Patents by Inventor Kuei-Ting Tai
Kuei-Ting Tai has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20230370767Abstract: A sound-receiving system is provided, including: a sound-guiding tube, a microphone, and an acoustic perforated sheet. The sound-guiding tube has a winding path, including a first end, a second end, and a sound-receiving hole. The second end is opposite the first end. The sound-receiving hole is disposed at the first end. The microphone is abutted against the second end. The acoustic perforated sheet is disposed adjacent to the sound-receiving hole and is a distance away from the sound-receiving hole. The sound-receiving hole is offset from the microphone. The acoustic perforated sheet reduces and filters the frequency response of a specific frequency range of the microphone.Type: ApplicationFiled: August 18, 2022Publication date: November 16, 2023Inventors: Kuei-Ting TAI, Jia-Ren CHANG
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Patent number: 11158301Abstract: A method for eliminating a specific object voice and an ear-wearing audio device using the same are provided. The ear-wearing audio device includes a plurality of voice receiving units, a voice direction tracking unit, a direction enhancement unit, a window cutting unit, a voiceprint recognition unit, a voice cancellation unit and two speakers. The voice receiving units are arranged in an array to obtain a sound signal. The voice direction tracking unit is configured to track a plurality of sound sources to obtain a plurality of sound source directions. The voiceprint recognition unit determines whether the sound signal contains a specific object voice in each of the sound source directions. If the sound signal contains the specific object voice in one of the sound source directions, the voice cancellation adjusts a field pattern using a beamforming technique to eliminate the specific object voice.Type: GrantFiled: November 20, 2020Date of Patent: October 26, 2021Assignee: ACER INCORPORATEDInventors: Po-Jen Tu, Jia-Ren Chang, Kai-Meng Tzeng, Kuei-Ting Tai, Chih-Ta Lin
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Publication number: 20210248992Abstract: A method for eliminating a specific object voice and an ear-wearing audio device using the same are provided. The ear-wearing audio device includes a plurality of voice receiving units, a voice direction tracking unit, a direction enhancement unit, a window cutting unit, a voiceprint recognition unit, a voice cancellation unit and two speakers. The voice receiving units are arranged in an array to obtain a sound signal. The voice direction tracking unit is configured to track a plurality of sound sources to obtain a plurality of sound source directions. The voiceprint recognition unit determines whether the sound signal contains a specific object voice in each of the sound source directions. If the sound signal contains the specific object voice in one of the sound source directions, the voice cancellation adjusts a field pattern using a beamforming technique to eliminate the specific object voice.Type: ApplicationFiled: November 20, 2020Publication date: August 12, 2021Applicant: Acer IncorporatedInventors: Po-Jen TU, Jia-Ren CHANG, Kai-Meng TZENG, Kuei-Ting TAI, Chih-Ta LIN
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Patent number: 10911864Abstract: A head-mounted display apparatus and an acoustic device disposed in the head-mounted display apparatus are provided. The acoustic device includes a speaker, a resonance box, and a waveguide. The resonance box is connected to the speaker. The waveguide is connected to the resonance box. The volume of the waveguide is greater than twice the volume of the speaker, and the length of the waveguide is greater than 5 times the thickness of the speaker.Type: GrantFiled: August 21, 2019Date of Patent: February 2, 2021Assignees: ACER INCORPORATED, STARVR CORPORATIONInventors: Kuei-Ting Tai, Jia-Ren Chang, Chun-Hung Wen
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Patent number: 10615761Abstract: A signal gain control method for an electronic device including an alternating-current (AC) impedance detector and a direct-current (DC) impedance detector is provided. An electronic device may implement the method and may be coupled to an external device. The method includes: detecting an AC impedance of the external device by the AC impedance detector; detecting a DC impedance of the external device by the DC impedance detector; obtaining a gain adjustment value according to the AC impedance and the DC impedance; and adjusting a signal gain of an audio signal output to the external device according to the gain adjustment value.Type: GrantFiled: November 12, 2018Date of Patent: April 7, 2020Assignee: ACER INCORPORATEDInventors: Kuei-Ting Tai, Jia-Ren Chang, Ming-Chun Yu
