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Audio amplification of Azalia multimedia digital signal coding-decoding apparatus

An audio amplifying circuit and codec technology, applied in the direction of low-frequency amplifiers, etc., can solve the problems of output, there is no way to know the setting type of the multimedia digital codec 100, etc., and achieve the effect of increasing convenience.

Inactive Publication Date: 2006-11-29
LEJIN ELECTRONICS KUNSHAN COMPUTER CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Similar to this, the multimedia codec 100 of the conventional audio amplifier circuit only grasps the result of the amplifier 110, and cannot grasp the type of equipment connected to the plug insertion device. As a result, in order to amplify the output of the multimedia codec 100, the If the amplifier 110 is installed outside, not only it is impossible to know the installation type of the multimedia digital codec 100 connection plug insertion device, but also the output of amplified data irrelevant to the type of equipment may occur.

Method used

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  • Audio amplification of Azalia multimedia digital signal coding-decoding apparatus
  • Audio amplification of Azalia multimedia digital signal coding-decoding apparatus

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Embodiment Construction

[0018] The Azalia multimedia digital signal codec audio amplifier according to the present invention will be described in detail below.

[0019] In general, Azalia is a relatively new way of using digital codecs for audio media in existing computers. The above-mentioned Azalia senses the plug inserted into the audio port, and judges whether it is a headset, a microphone, a speaker, or an online input and output, etc., which increases the convenience of the user. The sensing method has different resistances from earphones, microphones, speakers, etc., so it senses and judges what kind of plug is inserted. The same Azalia multimedia digital codec technology is to make a perceptual judgment when there is no certain port (earphone, microphone, incoming line, outgoing line) inserted into the plug that the user wants to use.

[0020] figure 2 It is a control composition diagram of the Azalia multimedia codec audio amplifier circuit according to the present invention.

[0021] Th...

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Abstract

This invention relates to an audio amplifying circuit of an Azalia multimedia digital signal code-decode device, which can apperceive a related audio device and receives the audio signals when a plug device is connected with the audio device and apperceive outside devices at the same time when it is connected with an amplifier, so it's easy to correspond the systems and use.

Description

technical field [0001] The present invention relates to the audio amplifier circuit of Azalia multimedia digital signal codec, more specifically, it is about the Azalia multimedia digital signal codec that the multimedia digital signal codec perceives the equipment connected from the socket and can judge the type of the equipment audio amplifier circuit. Background technique [0002] Multimedia equipment refers to equipment that transmits composite information such as text, sound, moving images, and still images in a single medium or is used simultaneously through a computer. The core elements of multimedia refer to digital signal processing, bidirectionality and personalization. Multimedia is characterized by diversification and compounding of media functions, two-way communication, increase in capacity / function, narrow casting, integration of information, expansion of recordability, expansion of storage capability, and the like. A plurality of sockets must be provided in...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H03F3/181
Inventor 卞敬元
Owner LEJIN ELECTRONICS KUNSHAN COMPUTER CO LTD