Pixart Imaging Incorporated

Airoha Technology Corporation

Unlimiter Mfa Co., Ltd.

Wei-Lin Chang

Kuo-Ping Yang

Kuan-Li Chao

Kuo-Wei Kao

I-Ting Lee

Kai-Yuan Hsiao

Jian-Ying Li

Po-Jui Wu

Yu-Chieh Huang

Cheng-Te Wang

Wei-Ming Chen

Neo Bob Chih-Yung Young

Chih-Long Chang

Ho-Hsin Liao

Wei-Ren Lan

Hsiang-Chun Ko

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.

True wireless multichannel-speakers device and multiple sound source voicing method thereof

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&#x2264;|X&#x2212;Y|&#x2264;100; outputting the right channel second sound signal and the left channel second sound signal.

Sound adjustment method and sound adjustment device

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.

Method for inducing brainwaves by sound and sound adjusting device

An electronic device and an equalizer adjustment method thereof for adjusting gain settings of an equalizer according to the volume of the output signal are disclosed. The method includes the steps of: setting a volume gain value table including a plurality of volume values through a gain value setting module, which are a first volume value to an Nth volume value with volume incrementally increasing, each of the plurality of volume values including a set of correction parameters which including a plurality of compensation gain values corresponding to a plurality of target frequencies, respectively; storing the volume gain value table in a storage module; obtaining a volume of the output signal; loading the volume gain value table according to the volume of the output signal to obtain the corresponding set of correction parameters; and adjusting gain value settings of an equalizer for different frequencies of sound.

Electronic device and equalizer adjustment method thereof for adjusting gain settings of an equalizer according to the volume of the output signal

A sound adjustment method includes the following steps: obtaining a sound signal including frequency bands with a corresponding original sound pressure level value; converting the original sound pressure level value of each frequency band into a corresponding loudness level value; adjusting each loudness level value by a preset loudness level value to obtain an adjusted loudness level value of each frequency band; converting each adjusted loudness level value into a corresponding adjusted sound pressure level value; calculating a target sound pressure level value of each frequency band according to the original sound pressure level of each frequency band and each adjusted sound pressure level value; adjusting the original sound pressure level value of each frequency band by each target sound pressure level value to obtain an adjusted sound signal; outputting the adjusted sound signal.

Sound adjustment method for hearing protection and sound adjustment device performing the same

A sound playback device and a method for masking interference sound through a noise masking signal thereof are disclosed. The method comprises the steps of: playing an audio signal as a noise masking signal; receiving an ambient sound; analyzing whether the ambient sound has an interference sound in N different frequency bands; if so, finding at least one interference sound frequency band and a time period, and the interference sound conforms to the condition that an instant sound entropy value is greater than a dynamic sound average entropy value, wherein the instant sound entropy value is the calculated sound entropy value in a current sampling time; the dynamic sound average entropy value is an average entropy value of the sum of the previous instant sound entropy values; and increasing an energy of the noise masking signal in the interference sound frequency band and the time period.

Sound playback device and method for masking interference sound through noise masking signal thereof

A method for automatically lowering the playing volume is disclosed. The method includes the following steps of: obtaining a first value according to a first playing volume and a first accumulated playing time of a sound player; determining whether the first value reaches a first threshold value; if yes, then lowering the first playing volume of the sound player to a second playing volume; obtaining a second value according to the second playing volume and a second accumulated playing time of the sound player; determining whether the second value reaches a second threshold value; if yes, then lowering the second playing volume of the sound player again, wherein the second threshold value is less than the first threshold value.

Growing community of inventors

Taipei, Taiwan

Wei-Lin Chang