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Opus (CELT) demo page 2: Listening tests

Greg Maxwell has just posted a nice second 'demo' page for Opus. It mostly covers the recent listening testing done by volunteers at Hydrogen Audio. Pretty colors and interactive listening/comaprison scripting!

For those of you new to Opus, it's the FOSS/RF codec we're working on within the IETF codec working group. Opus is a collaborative hybrid speech / high-fidelity audio codec built using primarily Xiph's CELT codec and the Skype SILK voice codec as inputs. That makes Opus similar in some ways to what MPEG is trying to achieve with USAC (Unified Speech and Audio Coding), though Opus is also ultra-low latency, so it looks like we're considerably ahead of MPEG here.

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