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Publication number: 20200077181Abstract: A head-mounted display apparatus and an acoustic device disposed in the head-mounted display apparatus are provided. The acoustic device includes a speaker, a resonance box, and a waveguide. The resonance box is connected to the speaker. The waveguide is connected to the resonance box. The volume of the waveguide is greater than twice the volume of the speaker, and the length of the waveguide is greater than 5 times the thickness of the speaker.Type: ApplicationFiled: August 21, 2019Publication date: March 5, 2020Inventors: Kuei-Ting TAI, Jia-Ren CHANG, Chun-Hung WEN
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Publication number: 20200021261Abstract: A signal gain control method for an electronic device including an alternating-current (AC) impedance detector and a direct-current (DC) impedance detector is provided. An electronic device may implement the method and may be coupled to an external device. The method includes: detecting an AC impedance of the external device by the AC impedance detector; detecting a DC impedance of the external device by the DC impedance detector; obtaining a gain adjustment value according to the AC impedance and the DC impedance; and adjusting a signal gain of an audio signal output to the external device according to the gain adjustment value.Type: ApplicationFiled: November 12, 2018Publication date: January 16, 2020Inventors: Kuei-Ting TAI, Jia-Ren CHANG, Ming-Chun YU
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Publication number: 20190069114Abstract: The present disclosure provides an audio processing device including a positioning unit and a digital signal processor. The positioning unit detects the original position and the up-to-date position and calculates an offset between the up-to-date position and the original position. The digital signal processor, electrically connected to the positioning unit, receives audio data to generate a surround sound field having a plurality of virtual speaker sound effects and receives the offset to adjust the virtual speaker sound effects of the surround sound field according to the offset.Type: ApplicationFiled: May 18, 2018Publication date: February 28, 2019Inventors: Kuei-Ting TAI, Jia-Ren CHANG, Ming-Chun YU
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Publication number: 20180077490Abstract: An electronic device and a method for dynamically adjusting the output of a headset are provided in the invention. The electronic device includes a first connection interface, a processor and a storage device. When the first connection interface is coupled to the detection device, the first connection interface transmits detection-source signals to the detection device, and receives groups of headset output signals corresponding to the detection-source signals from the detection device. When the first connection interface is coupled to the detection device, the processor obtains gain information according a plurality of groups of measured headset signals corresponding to the groups of headset output signals, and when the first connection interface is coupled to the headset device, the processor dynamically adjusts the output of the headset device according to the gain information. The storage device is coupled to the processor and stores the gain information.Type: ApplicationFiled: November 21, 2017Publication date: March 15, 2018Inventors: Po-Jen TU, Jia-Ren CHANG, Ming-Chun YU, Kuei-Ting TAI, Kai-Meng TZENG
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Patent number: 9906860Abstract: An electronic device and a method for dynamically adjusting the output of a headset are provided in the invention. The electronic device includes a first connection interface, a processor and a storage device. The first connection interface is coupled to a detection device, transmits a plurality of detection-source signals to the detection device, and receives a plurality of groups of headset output signals corresponding to the plurality of detection-source signals from the detection device. The processor is coupled to the first connection interface, obtains gain information according a plurality of groups of measured headset signals corresponding to the plurality of groups of headset output signals, and dynamically adjusts the output of a headset according to the gain information. The storage device is coupled to the processor and stores the gain information.Type: GrantFiled: October 26, 2016Date of Patent: February 27, 2018Assignee: ACER INCORPORATEDInventors: Po-Jen Tu, Jia-Ren Chang, Ming-Chun Yu, Kuei-Ting Tai, Kai-Meng Tzeng
