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Thanks for all the input. I'll check out the Lynx and RME cards. David On Aug 9, 2011, at 6:30 PM, Konrad Strauss wrote: > +1 on the Lynx cards. We have six AES16 that have been in service > for four > years now. As with all computer systems they require tweaking from > time to > time as the OS is updated, but I've found maintenance to be pretty > straight-forward. > > To answer a couple of Tom's points below, jitter is not a issue in > digital-to-digital data flow. This is called interface jitter, and > as long > as the samples arrive at their destination intact no harm is done. > (The he > other kind of jitter is called sampling jitter, it happens during > ADC and > can cause major problems) So Firewire and USB interfaces are not > necessarily bad, it really depends on the implementation. > Personally, I > dislike the cables and connectors, especially Firewire. The whole > system > seems dodgy to me. You can also run into problems if you want to use > Firewire/USB DAC and ADC units from different manufacturers, often > this is > impossible because of incompatible drivers. I much prefer to stick > with > AES. > > The interaction between audio and video subsystems is probably > caused by > an IRQ conflics. My memory is a little hazy since I haven't had to > deal > with this for a few years, but occasionally PCI slots will share the > same > IRQ address so if the audio and video card are in slots that share, > glitches can be put into the audio stream when minimizing windows or a > monitor going to sleep. Usually the recommendation is that if this > happens > try swapping PCI slots. I think that in Windows 7 you can manually > assign > IRQ addresses but like I said I haven't had to deal with this for a > while > so I may be misremembering. > > -- > Konrad Strauss > Director of Recording Arts, Professor of Music > Indiana University Jacobs School of Music > http://mypage.iu.edu/~kstrauss > http://www.music.indiana.edu/departments/academic/recording-arts/ > > > > > > > On 8/9/11 1:46 PM, "Tom Fine" <[log in to unmask]> wrote: > > Hi David: > > That's a real bummer. Those are my front-line ADC's too. > > There has been much progress in recent years with external ADC's. > However, > I keep reading articles > and papers about the USB connection not being ideal due to jitter and > latency issues. And yet, > firewire keeps getting de-emphasized by hardware manufacturers. I'm > also > not sure what role video > circuitry plays in a modern Windows system. Even thru XP, there was > some > interaction between digital > audio and the video subsystem, I'm not expert enough to discuss > details > but there are articles and > white papers out there. > > If you're doing your analog-to-digital conversion externally and then > "recording" an AES/EBU stream, > it seems like you could use a very simple interface, but again I'm not > sure how much clocking and > latency matter in that setup. > > I've had some CardDeluxe cards since 1999 and they still work fine. > Why > not just recycle them as you > upgrade computers, or are you building out more workstations and now > need > a new way to skin the cat? > > -- Tom Fine > > ----- Original Message ----- > From: "David Seubert" <[log in to unmask]> > To: <[log in to unmask]> > Sent: Tuesday, August 09, 2011 1:38 PM > Subject: [ARSCLIST] digital input sound card recommendation > > >> This discussion has come up repeatedly over the years but I just >> learned >> that the Digital Audio >> Labs CardDelux has been discontinued. I'm not sure why they have been >> discontinued, but we got a >> call from the manufacturer who said that they are "obsolete." We have >> long used their cards (we >> are a PC shop) and I need to spec out another PC-based audio >> workstation. I use the CardDelux for >> the AES/EBU digital inputs. >> >> What are people using for digital input from an external ADC these >> days? >> Is there an equivalent >> sound card to the DAL card with AES/EBU digital inputs? I know some >> ADCs >> offer firewire/USB >> outputs, but I haven't really explored that. >> >> Please send any suggestions to me on or off list. >> >> David Seubert >> UCSB >>