[vorbis-dev] Re: Choice of content [was constant low-bitrate for streaming test

[Kevin Marks]

At 11:12 pm +0000 15/3/01, Segher Boessenkool wrote:
>Kevin Marks wrote:
>
>>  So what is Monty's taste in music?
>
>I don't think you really want to know that :-)
>
>But he has better taste than me, of course...

Pathological content of the day:
 From [someone at NASA]

>I'm trying to stream the sound of Earth's ionosphere. The sound is 
>mostly pops and buzzes (spherics and tweeters) and sort of 
>random-sounding noise.
>
>The best I seem to be able to get out of [Qdesign] sounds like I'm 
>in a big garbage can.
>
>I have a short sample of what the sound is really like at 
>http://science.nasa.gov/inspire.wav (for wav). The encoded stream is 
>at http://science.nasa.gov/inspire.mov.
>
>Any ideas on how I could do better? I'm using the QDesign Music 2 
>codec, using various different settings (22 and 44 kHz mono, 16bit 
>sample size).
>
>I just downloaded MacAmp, and started a stream running through a 
>shoutcast server. The stream is at 
>http://shoutcast.msfc.nasa.gov:8002/listen.pls and is a streaming 
>MP3 that iTunes can play well enough. It really sounds pretty much 
>like what I hear before encoding, and is a 24kbps stream -- not too 
>bad bandwidth-wise.

For this content, the best sounding codec at low bitrates is Apple 
MACE 3:1; maybe something wavelet-based would work better.

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