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Re: [newtech-1] Lousy sounding music while on hold. Why?

From: Rob F.
Sent on: Tuesday, March 4, 2008 2:29 PM
Actually, the cause of the problem doesn't necessarily have any relevance to 
PSTN vs. VoIP or codecs at all, it could simply be a matter of the original 
recording.

If the signal input levels were screwed up - to low (potentially adding 
noise) or too high/"hot" (often causes the cut-offs you described as well as 
odd sounding) - you can have the problems described.

As an aside, the term "hot" is used in reference to the input levels as the 
original analog meters would flash over into the red zone.

There is also always the chance that there is an issue with either the 
equipment involved in the playback or it's connectivity to the outgoing 
lines.

These errors can all occur in either a PSTN or VoIP environment.

r. 


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