Posts by reno

    USB isn't fit for purpose for an audio interface for many reasons - but these all pretty much go away when you get a dedicated device (apart from lack of DMA, which kinda destroys the taking the load off the CPU argument for using the virus...).

    Well, tell this to RME who just released a USB version of the Fireface that has better latency than the Firewire FF400, according to them :)

    Sounds like a hardware issue to me... especially since it also crashes in standalone mode : everything you describe used to happen in the early (2005 ish) TI OS versions, hardly anymore in 3.0 ...

    But anyway, I think tech support will give you a better answer than anyone of us here :)

    Since going back to Leopard is too much of a pain, I'm still experimenting with workarounds while waiting for 10.6 support :

    I've found that JackOSX can help with apps like VLC that allow you to pick your audio interface, but don't directly work with the Virus this way for some reason...

    Put JackOSX in between : install it, pick the Virus TI CoreAudio driver in the Jack preferences, then pick JackRouter as the audio device in VLC, and here goes !

    JackOSX 0.82 has itself the exact same issue as the Virus TI driver : it's not yet Snow Leopard aware, so you can't set it as the default/system audio device yet.
    But it's Open Source software, so I'm currently trying to build a 64-bit version of the JackRouter component...

    I hope Access beats me to it with proper 10.6/64-bit support in the TI drivers, though ;)

    offline means it have to run faster than normal 1x speed... means it have to stream out more data from that tiny usb1 port...
    ... impossible to do, we need VirusTI3 with usb2.0 for that...

    Offline just means "as fast as you can compute it, regardless of a clock".
    Obviously a TI/TI2 would have the raw power to compute and transfer a single part way faster than realtime, even over 12Mbps USB.
    Except that it's not how DSP-based systems work, to the best of my knowledge (I'm not a DSP engineer either) they always work in realtime, in sync with a clock.

    it would all be solved very simply with a softsynth version of the virus...

    the bandwith restrictions are a result of a poor design decision imho..

    USB 2.0 was a well established standard at the time of release .

    I think all is not that easy ...

    However, about the technical impossibility : I know there are plugins that communicate between the different instances (e.g. for sidechaining). Wouldn't it be possible to have one "master" VC instance manage all the streams to the Virus, and the other instances just accepting automation and sending it to the master instance ?


    I'm an early (too early :rolleyes: ) adopter of Snow Leopard, and here's my experience with OS 3.0.5 so far.
    I have already discussed this privately with Marc and Access support, I'm posting this here so that people know what to expect when they consider upgrading to 10.6 in a few weeks.

    Summary : 10.6 is not supported with TI OS 3.0.5, but I was still able to use VC, and the Virus TI as my audio interface in Logic 9 almost normally !

    There are limitations however : apparently you should have the Virus plugged-in at system startup to have it recognized.
    And most importantly, it seems impossible to use the Virus as your audio interface with applications that don't allow you to pick an audio device, but just use the system default (e.g. iTunes).
    The reason for this, is that the Virus isn't listed as an audio interface in the Audio/Midi Setup App, except if you force that app to run in 32-bit mode (see its properties in Finder). And even then, you still can't select it as your default output/input.

    I should mention that I'm running Snow Leopard in 32-bit kernel mode (go to the "software" section in the system profiler app to check whether that's your case).
    So it's not really that 3.0.5 is already 64-bit ready, it's just that 10.6 in 32-bit mode "tolerates" some 32-bit components of drivers to work (VC, since Logic 9 is 32-bit anyway, the CoreMidi and part of the CoreAudio driver)

    In short : although it's not supported, in my own experience if you have another audio interface that is working under 10.6 already, and you are not using a 64-bit host sequencer (are there any on the Mac anyway ? Cubase ?), and you're ok with your Snow Leopard kernel running in 32-bit mode, then you can upgrade to 10.6 and use your TI with VC in the current 3.0.5 release.
    Of course, this is not recommended by Access and is my own experience, YMMV ...