Well, one extreme example is the harpsichord sample (#2) from the HA test. The original is here (http://media.xiph.org/audio/HA_2011/sample02r.wav) and you can compare the quality of Opus in the HA test (http://media.xiph.org/audio/HA_2011/Sample02_4.wav) to the experimental branch (http://jmvalin.ca/misc_stuff/sample02_coded64A.wav). Just be aware that the new VBR code actually cranks up the bit-rate to around 100 kb/s on that sample for the experimental branch (the average for many sample is still around 64 kb/s).
As for the Vega sample, I'm not sure I understand what artefact you're describing. Are you talking about noise during voiced segments or tones during unvoiced segments?
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timeasmymeasure
Re: Not sure there's improvement
Date: 2012-01-13 11:54 am (UTC)As for the Vega sample, I'm not sure I understand what artefact you're describing. Are you talking about noise during voiced segments or tones during unvoiced segments?