Background sound mixer for mobile audio platform applications and methods thereof
AssigneeMacronix International Co., Ltd.
InventorAdam Chang
Life of this patent
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Abstract
A cellular phone including a host processor, a host interface coupled to the host processor, a sound mixer coupled to the host processor and provides an output signal to the host processor through the host interface, and an audio analog-to-digital converter (ADC) coupled to the sound mixer to provide an input signal, wherein the sound mixer receives the input signal and a pre-recorded signal, and wherein the sound mixer combines the input signal and the pre-recorded signal to produce the output signal.
Claims22
A mobile communications device, comprising:
- a host processor;
- and
- a sound mixer coupled to the host processor,
- wherein the sound mixer receives an input signal and a pre-recorded signal,
- wherein the sound mixer includes a firmware for multi-platform applications, and
- wherein the sound mixer combines the input signal and the pre-recorded signal to produce an output signal.
A cellular phone, comprising:
- a host processor;
- a host interface coupled to the host processor;
- a sound mixer coupled to the host processor and provides an output signal to the host processor through the host interface;
- and
- an audio analog-to-digital converter (ADC) coupled to the sound mixer to provide an input signal,
- wherein the sound mixer receives the input signal and a pre-recorded signal, and
- wherein the sound mixer combines the input signal and the pre-recorded signal to produce the output signal.
A cellular phone, comprising:
- a sound mixer for receiving an incoming analog audio signal;
- and
- an audio digital-to-analog converter (DAC) coupled to the sound mixer to provide a analog pre-recorded audio signal,
- wherein the sound mixer combines the incoming analog audio signal and the pre-recorded audio signal to produce an analog output signal.
A method of signal processing in a mobile communications device, comprising:
- providing a host processor;
- providing a sound mixer coupled to the host processor;
- receiving an input signal;
- receiving a pre-recorded signal;
- and
- combining by the sound mixer the input signal and the pre-recorded signal to produce an output signal.
Dependencies are inferred from the claim text.