[linux-audio-user] Re: Sample Rates / Sample Sizes

Steve Harris S.W.Harris at ecs.soton.ac.uk
Thu Jun 24 13:04:04 EDT 2004


On Thu, Jun 24, 2004 at 09:52:54 -0700, Mark Knecht wrote:
> Steve,
>    I misspoke really. I guess I should have just said Linux/Alsa/Jack 
> dithering solutions. It's sort of immaterial to me whether dither is 
> done within LADSPA as an output plugin in Ardour or done somewhere else 
> like Jamin where maybe it's totally built in. My comment was intended to 
> acknowledge my lack of specific technical knowledge in the environment 
> that most people on this list work in. Clearly the idea that there is a 
> float t int conversaion taking place is I guess pretty obvious when you 
> talk about dithering, even to me, but LADSPA internals are certainly not 
> my forte! ;-)
> 
>    Thanks for the clarifications though. It does raise an interesting 
> difference between something like Ardour, I guess, and Pro Tools where I 
> can insert a dithering plugin pretty much anyplace in the signal chain 
> if I choose to. Maybe the RTAS standard makes some decision to go to int 
> based on where the output is going? I don't know.

I suspect that the difference is that in RTAS the conversion is specified
(well, as theres only one host, it /is/ specified ;).

- Steve



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