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AMBE programming?

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Dec 31, 2013
this is my first posting. My Question is i would like to understand how the AMBE Vocoder works and would like to make a C programmed code for this. I understand that first the Sampled Audio for example 16kHz Sampled will be Analyzed. This Analyzing results in more coefficients. This coefficients are not the Function what i read here in the web.

Now my Question can anyone tell me how i Analyze this sampled Audiodatas and how?
A math background would be nice.

I think that all this analysing a Sampled Signal and searching the coefficents is in all the Systems the same but from one to a other System the coefficents are more or less in there Signals. Maybe a other Format that will be used.

Do anyone have programmed a Vocoder like this AMBE or AMBE+2?

Please tell me some links i'm searching in Google but i found only so complex inforamtions that i can'tu understand.

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