Re: [codec] Tübingen Test plan
"Benjamin M. Schwartz" <bmschwar@fas.harvard.edu> Mon, 15 August 2011 17:59 UTC
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Date: Mon, 15 Aug 2011 14:00:09 -0400
From: "Benjamin M. Schwartz" <bmschwar@fas.harvard.edu>
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To: Christian Hoene <hoene@uni-tuebingen.de>
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Cc: codec@ietf.org
Subject: Re: [codec] Tübingen Test plan
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> What audio bandwidths are you planning to use for the Opus test cases? > > */[Christian Hoene] Actually, Opus selects the mode by itself. I have > printed out the following data/* ... > */Mode HYBRID bitRate 32000 fs 48000 channels 2 framesize 960/* > > */Mode SILK bitRate 16000 fs 48000 channels 2 framesize 960/* I'm not sure what you mean by "printed out" ... but bear in mind that Opus always supports a samplerate (fs) of 48000, regardless of the audio bandwidth. I believe the current encoder's bandwidth-selection heuristics would code 16kbps stereo Silk at Narrowband (4 kHz bandpass), and 32kbps stereo Hybrid at Superwideband (12 kHz bandpass). --Ben
- [codec] Tübingen Test plan Christian Hoene
- Re: [codec] Tübingen Test plan Christian Hoene
- Re: [codec] Tübingen Test plan Koen Vos
- Re: [codec] Tübingen Test plan Christian Hoene
- Re: [codec] Tübingen Test plan Benjamin M. Schwartz