[asterisk-users] Cannot play soundfile, doesnt find it or wrong format? Weird, worked yesterday! :-)

[Tzafrir Cohen]

On Thu, Aug 20, 2009 at 10:55:50AM -0500, Danny Nicholas wrote:

> BTW,  you eat CPU trying to play
> wav files across channels (gsm is preferable (IMO) )

Huh? I assume that by "wav" you refer to a standard WAV/RIFF file. This
is basically a simple PCM file with a short header. 

gsm is a compressed format, which means lower quality (with gsm the
quality is noticably lower than plain 8kHz audio). It also means that
unless your target cchannel is in gsm format, there'll be more
transcoding done along the way and hence more CPU time eaten.

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               Tzafrir Cohen
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