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In Reply to: Re: Foo_Xover plugin answers. All of them. At once. (Long) posted by Presto on January 12, 2007 at 12:39:41:
Frank:I mentioned the two channel VST plugin for Winamp to run ONLY the Thuneau "Arbitrator" (phase correction) with OR without ASIO. Kernel streaming works well with this plugin.
http://www.savioursofsoul.de/Christian/VST/dsp_vst.zip
The author, Christian Budde, is a really smart and stand-up guy and has provided me with awesome help on other related projects.
Thanks for all your efforts Christian!
Follow Ups:
Thanks, im starting to think this project is alot more complicated then i first though. Maybe a pair of active monitors plus a sub would be easier and have a better chace of sounding good. Actve Quad12l or Paradigm 20's come up for sale once in a while. Ive always wanted a full active system ever since I heard a freinds active Linn setup years ago.
Frank:PC Audio does not have to be complicated.
For 2-channel, you either go USB or SPDIF out to a good DAC or you go with a good analog out card like the Lynx2b. Then you decide whether or not you want to use the PC for DSP upsampling, digital room correction, and/or crossover functions. If you go DSP for crossover functions, you either get a Lynx2b (and use all six channels) or Lynx AES16. Digital or analog out. Pick your poison.
Oh. By the way. I think the Lynx 2B is 2-in 6-out. I think the way they make them is 4in/4out (A model) 2in/6out (B model) and 6in/2out (C model) There *IS NO* 8 out model. So I don't understand why you are "losing 2 channels with the lynx and getting 6" thing. You never had 8 to begin with. But I do understand the losing 2 out of 6 concern. NO! I don't think you will lose two out of six with the Lynx - there are many guys tri-amping using ASIO with the Lynx but please to confirm with Jan at Thuneau before you buy. Using the Allocator requires there to be a ASIO software mixer input to which one can stream audio from an output plugin of a software player . I know guys are using the Lynx analog cards with the Allocator but I'm not sure how many channels they are using. Best is to be sure.
Now, as I said, with the X-fi, you "lose" 2 out of 8 (getting the audio stream onto the ASIO bus) but you still get six! ;) And then you STILL get full-range out of the Front left/right ANALOG output, but to use them with another crossover (or just for headphones or something) you would need to do latency compensation. The digital output is useless though - it's the input signal plus all of the individual crossover channels summed up and happening after the process delay. (The Allocator and Arbitrator processes take TIME which means using the full range input signal for additional external functions is possible but would take some delay aka latency compenstation. No big deal if you really needed it though - just dial in the some delay on the external crossover and use an impulse test to line the two up.)
For multi-channel, you once again have two choices - digial or analog out. But when it comes to the crossover game, for multi-channel I'd say it would be better to stay external - even if you are hell bent on going active UNLESS you are a PC / software / programmer guru.
Sorry for my babbling. I'm worse than ever the last few days. I've been tired, more verbose than usual (if at all possible) and retyping what I am writing and backspacing so much I think I'm getting tired of being tired.
Is that ringing inside my head? Oh. It's just the fridge. Phew.
Thanks for all the help. I think that the idea of a DIY active speaker may be a little out of my league right now anyways. But It is still a very interesting idea for the future when I have a little more expereince. I think im going to stick with a more "normal" system. Something like this1. Foobar2000 using Asio or KS for playback
2. upgrade my Xfi to a better sound card(lynx, rme, emu...)
3. Upgrade my small M-audio DX-4 with something bigger/better, I really like the sound of the Mackie 624/824
4. Queit down my pc, its a high end dual core machine and its a bit noisy, or possibly just build a new "silent" PC.
So those are my plans for the near future. And I will have the hardware in case sometime down the road I want to try out the DSP stuff like DRC, Xover, Upsampling...etc.
Thanks alot for all your help and answering my newbie questions:)
Frank:Hey no sweat Frank.
Just one thing to mention. Keep the X-Fi around. I am still not sure what the jitter situation is coming out of that card - and it *does* do SPDIF in "Audio Creation / ASIO" mode, meaning you can stream to the card using an ASIO output plugin. Otachan's ASIO output plugin has a built in Upsampler too! :o)
To be honest, I have my druthers about SPDIF out of a PC. USB is looking more and more attractive, simply because it so neatly sidesteps the jitter issue by sending only the audio data over, where it is clocked at the receiver end. SPDIF in asynchronous mode can be very jitter prone. SPDIF in synchronous mode requires hardware that can be set up in master/slave mode. Lynx cards have a sync cable, meaning that they can be operating in synchronous mode with a DAC, and the DAC can be slaved to the Lynx (or the other way around) so that you only have ONE clock source (the master). This is *allegedly* much better but is not necessarily a panacea depending on who you talk to.
But keep the X-fi. My X-fi Xtreme Music was had for $99. If it can do a decent SPDIF with ASIO it's worth keeping around. I'm gonna find out why it sounds different than my other SPDIF outs that I've experimented with. I honestly can't say whether it's worse, better or just plain different. But for some reason (probably jitter numbers) it *IS*.
Cheers,
Presto
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