[Asterisk-Users] G729 vs. gsm

[Tim Pushor]

Its obvious that Steve never looses, even when he's wrong, so arguing 
about it to him won't get anywhere.

As for g729, I was pleasantly surprised by the quality.

I may be old fashioned, but the purpose of my phone system is to 
communicate voice with other people, mostly in a business environment 
(low background noise). MY perception is that it works very well, much 
better than I had anticipated. In fact, it allowed me to drop a nice IP 
phone at one of my customers premises that have a less than stellar 
internet connection (ulaw was stutter city), with no outbound shaping.

I don't care about what anyone else says, I am impressed with g729 and 
if it weren't for 1) the cost of transcoding and 2) the lack of g729 on 
FreeBSD I'd be using it more.

Just my (humble) $0.02 CDN

Tim


Rusty Shackleford wrote:

>>-----Original Message-----
>>From: asterisk-users-bounces at lists.digium.com 
>>[mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of 
>>Steve Underwood
>>Sent: Friday, May 27, 2005 6:40 PM
>>To: Asterisk Users Mailing List - Non-Commercial Discussion
>>Subject: Re: [Asterisk-Users] G729 vs. gsm
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>>Well, it does to anyone without hearing damage. It sounds 
>>very obviously different.
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>Different, yes, but to what degree is an entirely subjective judgement.
>Ergo, your judgement of "...very obviously different..." is valid only
>for you.
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>>>Please do not get me wrong that G711u sounds better through the
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>PSTN.
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>>>Thats a given! You can't convert G729 up and down to G711 and expect
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>>>the sound quality to be there.
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>>This is meaningless drivel.
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>Hardly. Each conversion introduces the equivalent of "gen loss". Two
>such conversions are easily encountered, especially when dealing with a
>third-party network, and will produce (in MY subjective opinion)
>positively crappy sound. 
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>>Since it doesn't correlate with the impression of even the 
>>developers of 
>>G.729, it *is* bad information. Realistic people know G.729 will be 
>>worse. What they need is meaningful guidance as to just how much.
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>Yes, and your guidance is oh-so-meaningful. 
><roll eyes>
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