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Publication number: 20170353794Abstract: An electronic device and a method for dynamically adjusting the output of a headset are provided in the invention. The electronic device includes a first connection interface, a processor and a storage device. The first connection interface is coupled to a detection device, transmits a plurality of detection-source signals to the detection device, and receives a plurality of groups of headset output signals corresponding to the plurality of detection-source signals from the detection device. The processor is coupled to the first connection interface, obtains gain information according a plurality of groups of measured headset signals corresponding to the plurality of groups of headset output signals, and dynamically adjusts the output of a headset according to the gain information. The storage device is coupled to the processor and stores the gain information.Type: ApplicationFiled: October 26, 2016Publication date: December 7, 2017Inventors: Po-Jen TU, Jia-Ren CHANG, Ming-Chun YU, Kuei-Ting TAI, Kai-Meng TZENG
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Publication number: 20170280262Abstract: An electronic device is provided in the invention. The electronic device includes a first connection interface, a second connection interface, a processor and a storage device. The first connection interface is coupled to a third connection interface of a detection device by a headset connector to receive an oscillation signal and headset output signal corresponding to a detection-source signal from the detection device, and transmits the detection-source signal to the detection device. The second connection interface is coupled to a fourth interface to transmit a control signal to the detection device. The processor is coupled to the first connection interface and second connection interface, and obtains the microphone information according to the oscillation signal, and obtains the headset information according to measured headset signals and the microphone information. The storage device is coupled to the processor to store the microphone information and the headset information.Type: ApplicationFiled: November 28, 2016Publication date: September 28, 2017Inventors: Po-Jen TU, Jia-Ren CHANG, Ming-Chun YU, Kuei-Ting TAI, Kai-Meng TZENG
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Patent number: 9736568Abstract: An electronic device, calibrator, and headset for calibrating the electronic device are provided. The headset includes an earphone, a microphone, a switch unit, and a jack, where the switch unit including a capacitor and a switch element is electrically connected between the earphone and the microphone. The switch element conducts or cuts off a first path according to a control signal of the electronic device, where the first path is a signal transmission path from the earphone, through the capacitor, and to the microphone. When the jack is inserted into a headset port of the electronic device and the switch element receives the control signal to conduct the first path, the earphone receives output signals transmitted from the electronic device, and the microphone transmits input signals back to the electronic device. The electronic device adjusts a signal to be output according to the output signals and the input signals.Type: GrantFiled: April 23, 2015Date of Patent: August 15, 2017Assignee: Acer IncorporatedInventors: Po-Jen Tu, Jia-Ren Chang, Ming-Chun Yu, Kuei-Ting Tai
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Patent number: 9436259Abstract: An electronic device includes a microphone, a bias-supply device and a voice-recognition device. The bias-supply device is configured to provide a first bias voltage to serve as an operation voltage of the microphone, when the electronic device is operated in a power-saving mode, such that the microphone transforms a voice signal into a first output signal. The voice-recognition device is configured to receive the first output signal and output a control signal, when the first output signal has a predetermined signal, to enable the electronic device be operated in a normal operation mode and the bias-supply device to provide a second bias voltage that is higher than the first bias voltage to serve as the operation voltage of the microphone, such that the microphone transforms the voice signal into a second output signal and outputs the second signal to a core circuit.Type: GrantFiled: July 11, 2014Date of Patent: September 6, 2016Assignee: ACER INCORPORATEDInventors: Po-Jen Tu, Jia-Ren Chang, Ming-Chun Yu, Ming-Chun Fang, Kuei-Ting Tai, Kai-Meng Tzeng
