[Icecast] AACplus

Dennis Heerema Dennis at heerema.net
Fri Feb 25 05:46:22 PST 2005

Hi Ross,

I Agree with your statement.
I think the problem is with bringing the quality  to the same level, that 
the principal might be registered.

Although sometime back on this list sombody (Hans-Jurgen?) mentioned that it 
would be possible to implement AACplus in oddcast because oddcast is free. 

Now if that is true, technically it would be possible to use the same 
technics (SBR and PS) added on Vorbis OGG.

Kind regards,

Dennis Heerema

-----Original Message-----
From: "Ross Levis" <ross at stationplaylist.com>
To: <vorbis at xiph.org>, <icecast at xiph.org>
Date: Sat, 26 Feb 2005 00:31:11 +1300
Subject: [Icecast] AACplus

> Sorry for the crosspost but it's relevant to Vorbis and Icecast I
> believe.
> I'm seeing more and more streaming stations using AACplus, with many 
> listeners being amazed at the sound quality.  Most say that a 48kb/s
> sounds 
> better than a 128kb/s MP3, which would put Ogg Vorbis at around 96kb/s
> IMO. 
> That means only half the bitrate is required in AACplus compared to Ogg
> Vorbis for the same sound quality.  Up until this codec was available,
> Ogg 
> Vorbis compared favourably with all the others.
> Is there anything that can be done to bring Ogg Vorbis up to this type
> of 
> quality in the future, or is it about as good as it's ever going to be?
> I would rather use patent free and open codecs, but this type of
> bitrate 
> saving, particularly for streaming, cannot be ignored, and I'm
> concerned 
> that this will slow the uptake of Ogg Vorbis and may reverse it's
> popularity 
> in time.
> Ross. 
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