Re: [codec] comparitive quality testing
Steve Underwood <steveu@coppice.org> Fri, 15 April 2011 17:14 UTC
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Date: Sat, 16 Apr 2011 01:14:25 +0800
From: Steve Underwood <steveu@coppice.org>
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Subject: Re: [codec] comparitive quality testing
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Hi Roman, On 04/16/2011 01:01 AM, Roman Shpount wrote: > David, > > We should compare with standard G.729 (not A or B) at 8 kbit/s, 0 and > 5% packet loss, clean speech and speech mixed with at least one noise > sample. We can use ITU-T audio library for both speech and noise samples. > _____________ > Roman Shpount I fully agree that G.729 should be tested without the B annex, but I think your other choice is questionable. G.729 may sound distinctly better than G.729A, but G.729A is the dominant codec in the real world. Basic G.729 is actually quite rare. Are you trying to test against what people are familiar with, or what a pretty good current generation 8kbps codec can achieve? Steve
- [codec] comparitive quality testing Gregory Maxwell
- Re: [codec] comparitive quality testing Roman Shpount
- Re: [codec] comparitive quality testing Cullen Jennings
- Re: [codec] comparitive quality testing Roman Shpount
- Re: [codec] comparitive quality testing David Virette
- Re: [codec] comparitive quality testing Roman Shpount
- Re: [codec] comparitive quality testing Steve Underwood
- Re: [codec] comparitive quality testing Roman Shpount
- Re: [codec] comparitive quality testing Cullen Jennings
- Re: [codec] comparitive quality testing Alan Duric
- Re: [codec] comparitive quality testing Anisse Taleb
- Re: [codec] comparitive quality testing Monty Montgomery
- Re: [codec] comparitive quality testing Roman Shpount
- Re: [codec] comparitive quality testing Stephan Wenger
- Re: [codec] comparitive quality testing Steve Underwood
- Re: [codec] comparitive quality testing Roman Shpount
- Re: [codec] comparitive quality testing Roman Shpount
- Re: [codec] comparitive quality testing Cullen Jennings
- Re: [codec] comparitive quality testing Alan Duric
- Re: [codec] comparitive quality testing Roman Shpount
- Re: [codec] comparitive quality testing Roman Shpount
- [codec] iLBC deployment statistics (Re: compariti… Harald Alvestrand
- [codec] Deployment of iLBC Re: comparitive qualit… Cullen Jennings
- Re: [codec] comparitive quality testing: vote to … Jean-Francois Mule
- Re: [codec] comparitive quality testing: vote to … Roman Shpount