Abstract: A true wireless multichannel-speakers device and a multiple sound-source voicing method thereof are disclosed. The true wireless multichannel-speakers device includes a first and a second sounder. The first and the second sounders respectively include a first and a second sound effect generators, a first and a second sound effect value providers, and a first and a second speakers. The first sound effect value provider provides a first sound effect control value set to the first sound effect generator to generate a first sound effect output signal so that the first speaker outputs the first sound effect output signal. The second sound effect value provider provides a second sound effect control value set to the second sound effect generator to generate a second sound effect output signal so that the second speaker outputs the second sound effect output signal.

Abstract: A communication device and an output sidetone adjustment method thereof are disclosed. The method includes the steps of: receiving a far-end sound; receiving a near-end sound to form a sidetone and obtaining an average input volume of the near-end sound; detecting ambient noise of the near-end sound; analyzing an average noise volume and a noise frequency band of the ambient noise to determine whether the average noise volume of the ambient noise is higher than the average input volume; if yes, adjusting the volume of the sidetone in a specific frequency band by increasing it by a first gain value to form an adjusted sidetone, wherein the specific frequency band and the noise frequency band of the ambient noise belong to the same frequency band or different frequency bands; and outputting the adjusted sidetone and the far-end sound.

Abstract: An adjustment method of sound output is disclosed. The adjustment method includes the following steps of: receiving an audio message having a vowel message; determining whether the audio message is a whispered voice message; if the audio message is a whispered voice message, outputting a normal voice message, wherein the spoken content of the normal voice message is the same as that of the audio message, and the normal voice message has a normal voice vowel message, wherein the sound energy of the low-frequency part of the normal voice vowel message is 1.5-1,000,000 times that of the vowel message.

Abstract: A method of generating sounds for reducing an effect of tinnitus is disclosed. The method includes the following steps: acquiring a sound frequency of a tinnitus sound of a user, and playing a plurality of pure tones within a frequency range during a playback time, wherein the plurality of pure tones include a plurality of first pure tones and a plurality of second pure tones; the plurality of first pure tones and the sound frequency are located at a first frequency area, and the plurality of second pure tones are located at a second frequency area; the first frequency area covers X Hz, where 100?X?12000, the second frequency area covers the remaining portion of the frequency range excluding the first frequency area, and the plurality of first pure tones accounts for M % of the plurality of pure tones, where 50<M?90.

Abstract: A method for adjusting accompaniment music is disclosed. The method transposes the musical key of at least one section of the accompaniment music such that a song will have different musical key transpositions for different sections of the accompaniment music, so that singers whose vocal ranges are narrow can sing songs after the adjustment.

Abstract: A sound adjustment method is disclosed. The sound adjustment method includes the following the steps: receiving a sound adjustment command; receiving a right channel sound signal and a left channel sound signal; selecting a corresponding adjustment mode according to the sound adjustment command and processing the right channel sound signal and the left channel sound signal based on the adjustment mode to generate a right channel first sound signal and a left channel first sound signal, wherein different adjustment modes have different intensity adjustment levels; shifting the frequency of the right channel first sound signal by X Hz to generate a right channel second sound signal and shifting the frequency of the left channel first sound signal by Y Hz to generate a left channel second sound signal, wherein 0.5?|X?Y|?100; outputting the right channel second sound signal and the left channel second sound signal.

Abstract: A method for adjusting playing sound in a sound playing system is disclosed. The sound playing system includes a camera module, a facial analysis module, a sound inputting module, a sound adjustment module, and a speaker. The method includes: obtaining an image of a face of each one of a plurality of people through the camera module; analyzing the image to estimate the age of each one of the plurality of people through the facial analysis module, and obtaining a target age according to the age of each person; obtaining a playing sound through the sound inputting module; adjusting the playing sound according to the target age through the sound adjustment module to obtain an output sound; and playing the output sound through the speaker.

Abstract: A method for detecting ambient noise to change the playing voice frequency and a sound playing device thereof are disclosed. The method includes the following steps: obtaining an input voice; detecting an ambient noise, and analyzing a noise frequency range of the ambient noise; determining whether a consonant frequency range of the input voice falls within the noise frequency range; if yes, adjusting the frequency of the consonant of the input voice to avoid the noise frequency range to form a modified voice; and playing an output voice, wherein the output voice includes the modified voice.

Abstract: A hearing assistance device and method of adjusting an output sound of the hearing assistance device are disclosed. The method comprises the following steps: emitting a test sound, wherein the frequency of the test sound is higher than 15 kHz and lower than 30 kHz; receiving a response sound after the test sound is emitted; determining whether the response sound is higher than a response sound threshold; and, if yes, adjusting an output volume.

Abstract: A hearing assisting device and method for adjusting output sound of the hearing assisting device are disclosed. The method comprises the following steps of: receiving a voice data; analyzing the voice data to obtain a voiceprint data and comparing the voiceprint data with a built-in voiceprint data; and if the voiceprint data matches the built-in voiceprint data, adjusting a volume of the voice data.

