Looking for some basic audio codec information

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danesh

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lama mp3 codec

well im doing project on codec. Do anyone have basic codec information especially on audio codec. It would be helpful if explaination done hw raw voice signal from mike change into digital form on codec IC.


regards

danesh


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/pisoiu
 

Re: codec

 

codec

Hi komi he is talking about the hardware audio codec chip not the software compression codec like mp3,oog etc .
codec ic is nothing put a successive approximation adc whose sampling rate is fixed at standard audio frequencies so it will be running at prefixed sampling rate fixed by either hardware pin or software configurable in their control registers (mostly through SPI Port) so you have to read from the adc (codec) at regular interval either by a interrupt or software scheduling.
 

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