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Patent number: 9326079Abstract: A detection circuit is disclosed, in which the first and second pins are arranged to connect to at least one signal transduction area of the plug, such that a voltage division circuit generates first and second division voltages accordingly. A processing unit determines the signal transduction area(s) connected by the first and second pins by the first and second division voltages. When detecting that the first and second pins separately connect the microphone area and the ground area of the plug, the processing unit controls a microphone switch to connect the first pin to the microphone output node and the second pin to the ground. When detecting that the first pin and the second pin separately connect the ground area and the microphone area, the processing unit controls the microphone switch to connect the first pin to the ground and the second pin to the microphone output node.Type: GrantFiled: February 20, 2014Date of Patent: April 26, 2016Assignee: ACER INCORPORATEDInventors: Po-Jen Tu, Tzu-Chun Chang, Jia-Ren Chang, Ming-Chun Yu, Kuei-Ting Tai
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Patent number: 9307316Abstract: In a device including a headset jack having an external microphone contact, and an external microphone signal path connected to the external microphone contact, a method including detecting whether a headset plug is plugged into the headset jack and, if the headset plug is detected, selecting an audio signal received from the external microphone signal path, recording the selected audio signal, to produce a recorded audio signal, and determining if an external microphone is connected to the external microphone contact based on the recorded audio signal.Type: GrantFiled: January 24, 2014Date of Patent: April 5, 2016Assignee: ACER INCORPORATEDInventors: Po-Jen Tu, Jia-Ren Chang, Ming-Chun Yu, Kuei-Ting Tai, Kai-Meng Tzeng
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Publication number: 20160066077Abstract: An electronic device, calibrator, and headset for calibrating the electronic device are provided. The headset includes an earphone, a microphone, a switch unit, and a jack, where the switch unit including a capacitor and a switch element is electrically connected between the earphone and the microphone. The switch element conducts or cuts off a first path according to a control signal of the electronic device, where the first path is a signal transmission path from the earphone, through the capacitor, and to the microphone. When the jack is inserted into a headset port of the electronic device and the switch element receives the control signal to conduct the first path, the earphone receives output signals transmitted from the electronic device, and the microphone transmits input signals back to the electronic device. The electronic device adjusts a signal to be output according to the output signals and the input signals.Type: ApplicationFiled: April 23, 2015Publication date: March 3, 2016Inventors: Po-Jen Tu, Jia-Ren Chang, Ming-Chun Yu, Kuei-Ting Tai
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Patent number: 9179206Abstract: A sound box structure includes a sound box, a speaker, and a gas absorption element. The sound box includes a sound box space. A first hole is formed on one plane of the sound box, and a second hole is formed on another plane of the sound box. The speaker is mounted on the first hole. The gas absorption element is mounted on the second hole.Type: GrantFiled: January 10, 2014Date of Patent: November 3, 2015Assignee: Acer Inc.Inventors: Kuei-Ting Tai, Jia-Ren Chang, Po-Jen Tu
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Publication number: 20150110308Abstract: A handheld electronic device including a housing, at least one speaker and a touch display module is provided. The speaker and a touch display module are assembled to the housing. A channel is formed between the touch display module and the speaker, and a first sound is generated by the speaker and transmitted in the channel.Type: ApplicationFiled: March 5, 2014Publication date: April 23, 2015Applicant: Acer IncorporatedInventors: Kuei-Ting Tai, Jia-Ren Chang, Po-Jen Tu
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Publication number: 20150055802Abstract: An electronic device includes a microphone, a bias-supply device and a voice-recognition device. The bias-supply device is configured to provide a first bias voltage to serve as an operation voltage of the microphone, when the electronic device is operated in a power-saving mode, such that the microphone transforms a voice signal into a first output signal. The voice-recognition device is configured to receive the first output signal and output a control signal, when the first output signal has a predetermined signal, to enable the electronic device be operated in a normal operation mode and the bias-supply device to provide a second bias voltage that is higher than the first bias voltage to serve as the operation voltage of the microphone, such that the microphone transforms the voice signal into a second output signal and outputs the second signal to a core circuit.Type: ApplicationFiled: July 11, 2014Publication date: February 26, 2015Inventors: Po-Jen Tu, Jia-Ren Chang, Ming-Chun Yu, Ming-Chun Fang, Kuei-Ting Tai, Kai-Meng Tzeng