Sound Formats

enum SOUND_FORMAT

{

UNK_FORMAT = 0,

ULAW_8KHZ,

PCM_8KHZ,

PCM_16KHZ,

ALAW_8KHZ,

};

ULAW_8KHZ

m-law format at 8000 samples per second.
1 byte per sample.
One minute of sound occupies approximately .5 MB's of memory.
This is the standard domestic telephone format.

PCM_8KHZ

Pulse code modulated at 8000 samples per second.
2 bytes per sample.
One minute of sound occupies approximately 1 MB of memory.

PCM_16KHZ

Pulse code modulated at 16000 samples per second.
2 bytes per sample.
One minute of sound occupies approximately  2 MB's of memory.
This is the native format of the Speech Engine.

ALAW_8KHZ

a-law format at 8000 samples per second.
1 byte per sample.
One minute of sound occupies approximately .5 MB's of memory.
This is the standard international telephone format.

 

Note:

We will be adding support for more formats in near future, in particular the standard Windows wave format.


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