Abstract: A communication device and a sidetone volume adjusting method thereof are disclosed. The communication device includes a sound processor, a far-end sound receiver, a near-end sound receiver, a volume adjuster, and a sound player. The far-end sound receiver is configured to receive a far-end sound and transmit it to the sound processor. The near-end sound receiver is configured to receive a near-end sound such that the sound processor receives the near-end sound to form a sidetone. The volume adjustment module is configured to adjust the volume of the far-end sound and the sidetone to form the adjusted far-end sound and the adjusted sidetone, wherein the volume of the adjusted sidetone is based on the near-end sound and the adjusted far-end sound. The sound player is used to play the adjusted sidetone and the adjusted far-end sound.

Abstract: A communication device and an output sidetone adjustment method thereof are disclosed. The method includes the steps of: receiving a far-end sound; receiving a near-end sound to form a sidetone and obtaining an average input volume of the near-end sound; detecting ambient noise of the near-end sound; analyzing an average noise volume and a noise frequency band of the ambient noise to determine whether the average noise volume of the ambient noise is higher than the average input volume; if yes, adjusting the volume of the sidetone in a specific frequency band by increasing it by a first gain value to form an adjusted sidetone, wherein the specific frequency band and the noise frequency band of the ambient noise belong to the same frequency band or different frequency bands; and outputting the adjusted sidetone and the far-end sound.

Abstract: A method for inducing brain waves by sound has the following steps: receiving a first channel input signal and a second channel input signal; adjusting a volume gain of the first channel input signal to form a first channel output signal, wherein a format of the volume gain of the first channel output signal is a first wave format; adjusting a volume gain of the second channel input signal to form a second channel output signal, wherein a format of the volume gain of the second channel output signal is a second wave format, wherein there is a phase difference between the first wave format and the second wave format, wherein the formats of the first wave format and the second wave format are the same; outputting the first channel output signal to a first speaker; and outputting the second channel output signal to a second speaker.

Abstract: An equalizer adjustment method applied to an electronic device is disclosed. The equalizer adjustment method includes: storing an age gain value list in the storage module, wherein the age gain value list includes a plurality of age sections, each age section respectively includes a set of correction parameters, and the set of correction parameters includes a plurality of compensation gain values respectively corresponding to a plurality of target frequencies; via the hearing test module, providing a hearing test; obtaining a hearing test result of a user; via the age determination module and according to the hearing test result, obtaining the age section corresponding to the user; obtaining the set of correction parameters corresponding to the age section corresponding to the user; via the equalizer adjustment module and according to the set of correction parameters, adjusting gain value settings of the equalizer at different target frequencies.

Abstract: An equalizer adjustment method applied to an electronic device is disclosed. The equalizer adjustment method includes: storing an age gain value list in the storage module, wherein the age gain value list includes a plurality of age sections, each age section respectively includes a set of correction parameters, and the set of correction parameters includes a plurality of compensation gain values respectively corresponding to a plurality of target frequencies; via the hearing test module, providing a hearing test; obtaining a hearing test result of a user; via the age determination module and according to the hearing test result, obtaining the age section corresponding to the user; obtaining the set of correction parameters corresponding to the age section corresponding to the user; via the equalizer adjustment module and according to the set of correction parameters, adjusting gain value settings of the equalizer at different target frequencies.

Abstract: A method for inducing sleep with sounds includes the steps of: calculating and obtaining N sleep cycles based on an estimated sleep time of a user, where 3?N?15, and playing inducing sounds within at least three sleep cycles, wherein the inducing sounds include a first stage, a second stage, a third stage and a fourth stage. The method can be used for improving the sleep quality of a user.

Abstract: A method for adjusting playing sound in a sound playing system is disclosed. The sound playing system includes a camera module, a facial analysis module, a sound inputting module, a sound adjustment module, and a speaker. The method includes: obtaining an image of a face of each one of a plurality of people through the camera module; analyzing the image to estimate the age of each one of the plurality of people through the facial analysis module, and obtaining a target age according to the age of each person; obtaining a playing sound through the sound inputting module; adjusting the playing sound according to the target age through the sound adjustment module to obtain an output sound; and playing the output sound through the speaker.

Abstract: An adjustment method of sound output is disclosed. The adjustment method includes the following steps of: receiving an audio message having a vowel message; determining whether the audio message is a whispered voice message; if the audio message is a whispered voice message, outputting a normal voice message, wherein the spoken content of the normal voice message is the same as that of the audio message, and the normal voice message has a normal voice vowel message, wherein the sound energy of the low-frequency part of the normal voice vowel message is 1.5-1,000,000 times that of the vowel message.

Abstract: An artificial intelligence voice interaction method and a near-end electronic device thereof are disclosed. The method includes the following steps: receiving a voice input by a user; transmitting the voice to a remote artificial intelligence server; determining whether the voice has ended; when determining that the voice has ended and has not received a stop recording signal transmitted by the remote artificial intelligence server, it stops transmitting the voice to the remote artificial intelligence server; before determining that the voice has ended, and has received the stop recording signal from the remote artificial intelligence server, it stops transmitting the voice to the remote artificial intelligence server; and receiving a response signal send back from the remote artificial intelligence server.

Abstract: A sound playback system and an output sound adjusting method thereof are disclosed. The method includes the following steps: receiving an input sound signal from a user, wherein the input sound signal includes a voice signal indicating the age of the user; transmitting the input sound signal to a remote voice system; performing a voice recognition process according to the voice signal of the input sound signal to obtain a voice recognition result; adjusting a gain value of each frequency band of an output sound signal according to the voice recognition result; and transmitting the output sound signal to a near-end electronic device to output the output sound signal to be heard by the user.