Icecast - Aug 2004 - Multiple streams for different quality settings ?

Hi,

I would like to send 3 streams to my server, three times exactly the
same audio but with different quality setting to get a low, medium and
high quality stream.
I've got icecast2 setup on a debian server and I'm streaming ogg with
oddcast from winamp, everything's working just fine.
Is there another win32 package to get this done ? We are going to do
live audio in the end so we could use a dedicated linux box as well.

Wouter,

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Hi:

It can definitely be done with ices2 under linux.  Let me know if you'd
like to see a config.  We have an automated stream running at 3 seperate
bitrates, but the same could just as easily be done with the live input
section.

Geoff.

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Geoff Shang <gshang@uq.net.au>
ICQ number 43634701

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Hello,

Yes, I would very much like to see your config. How is the ACL actually
done in icecast2 or does it rely entirly on tcp wrappers ? Because
bandwidth is expensive in Europe I want some kind of 'frequent
listeners' system that offers a better quality stream to the more loyal
listeners.

Thanks already,

Wouter
> -----Original Message-----
> From: owner-icecast@xiph.org [mailto:owner-icecast@xiph.org] 
> On Behalf Of Geoff Shang
> Sent: maandag 14 oktober 2002 3:00
> To: icecast@xiph.org
> Subject: Re: [icecast] Multiple streams for different quality 
> settings ?
> 
> 
> Hi:
> 
> It can definitely be done with ices2 under linux.  Let me 
> know if you'd like to see a config.  We have an automated 
> stream running at 3 seperate bitrates, but the same could 
> just as easily be done with the live input section.
> 
> Geoff.
> 
> 
> -- 
> Geoff Shang <gshang@uq.net.au>
> ICQ number 43634701
> 
> Make sure your E-mail can be read by everyone! 
> http://www.betips.net/etc/evilmail.html
> 
> Please avoid sending 
> me Word or PowerPoint attachments.
> See http://www.fsf.org/philosophy/no-word-attachments.html
> 
> 
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Wouter Cuypers wrote:
> Hi,
> 
> I would like to send 3 streams to my server, three times exactly the
> same audio but with different quality setting to get a low, medium and
> high quality stream.
> I've got icecast2 setup on a debian server and I'm streaming ogg
with
> oddcast from winamp, everything's working just fine.
> Is there another win32 package to get this done ? We are going to do
> live audio in the end so we could use a dedicated linux box as well.
darkice is able to do this job when using linux and live audio input.

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At 08:58 AM 10/14/2002 +0200, you wrote:
>Wouter Cuypers wrote:
>>Hi,
>>I would like to send 3 streams to my server, three times exactly the
>>same audio but with different quality setting to get a low, medium and
>>high quality stream.
>>I've got icecast2 setup on a debian server and I'm streaming ogg
with
>>oddcast from winamp, everything's working just fine.
>>Is there another win32 package to get this done ? We are going to do
>>live audio in the end so we could use a dedicated linux box as well.
I've written a stream transcoder which you could also use, you can run it 
in GUI (win32/unix) or command-line mode and it's job is to do just what 
you want, transcode the stream from one bitrate to another.  Essentially, 
you'd send one stream (highest quality) to your server, and then at the 
server you would run 2 instances of the transcoder, it listens in just like 
a listener and transcodes the stream to any bitrate/samplerate you want 
(and format too - i.e. you can go from MP3 to Vorbis, etc.)  A few people I 
know are using it just for this purpose (to provide lower quality streams 
of their main high quaity streams)...Obviously there are caveats, such as 
transcoding doesn't come free, and does take quite a bit of CPU, which you 
may or may not want on your streaming server...But you do get the added 
flexibility of using whatever source client you want to use (as opposed to 
one that supports multiple streams)...And if you bandwith is limited at 
your source stream (quite often people simply using their home DSL or 
cable) then sending 3 streams of varying bitrates sometimes is just not an 
option....

anyway, if you want to get it, http://transcoder.sourceforge.net

oddsock

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