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In Reply to: Re: Best Soundcard For SPDIF posted by laznos on October 21, 2004 at 06:02:53:
I have expereince with the RME Digi8/96 PAD. It can be modified with an aftermarket clock (I did to mine with an LC clock III). I have also purchase a Lynx L22 but did not have a chance to do any comparision as I feel that USB out is better suited for my system. I use USB out from my PC to my clock conditioner (modified to take USB) then to the rest of the playback chain. Very good. Compared to my RME setup, better vocals.However, the digital out of the RME is pretty good as well. I lived with it for the better part of this year with satifaction.
Follow Ups:
This sounds very interesting, I have never heard something like your setup before.What is this clock conditioner and how does it work?
How do you deal with lost packets and retransmissions on the USB bus?
Do you convert to S/PDIF from USB or do you have a DAC that works directly of USB?
Cheers
There is no such thing as lost packets and retransmissions on USB.I think you are confusing this with Ethernet, which does do this.
Am I?Maybe I am just not understanding the relevant sections in the USB spec correctly? I understood
"A USB Host Controller will try a transmission that encounters errors up to three times before informing the client software of the failure"
to mean what I said in my posting.
http://www.usb.org/developers/docs/usb_20.zip
Am I misinterpreting this?
Cheers
I've just checked this and you are correct and I have learned something!
Hi,I am using an Apogee Big Ben as a clock conditioner. Had Steve Nugent of Empirical Audio do the modification for me. I think what he did was to attach a M-Audio transit USB audio device directly to the toslink of the Big Ben. So, the PC outputs USB data to USB input on the Big Ben. The Big Ben outputs SPDIF to my Audio Note DAC 1.1 kit.
Note very sure of the bit on "lost packets and retransmissions on the USB bus". What I do know is that buffer size (data packets ?) & latency does have some bearing on the playback on PC.
Regards,
Joe LG
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