achieved, and the auditory feeling of a user is improved.

The invention belongs to the audio data processing field, which in particular relates to a method and a system for dynamic regulation of the playing volume according to wavelength. Currently, when people plays various audio files by an audio device, the mode of a fixed volume is adopted to play, which can not better show the fluctuant sound effects of a song or a music that is played; the system and the method of the invention correspond the wave length of audio data with the volume, calculate the volume value according to the wavelength which is dynamically detected and then adjust the playing volume of the audio device to realize playing the same audio data with various volume, namely playing a stress with a large volume and playing a light sound with a smaller volume, thus leading the stress and the light sound of the audio data to be played dynamically by the heavy sound and the lower sound of the audio device, so as to realize the effect of fluctuant sound, thus improving the entertainment experience and hearing feeling of a user.

The invention discloses a Y-axis audio regeneration method and a Y-axis audio regeneration system. A sound box group comprises nine loudspeakers, at least two loudspeakers are located in the X-axis direction of the two-dimensional plane of the to-be-measured target, and at least one loudspeaker is located in the Y-axis direction of the two-dimensional plane of the to-be-measured target; the central processing module acquires the dual-track position coordinate source value and the volume value, disassembles the dual-track position coordinate source value into a position coordinate target valueset according to a preset conversion function relationship, and finally outputs the position coordinate target value set through corresponding loudspeakers; because the loudspeakers are arranged in the X-axis direction and the Y-axis direction, and the position coordinate target value set comprises nine position coordinate target values, the sound played by the audio image synchronization system is more stereoscopic, and the auditory feeling of the user is greatly enhanced.

The invention discloses a virtual reality self-service game device. The device comprises a device mainframe box. The lower end of the device mainframe box is fixedly connected with an antiskid plate device. The lower end of the antiskid plate device is fixedly connected with a damping device. A partition frame is arranged at the upper end of the antiskid plate device, an anti-collision device is arranged on one side of the partition frame, a sound box cabinet is arranged at the front end of the equipment mainframe box, a bass sound box and a coin box are arranged at the upper end of the soundbox cabinet, the bass sound box is located on one side of the coin box, and a full-screen sound box is arranged at the upper end of the coin box. According to the virtual reality self-service game device, the antiskid plate device, the anti-collision device and the damping device are arranged, so that the friction force between the device and the feet of a player can be effectively enhanced, the two sides of the player can be effectively protected, the vibration force generated when the player jumps on the device can be remarkably reduced, and a better use prospect is brought.

The invention discloses a bed table for a tablet personal computer. The bed table for the tablet personal computer comprises a hanging table top, a hanging installation groove, two table legs and two loudspeaker boxes. The hanging installation groove is installed in the bottom of the hanging table top through a first rotating base and used for hanging the tablet personal computer. The table legs are rectangular. One ends of the two table legs are installed on the two sides of the hanging table top through second rotating bases so that the hanging table top can rotate. The other end of each table top is provided with a loudspeaker box installation groove. The two loudspeaker boxes are embedded in loudspeaker box installation grooves. A sound reproduction port of each loudspeaker box extends to the outside. The bet table can fix the tablet personal computer, a user does not need to hold the tablet personal computer with a hand, and the direction of the tablet personal computer can be adjusted.

An adjusting device comprises a bottom plate, at least two signal transmitting units, a magnetic element, a Hall element, a base, a limit element, a first cover, a second cover, a knob, a button, a rocker, a first return unit and a second return unit, wherein the first return unit is used for axially returning the rocker, and the second return unit is used for obliquely returning the rocker. As the adjusting device is provided with the rocker and a ball, button functions in a vertical direction and in other directions can be realized, namely the adjusting device is capable of realizing omnidirectional button functions. Besides, the adjusting device is provided with the magnetic element and the Hall element which are opposite, the magnetic element is driven to move by the rocker, the Hall element is capable of sensing different signals, and the operation of the whole adjusting device can be judged by the aid of the signals. By means of coordination of a baffle plate of the first cover and the signal transmitting units, turning directions of the knob can be judged, so that omnidirectional output can be realized.

