On 07/28/2011 01:29 PM, Mike wrote:
I should have said I am trying this both from a landline using ulaw,
and from a Polycom phone using g729 codec. G729 is noticeablty worst,
as you`d expect, maybe this is what is reported by my customers.
Is there any way to have a "decent" g729 file, or should I just give
up and change everyone to ulaw ?
G.729 is a *speech* codec, and as such it does not handle non-speech
(music, tones, etc.) very well at all.
Hi Kevin,
I understand that perfectly, I was just wondering if there was a "less bad"
way of converting music to g729 format so people find the quality bad, but
don`t feel like cutting their ears off.
Nope; you have to select musical compositions that are 'less
incompatible' with G.729's compression methods. When we chose the
current MOH selections included with Asterisk, our initial list was much
larger, but we had to remove some because they sound terrible when
compressed with G.729.
--
Kevin P. Fleming
Digium, Inc. | Director of Software Technologies
Jabber: [email protected] | SIP: [email protected] | Skype: kpfleming
445 Jan Davis Drive NW - Huntsville, AL 35806 - USA
Check us out at www.digium.com & www.asterisk.org
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