Abstract: An audio processing apparatus and an audio processing method are provided. The audio processing apparatus includes a microphone array, a processor, and an audio signal processor. The microphone array is configured to provide an external audio signal having a first sampling frequency. The external audio signal includes a first audio signal and a second audio signal. The processor provides a first setting command and a second setting command according to the external audio signal and the second audio signal. The audio signal processor generates the second audio signal having a second sampling frequency according to the first setting command, adjusts the second sampling frequency of the second audio signal to the first sampling frequency according to the second setting command, and separates the first audio signal in the external audio signal according to the second audio signal having the first sampling frequency.

Abstract: An audio processing apparatus and an audio processing method are provided. The audio processing apparatus includes a microphone array, a processor, and an audio signal processor. The microphone array is configured to provide an external audio signal having a first sampling frequency. The external audio signal includes a first audio signal and a second audio signal. The processor provides a first setting command and a second setting command according to the external audio signal and the second audio signal. The audio signal processor generates the second audio signal having a second sampling frequency according to the first setting command, adjusts the second sampling frequency of the second audio signal to the first sampling frequency according to the second setting command, and separates the first audio signal in the external audio signal according to the second audio signal having the first sampling frequency.

Abstract: An adapter apparatus for an earphone accessory is provided. The adapter apparatus includes an earphone jack, a connection interface, a pre-amplifier and a device adapter circuit. The earphone jack is suitable for a plug of the earphone accessory to plug in. The connection interface is suitable for being electrically connected with a portable device. The pre-amplifier is electrically connected to the earphone jack to receive an earphone control signal of the earphone accessory and to provide an amplified earphone control signal. The device adapter circuit is electrically connected to the pre-amplifier and the connection interface to receive the amplified earphone control signal of the earphone accessory and provide a device control signal to the portable device via the connection interface.

Abstract: An adapter apparatus for an earphone accessory is provided. The adapter apparatus includes an earphone jack, a connection interface, a pre-amplifier and a device adapter circuit. The earphone jack is suitable for a plug of the earphone accessory to plug in. The connection interface is suitable for being electrically connected with a portable device. The pre-amplifier is electrically connected to the earphone jack to receive an earphone control signal of the earphone accessory and to provide an amplified earphone control signal. The device adapter circuit is electrically connected to the pre-amplifier and the connection interface to receive the amplified earphone control signal of the earphone accessory and provide a device control signal to the portable device via the connection interface.

Abstract: An adapter apparatus for a headset accessory and a signal transfer method of the headset accessory are provided. The adapter apparatus includes an earphone jack, a connection interface and a device adapter circuit. The earphone jack is suitable for a plug of the headset accessory to plug in. The connection interface is suitable for being electrically connected with a portable device. The device adapter circuit is electrically connected to the earphone jack and the connection interface to receive a headset control signal of the headset accessory and provide a device control signal to the portable device via the connection interface. The device adapter circuit provides the device control signal based on a DC level and a frequency of the headset control signal.

Abstract: An adapter apparatus for a headset accessory and a signal transfer method of the headset accessory are provided. The adapter apparatus includes an earphone jack, a connection interface and a device adapter circuit. The earphone jack is suitable for a plug of the headset accessory to plug in. The connection interface is suitable for being electrically connected with a portable device. The device adapter circuit is electrically connected to the earphone jack and the connection interface to receive a headset control signal of the headset accessory and provide a device control signal to the portable device via the connection interface. The device adapter circuit provides the device control signal based on a DC level and a frequency of the headset control signal.