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Android system based energy-saving control method for audio power amplifier

A technology for energy-saving control and audio functions, applied to transducer circuits, improved amplifiers to reduce temperature/power supply voltage changes, sensor components, etc., can solve problems such as high heat, difficult control of the power switch of the power amplifier, and high energy consumption of the power amplifier. , to achieve the effect of reducing the working temperature, saving system energy consumption, reducing energy consumption and working temperature

Active Publication Date: 2013-09-18
XIAMEN YAXON NETWORKS CO LTD
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AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is to provide an android-based audio power amplifier energy-saving control method, which solves the problems of high power consumption, high heat and difficult control of the power switch of the power amplifier

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  • Android system based energy-saving control method for audio power amplifier

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Embodiment Construction

[0038] An audio power amplifier energy-saving control method based on an android system, the android system includes an application program, an audio codec and a power amplifier, a kernel audio processing module, and an audio multi-channel selector,

[0039] The application program initiates audio playback, stop, pause or resume operations; the application program refers to various application programs installed in the android system;

[0040] The kernel audio processing module is responsible for performing audio function interface calls, obtaining audio data, configuring its internal DMA module to work, sending audio data to the audio codec, and controlling the power amplifier; the DMA module, The English full name is Direct Memory Access, which means direct memory access.

[0041] The audio codec: receives audio data, the audio data is a digital signal, the audio codec converts the audio digital signal into an audio analog signal, and transmits it to the audio multiplexer; ...

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Abstract

The invention provides an android system based energy-saving control method for an audio power amplifier. The method includes the steps of audio play starting and audio play stopping; in the audio play starting step, type of a current audio event is judged through a kernel audio processing module, and if the current audio event is an audio starting, restoring or release pausing event, the power amplifier is powered on, otherwise the power amplifier is powered off; in the audio play stopping step, type of a current audio event is judged through the kernel audio processing module, and if the current audio event is an audio stopping, suspending or pausing event, the power amplifier is powered off, otherwise the power amplifier is powered on. The method has the advantages that energy consumption of a system is reduced, working temperature of equipment is lowered, energy consumption and working temperature of the power amplifier are reduced maximally, the power amplifier is prevented from being damaged, design of an application framework is simplified, codes can run in a kernel automatically, and intelligent control effect of the system on the power amplifier is achieved really.

Description

technical field [0001] The invention relates to an audio power amplifier energy-saving control method based on an android system. Background technique [0002] The power amplifier (full name: power amplifier) ​​is a hidden energy-consuming component, and currently few products or end systems control it. The disadvantage of not managing the power amplifier is obvious: on the one hand, the power amplifier is an energy-consuming component, and if it is not managed, it will consume energy in real time; on the other hand, the power amplifier is a very important heat source, especially if the heat source is placed The problem of high operating temperature of the device becomes particularly prominent when it is enclosed in a small embedded device. Therefore, minimizing unnecessary work of energy-consuming components is a design goal of every embedded product. [0003] The difficulty to improve this shortcoming is that although there are some conventional methods at present, such ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04R3/00H03F1/30
Inventor 李培明杨磊范少卓
Owner XIAMEN YAXON NETWORKS CO LTD
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