[Icecast] AACPlus Shoutcast v1.90

[Jay Krivanek]

Yes it is 44.1kHz.  However SBR is not the original, everything higher then
22.05kHz is recreated.  Also Parametric Stereo recreates the Stereo
experience.  The actual audio data is simply a 24kbps AAC stream at 22050
mono.  Also it is by no means perfect.  The highs do have an artificial feel
to them and a little echo.  For what it is though most people don't really
get annoyed by it and are quite pleased with the feel of it.

-----Original Message-----
From: icecast-bounces at xiph.org [mailto:icecast-bounces at xiph.org] On Behalf
Of Paul Martin
Sent: Wednesday, September 07, 2005 6:43 AM
To: icecast at xiph.org
Subject: Re: [Icecast] AACPlus Shoutcast v1.90

On Tue, Sep 06, 2005 at 09:56:06PM -0500, Jay Krivanek wrote:
> Yea, don't get me wrong, ogg is definitely an awesome format but aacplus
v2
> is currently the leader in high fidelity quality at low bitrates.  24kbps
> aacplus even kicks ass in my view.

Is that 24kbps AACPLUS a full 44.1kHz stereo signal with frequencies 
preserved up to at least 15kHz? (Just curious, not criticising.)

As a datapoint, Vorbis aotuv b4 gives acceptable quality with q=-1.001 
44.1kHz stereo at approximately 44kbps.

-- 
Paul Martin <pm at zetnet.net> (work)
  <pm at nowster.zetnet.co.uk> (home)
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