Abstract: A voice signal processing apparatus and a voice signal processing method are provided. Adjust a consonant signal judgment condition of a target voice frame according to whether an original voice sampling signal corresponding to a previous voice frame adjacent to the target voice frame is a consonant signal, so as to improve comfort of listening to the sound and recognition of a voice signal.

Abstract: A location identification device, adopted in an audio output device outputting an audio signal, includes a first audio receiving device, a second audio receiving device, and a processor. The first audio receiving device samples the audio signal by a sampling frequency to generate first sample points. A waveform of the audio signal is a superposition result of a high frequency signal and an envelope. The second audio receiving device, which is away from the first audio receiving device at a predetermined distance, samples the audio signal by the sampling frequency to generate second sample points. The processor obtains the first envelope of a first characteristic value and the second envelope of a second characteristic value for identifying a location of the audio output device according to a time difference and an amplitude difference between the first characteristic value and the second characteristic value.

Abstract: A voice signal processing apparatus and a voice signal processing method are provided. A loudness of an input voice signal is detected to obtain a reference loudness. Reference loudness gains corresponding to frequency bands are calculated according to the reference loudness and wide dynamic range compression curves corresponding to the frequency bands. Loudnesses of filter signals of the frequency bands are adjusted according to the reference loudness gains of the frequency bands.

Abstract: A voice signal processing apparatus and a voice signal processing method are provided. A loudness of an input voice signal is detected to obtain a reference loudness. Reference loudness gains corresponding to frequency bands are calculated according to the reference loudness and wide dynamic range compression curves corresponding to the frequency bands. Loudnesses of filter signals of the frequency bands are adjusted according to the reference loudness gains of the frequency bands.

Abstract: A voice signal processing apparatus and a voice signal processing method are provided. A filtering loudness gain of a filter signal of each frequency band is adjusted according to a wide dynamic range compression curve without an upper output loudness limit. The filtering loudness gain of each frequency band is reduced by lowering a gain decrease adjustment value, so as to reduce a loudness of a loudness adjusted filter signal, and thus a loudness of an output voice signal is lower than a first threshold value.

Abstract: A method for dynamically adjusting recovery time in wide dynamic range compression (WDRC) for use in a hearing aid is provided. The method includes the steps of: receiving an input signal via the hearing aid; applying a band-pass filter on the input acoustic signal to calculate a high-energy ratio; calculating an over-zero rate ratio corresponding to the input acoustic signal; calculating a consonant occurring probability according to the high-frequency energy ratio and the over-zero rate ratio; applying a consonant determination mechanism on the input acoustic signal, and adjusting the consonant occurring probability according to the results of the consonant determination mechanism; calculating a recovery time factor corresponding to the input acoustic signal according to the adjusted consonant occurring probability; and performing a WDRC process on the input acoustic signal according to the recovery time factor to generate an output acoustic signal.

Abstract: A filter gain compensation method for a specific frequency band for use in an electronic device is provided. In the method, a windowed filter is applied on each of a plurality of band-pass filters in a multi-segment band-pass filter corresponding to the high-frequency signal and different frequency bands of the low-frequency signal. In addition, a high-frequency cancellation filter corresponding to the high-frequency signal of an input digital signal is calculated. A compensation gain for the high-frequency cancellation filter and each of the band-pass filters is calculated according to fitting frequency gains and a fitting frequency relationship matrix. The output acoustic signal is synthesized using output signals from the windowed band-pass filters and the high-frequency cancellation filter that are obtained according to updated filter features and compensation gain for the windowed band-pass filters and the high-frequency cancellation filter.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: A voice signal processing apparatus and a voice signal processing method are provided. A first sampling point of an mth original frequency-lowered signal frame phase-matched to the sampling point corresponding to a phase reference sampling point number is determined according to the phase reference sampling point number of an (m?1)th original frequency-lowered signal frame corresponding to a middle sampling point of an (m?1)th renovating frequency-lowered signal frame. The q consecutive sampling points starting from the first sampling point are used as the sampling points of an mth renovating frequency-lowered signal frame.

Abstract: A microphone module disposed in an electronic device for reducing echo noise. The microphone module includes a casing, a first diaphragm disposed in the casing, a second diaphragm disposed in the casing and a substrate disposed between the first diaphragm and the second diaphragm and joined to the casing to define a first space and a second space which are isolated and separated from each other. The first diaphragm is disposed in the first space, the second diaphragm is disposed in the second space, and the substrate is electrically connected with the first diaphragm and the second diaphragm.

Abstract: 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.

Abstract: A voice signal processing apparatus and a voice signal processing method are provided. A last sampling point of an mth original frequency-lowered signal frame is determined according to a phase reference sampling point number of the mth original frequency-lowered signal frame. Here, the phase reference sampling point number corresponds to a middle sampling point of an mth renovating frequency-lowered signal frame, and the last sampling point is phase-matched with a sampling point corresponding to the phase reference sampling point number in the mth original frequency-lowered signal frame. P consecutive sampling points starting from the last sampling point are applied as sampling points of an (m+1)th renovating frequency-lowered signal frame.

Abstract: A speech recognition apparatus and a speech recognition method are provided. In the invention, whether an original voice sampling signal corresponding to a target voice frame is a consonant signal is determined according to at least one of a ratio of an energy of a low-pass sampling signal to an energy of the original voice sampling signal and a ratio value of an energy of a second consonant frequency band signal.

Abstract: Presented herein are techniques to reduce error probability and eliminate the lingering signal that causes problems during audio signal data transmission. An electroacoustic transducer of a first electronic device receives a data encoded audio signal that includes modulated digital data therein. The data encoded audio signal is demodulated to produce a present input signal that includes a target frequency and a lingering effect of a previously received data encoded audio signal. Lingering cancellation is performed on the present input signal to produce a present output signal from which the lingering effect of the previously received data encoded audio signal has been removed.

Abstract: A voice signal processing apparatus and a voice signal processing method are provided. A last sampling point of an mth original frequency-lowered signal frame is determined according to a phase reference sampling point number of the mth original frequency-lowered signal frame. Here, the phase reference sampling point number corresponds to a middle sampling point of an mth renovating frequency-lowered signal frame, and the last sampling point is phase-matched with a sampling point corresponding to the phase reference sampling point number in the mth original frequency-lowered signal frame. P consecutive sampling points starting from the last sampling point are applied as sampling points of an (m+1)th renovating frequency-lowered signal frame.

Abstract: A multimedia playing system is provided. A portable electronic device includes a first dock port, a second dock port, a power module, an audio processor and a controller. When a first single-ear wireless earphone connects with the first dock port, the power module charges the first single-ear wireless earphone via the first dock port. When a second single-ear wireless earphone connects with the second dock port, the power module charges the second single-ear wireless earphone via the second dock port. The audio processor provides a left sound channel signal and a right sound channel signal. When the first single-ear wireless earphone separates from the first dock port, the controller provides one of the left sound channel signal and the right sound channel signal to the first single-ear wireless earphone according to a relative position between the first dock port and a user.

Abstract: A voice signal processing apparatus and a voice signal processing method are provided. A first sampling point of an mth original frequency-lowered signal frame phase-matched to the sampling point corresponding to a phase reference sampling point number is determined according to the phase reference sampling point number of an (m?1)th original frequency-lowered signal frame corresponding to a middle sampling point of an (m?1)th renovating frequency-lowered signal frame. The q consecutive sampling points starting from the first sampling point are used as the sampling points of an mth renovating frequency-lowered signal frame.