24bit 96k vs 24bit 192k converters

Discussion in 'Converters / Interfaces' started by audiokid, Apr 15, 2011.

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  1. Michael Fossenkemper

    Michael Fossenkemper Distinguished past mastering moderator Well-Known Member

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    Maybe I'm in my own world, but I can't remember the last time I used ADAT or SPDIF. I'm all AES and so is all my gear.
     
  2. audiokid

    audiokid Chris Staff

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    How is ADAT any further ahead in channels if I am wanting to stay at 88.2 then. The raydat is no further ahead and increasing my costs to get a work clock.
     
  3. audiokid

    audiokid Chris Staff

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    Yes, this is where I've been at for years. I'm with you on that Michael but now confused that I've been missing something all these years. Now we're getting somewhere. A debate to help audiokid! Yeah! Sleepless nights coming to an end. Help!
     
  4. Michael Fossenkemper

    Michael Fossenkemper Distinguished past mastering moderator Well-Known Member

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    All my gear has BNC wordclock inputs or fed from the digital signal. I'm looking on the back of all my expensive digital mastering gear and it only has AES with BNC wordclock.
     
  5. audiokid

    audiokid Chris Staff

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    Here is what I need to connect the interface and converters to:

    http://recording.org/attachments/mixdream_rear1500-jpg.936/


    Notice that I am inserting all analog hardware via breakout cable via the MixDream's 1/8 and 9/16 inserts

    Notice that the Direct Outs go into the AD DA 25pin connection of example ADI-8 QS 25pin analog dsubs. Clean and simple.


    Notice Master Outs will go back to the DAW or further on to a Dangerous Master and then sent to a second Mastering DAW using the Lavry AD10
     

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  6. Michael Fossenkemper

    Michael Fossenkemper Distinguished past mastering moderator Well-Known Member

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    gotcha. Nice piece of gear there.
     
  7. audiokid

    audiokid Chris Staff

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    hehe... I'm smiling but so confused... Please help audiokid choose the best interface for this hybrid DAW system?
     
  8. audiokid

    audiokid Chris Staff

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    For the sake of expanding mutual interest on how the real world connects to the DAW for various, I think its safe to say "departments" mobile recording, recording studios and mastering, I found this on Iron Maiden that sheds a bit more light on MADI for live.

    I'm also thinking that ultra high end is still AES/EBU but the gap is closing in.

     
  9. audiokid

    audiokid Chris Staff

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    This may not seem related, but I think its very interesting watching the video on SPL's new NEOS, a 120 volt ( +30 ), 24 channel analog summing mixer. The great divide is beginning between ITB and OTB analog summing studios. It will be a long time before I go back to believing ITB is the summing king.

    To shake it up more... here is more interesting info worth reading:

    TECHNOLOGY

    Be sure to check out the Album of the week
     
  10. TrilliumSound

    TrilliumSound Active Member

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    Maybe about connectors but in my opinion Bits are Bits, so sound should not be affected unless there is Jitter or errors from bad wires/connectors.
     
  11. Big K

    Big K Well-Known Member

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    Out of interest, what is the signal quality difference between AES/EBU, the optical format or SPDIF at the same SR / BR?

    No, I rather don't ask... Too complex... It'll end in jitter and WC topics...
    ;-)
     
  12. audiokid

    audiokid Chris Staff

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    So from an interface purchasing decision, it all comes down to what way I want to connect my converters. Options, limitation and expanding plus software supported by the interface have nothing to do with its sound quality? Bits are bits and the clock is very important once we start expanding.

    Taking that into consideration, it goes right back at choosing a converter that connects cleanly to my hardware and anything beyond 96k is really not something I will use.

    I've baked this topic to death... Thank you everyone, you've all so helpful!!

    So, the ADI-8 QS is a better choice than Lynx being more focused on AEA/EBU. Converters between the two may be similar and the added features for the RME is what I'm paying more for.
     
  13. audiokid

    audiokid Chris Staff

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    Hi Rainer,

    This is why I' ve been asking this, and unsure, but, I believe AES/EBU is best for shorter runs and MADI is best for long. I'm looking forward to your question being discussed though,
     
  14. TrilliumSound

    TrilliumSound Active Member

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    I think this could help: S/PDIF - HwB .
     
  15. audiokid

    audiokid Chris Staff

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    MADI makes more sense but it doesn't convince me its the best for my hybrid system and the tools I current am using and planning on buying. I hope I'm not wrong.
     
  16. audiokid

    audiokid Chris Staff

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    We have the WC Jitter covered very nicely and most likely better than anywhere else on the planet with deep thanks to McEase :
    http://recording.org/diy-pro-audio-forum/45012-what-clock-jitter.html

    I'm posting out of sync with you both but after digesting the link Richard posted (thank you!) I'm still a child at this but gaining.

    I can see (correct me please) how we need two separate systems for a few reasons if we really want to tune into a tracking and "overdubbing" system vs a proficient mastering system where little concerns over latency matters. Thus, why Richard can use Firewire and why I can't. Its also why I'm leaning towards the ADI-8 QS for a balance between efficiency and sound quality. How do I know this, I don't, but I have a feeling I'm right?

    I thought about investing in 16 Lavry Blues for my DAC but I have a feeling ( tell me is I am wrong) there would be latency that I would notice. Again, I'm not even close to understanding the science here but the better the clocking, the more latency is in the specs? Am I off on this?

    Why does one converter have more latency than the other?
     
  17. TheJackAttack

    TheJackAttack Distinguished Member

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    Chris, it would be hard to go wrong with either AES or MADI as long as you have converter/connections on both ends of the cable to fit. You are correct thinking that on very long runs MADI has an advantage but on short runs it is a crapshoot near as I can tell. The quality of the wire/light pipe and the quality of the connectors are going to be far more important.

    One of the things that has been brought to my mind lately from Soap's issues with the RME is cable strain relief. All of us that have had touring rigs or live PA rigs generally had means of relieving strain on all those multi channel snake harness both at the splitter box and at the console. How many of us actually do that at home in the studio? I'd say not as often as we should. I know in the Corps I even had the studio wired with strain relief and screw down D-Subs into the patch bays to alleviate things but since I've been a Civilian I am not nearly so careful. I guess what I'm saying is that the best gear in the world can use the best wire in the world but if we don't take it easy on the jacks and plugs quality is degraded. That is especially true now that all these boxes have PCB based I/O instead of chassis mounted metal connectors with bolts and point to point wiring. Stick a firewire cable or usb cable in to a jack sometime and see if it wiggles. I bet it does.
     
  18. TheJackAttack

    TheJackAttack Distinguished Member

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    Better clocking is more accurate digital transmission. Any latency introduced is really at the computer end or any device in the middle that processes the audio. A star clocking array is the way to overcome any latency from the WC due to daisy chain.
     
  19. audiokid

    audiokid Chris Staff

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    Re cable strain: Man did you ever hit the nail on the head there. When I was recording those choirs last month I was freaking over how the firewire cable fitted into the laptop FW. What a total toy I though. Its definitely getting pitched as soon as I can afford a better laptop interface.

    For my rig, I'm going AES/EBU and very short cable. 8 ft for the AES and 3ft for the dsub snakes. . I'm almost ready to make the move.
     
  20. TheJackAttack

    TheJackAttack Distinguished Member

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    I use the SKB Studio Flyer. The firewire cable comes up through the whole and loops around once and then plugs into the Express Card providing it's own support. It's not perfect strain relief but better than hanging off the card pulling it down.
     
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    The New AT5047 Premier Studio Microphone Purity Transformed

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