The invention discloses a device and method for reducing total harmonic distortion. The device includes: a storage module for storing a harmonic distortion database; a file reading module for pre-reading the audio file to be played when playing an audio file audio data; the frequency component analysis module is used to obtain the main frequency components of the fundamental wave of the audio data, query the harmonic distortion database, and predict the amplitude and amplitude of the harmonic distortion generated after the waveform of the main frequency components passes through the hardware circuit of the terminal. phase; the reverse waveform adding module is used to add the reverse waveform of harmonic distortion to the audio data according to the amplitude and phase of the predicted harmonic distortion, and then transmit it to the audio playback module for playback. Therefore, on the premise of not increasing the hardware cost and modifying the hardware circuit, by adding the reverse waveform of the harmonic distortion in the digital domain, the effect of reducing the overall harmonic distortion is achieved, the high-fidelity index is improved, and the user experience is enhanced. auditory experience.

The invention discloses an audio output POP (Post Office Protocol) sound eliminating circuit, which comprises a reference voltage generation module, a voltage follower and an audio amplifier; the reference voltage generation module is connected to the first input end of the voltage follower, and is grounded via a decoupling capacitor C1; the second input end of the voltage follower is connected to the output end of the voltage follower and the forward output end of the audio amplifier; the reverse input end of the audio amplifier is used for inputting audio signals; the output end of the audio amplifier is connected to one end of a direct current blocking capacitor C0; the other end of the direct current blocking capacitor C0 is used for connecting an audio player; the output end of the voltage follower and the output end of the audio amplifier are connected via a first CMOS (Complementary Metal Oxide Semiconductor) switch; and the first input end of the voltage follower and the output end of the audio amplifier are connected via a second CMOS switch. According to the audio output POP sound eliminating circuit disclosed by the invention, all POP sounds generated in power supply and outage process of the audio output as well as in startup and shutdown process of the audio amplifier can be completely eliminated, the auditory feeling is improved, the structure is simple and the cost is low.

The invention provides a voice processing method, system and device and a storage medium, and the method comprises the steps: carrying out the limiting processing of an initial user recorded voice, and obtaining the limited user recorded voice; carrying out incomplete noise reduction processing on the limited user recorded voice, and obtaining the user recorded voice after noise reduction; disambiguating the de-noised user recorded voice to obtain a disambiguated user recorded voice; adjusting the number of factors in each frame of voice pre-framed in the disambiguated user recorded voice according to the average phoneme number of the initial user recorded voice, and obtaining each frame of adjusted voice; and according to the average volume of the voice recorded by the initial user, balancing the adjusted volume of each frame of voice, obtaining each frame of voice after balancing, and outputting each frame of voice after balancing. According to the invention, the user can record the voice more smoothly, and the auditory feeling of the listener is improved.

Embodiments of the present invention provide an electric vehicle sound control device and method, which belong to the technical field of electric vehicles. The electric vehicle sound control device includes: a working parameter acquisition unit, used to collect the first vehicle working parameters about the electric vehicle; a sound wave sound determination unit, used to determine the corresponding The first order sound wave sound of the first vehicle operating parameter, wherein the sound wave sound library stores multiple groups of order sound mapping relationships between multiple vehicle operating parameters and multiple order sound wave sounds of the reference engine; The sound control unit is used to generate a target masking sound based on the first order sound wave sound and output the target masking sound to the car to mask the motor whistling noise in the car, and / or generate a target masking sound based on the first order sound wave sound to generate the target warning sound and output the target warning sound to the outside of the vehicle. Therefore, calling a certain order of sound waves can improve the howling sound of the motor in the car, and can also realize the sound warning outside the car.

The invention discloses a sound customization method and device, electronic equipment and a storage medium. The method comprises the following steps of playing the test audio corresponding to each test frequency point in a plurality of test frequency points according to a preset volume sequence, wherein the plurality of test frequency points are selected from a preset frequency range; in response to a received first confirmation instruction for the minimum volume of each test frequency point, marking the minimum volume as an audible minimum volume, in response to a received second confirmation instruction for the maximum volume, marking the maximum volume as an audible maximum volume, and generating a minimum volume equal-sounding line according to the audible minimum volume corresponding to each test frequency point; and generating the maximum volume equal-sounding line is generated according to the audible maximum volume corresponding to each test frequency point, and customizing the sound according to the minimum volume equal-sounding line and the maximum volume equal-sounding line. According to the present invention, it is ensured that a user hears the minimum sound, it is also ensured that the maximum sound heard by the user is within an acceptable range, and the auditory feeling of the user on the vehicle sound effect is improved.

