[Asterisk-Users] Audio level in compressed wav files

[Steven Critchfield]

On Sun, 2004-09-12 at 00:43, Andrew Kohlsmith wrote:
> On Saturday 11 September 2004 14:39, Brian Cuthie wrote:
> > Anybody know an easy way to adjust audio level of recordings made in
> > Asterisk (using the 'record' application)?  I've noticed that recordings
> > using the "wav" format are about twice the level of those made using
> > "WAV" or "wav49". Unfortunately, the "wav" recordings are uncompressed
> > and about 10 times the size of the other formats.
> 
> Well the problem isn't so much a problem as it is just the way these things 
> work.  Compressed files have smaller bytes, so they are quieter than the 
> uncompressed variety.

I hope that is meant as funny. In truth the plain WAV format bit shifts
the audio up before storage and bit shifts down before playing. No other
format does that. Look to the code for true guidance.
-- 
Steven Critchfield <critch at basesys.com>