I need to convert some hi res audio files to u-law compression. I find no documentation on this- I'm almost certain the codec is there on Windows machines, but how the heck do I access it?
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What language, framework, etc. are you using? Are you just looking for a Win32 function? – Michael Petrotta Oct 16 '12 at 01:22
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Code is in C, I'm using WASAPI calls and the current Visual Studio. – TomJeffries Oct 16 '12 at 02:44
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Yes the codec is there, however it is outside of WASAPI. APIs that deal with codecs are:
- Audio Compression Manager
- DirectShow
- Media Foundation
Not sure about the latter, however the first two have the μ-law encoder readily available (the codec itself has ACM interface, and DirectShow offers a wrapper over it).
Roman R.
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