[Freeswitch-users] Improve generated tones quality

[Michael Collins]

Please file this as a feature request in Jira.
-MC

On Mon, Dec 10, 2012 at 5:29 AM, Emrah <lists at kavun.ch> wrote:

> Hi list,
>
> I am experiencing a recurring problem with generated tones across
> different machines and FS versions.
>
> The start or the end of the tone is often distorted. For some interesting
> reasons, this does not happen with all equipments and not all codecs.
> Typical scenario in PCMU/A:
> If someone calls me on an inbound DID, I pick up the call and than
> transfer the call to an internal extension, the original caller will hear
> MOH followed by a ringback that starts with a sort of "fade in".
> Something similar happens with the voicemail where the end of the beep
> tone is faded out.
>
> Even though this hasn't much to do with Early Media, I tried playing with
> bridge_early_media to no avail. It added a 5 seconds latency at the start
> of my call and did not solve my issue.
>
> Your take on this would be greatly appreciated. Is there a way to fine
> tune PCMU / PCMA for better performance? Can we initiate a little buffering
> on system generated tones?
>
> Cheers,
> Emrah
> Ps: It sounds weird, but I believe this also happens if the played tone is
> an actual sound file.
> _________________________________________________________________________
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>
> 
> 
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-- 
Michael S Collins
Twitter: @mercutioviz
http://www.FreeSWITCH.org
http://www.ClueCon.com
http://www.OSTAG.org
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