The invention relates to the technical field of kitchen appliances, in particular to a noise reduction method, a noise reduction device and a range hood thereof. The noise reduction method comprises the following steps: 1, collecting a sample; 2, judging whether the noise intensity reaches the standard or not, and repeating the operation of the first step if the noise intensity reaches the standard; thirdly, when the noise exceeds the standard, vibration of the target equipment is restrained through the piezoelectric effect according to the vibration information detected in the first step, and the noise intensity is reduced; meanwhile, audio injection is carried out, and noise made by the target equipment is reconciled; and 4, repeating the step 1 until the noise reaches the standard. The noise reduction device is based on the noise reduction method. The range hood at least comprises the noise reduction device. The piezoelectric actuator is used for suppressing deformation generated by vibration according to the vibration condition of the noise generation part, noise is reduced from the source of noise generation, in addition, noise which is not completely eliminated is improved in cooperation with regulation and control sound, and the auditory experience of a user is greatly improved.

The present invention provides a method for communicating with a terminal device and the terminal device. The method includes: detecting whether the terminal device receives an in-ear earphone connection instruction input by the user, and whether the terminal device enters into a communication state with the opposite device; When the connection instruction is entered into the conversation state with the peer device, the first voice signal sent by the user of the terminal device is collected, and the second voice signal sent by the peer device is received; the first voice signal and the second voice signal are mixed and processed Then send it to the earphone for playback. The solution of the present invention enables the user to clearly hear the voice of the user speaking when the user wears the in-ear earphone and uses the terminal device to make a call, thereby improving the user's auditory experience and the experience of using the in-ear earphone.

The present application discloses a head-mounted smart audio device, a head-mounted smart device and glasses for augmented reality. The head-mounted intelligent audio device includes: side front speakers and side rear speakers arranged at intervals in the circumferential direction, the side front speakers are located in front of the coronal plane of the head-mounted intelligent audio device, and the side rear speakers are located in the head The rear of the coronal plane wearing the smart audio device. The head-mounted intelligent audio device according to the present invention can form multi-channel three-dimensional surround sound, thereby greatly improving the user's hearing experience.

The invention relates to an audio loudness balancing method and device. The method comprises the following steps: acquiring a to-be-balanced audio; framing the audio to be balanced, and determining the loudness of each frame of audio according to a preset loudness calculation mode; determining the global average loudness, the global maximum loudness and the global minimum loudness of the to-be-balanced audio according to the loudness of each frame of audio; determining a level fluctuation zoom ratio of each frame of audio according to the global average loudness, the global maximum loudness, the global minimum loudness and preset loudness fluctuation; determining a global level scaling ratio of the audio to be balanced according to the global average loudness and a preset average loudness; and according to the level fluctuation scaling ratio and the global level scaling ratio, carrying out loudness equalization on the audio to be equalized. According to the scheme disclosed by the invention, the audio loudness can be balanced through combination of mean migration and fluctuation range scaling according to the loudness fluctuation and the average loudness expected by the user, so that the stimulation of accent to human ears is reduced while the improvement of the gentle sound hearing feeling is ensured, and the hearing experience is improved.

The invention discloses a total harmonic distortion reducing device and method. The device comprises a storage module which is used for storing a harmonic distortion database; a file reading module which is used for pre-reading audio data to be played when an audio file is played; a frequency component analysis module which is used for acquiring the main frequency component of fundamental wave of the audio data, inquiring the harmonic distortion database and prejudging amplitude and phase of harmonic distortion generated after the waveform of the main frequency component passes through the hardware circuit of a current terminal; and a reverse waveform adding module which is used for adding reverse waveform of harmonic distortion to the audio data according to the prejudged amplitude and phase of harmonic distortion and then transmitting the audio data to an audio playing module to be played. Therefore, an effect of reducing overall harmonic distortion is achieved by the method of adding the reverse waveform of harmonic distortion to a digital domain without increasing hardware cost or modifying the hardware circuit so that the high-fidelity index is enhanced and auditory feeling of users is enhanced.

The invention belongs to the field of audio data processing, and in particular relates to a method and system for dynamically adjusting playback volume according to wavelength. At present, when people play various audio files through audio devices, they all play them at a fixed volume, which cannot better reflect the ups and downs of the auditory effect of songs or music during playback. The system and method of the present invention correspond the wavelength of the audio data to the size of the volume, and dynamically detect the wavelength, calculate the volume value according to the wavelength, and then adjust the playback volume of the audio device to realize playing the same audio data with different volumes , that is, play at a high volume when the sound is heavy, and play at a low volume when it is soft, so that the heavy and light sounds of the audio data are played dynamically with the high and low frequencies of the audio equipment, achieving the effect of high and low sound fluctuations, increasing the user's entertainment experience and auditory experience.