Re: Hardware Monitoring (Was: I/O Latency (Was: Layman with a mission))
Re: Hardware Monitoring (Was: I/O Latency (Was: Layman with a mission))
- Subject: Re: Hardware Monitoring (Was: I/O Latency (Was: Layman with a mission))
- From: William Stewart <email@hidden>
- Date: Thu, 14 Oct 2004 16:51:59 -0700
One other thing to bare in mind is that hardware that provides this feature
generally has a complete app to do this routing (at least, that's true of
both the MOTU 828MkII and Mobile I/O products)...
These apps are routing on the device the buses that they publish to and from
the CPU (so they see and process the entire audio contents) - if you haven't
checked these out and you have this hardware, its quite an interesting trip
:-)
Bill
On 14/10/04 2:50 PM, "John Pitcairn" <email@hidden> wrote:
> From: Jeff Moore <email@hidden>
>> Hardware monitoring has been supported since the very first release of
>> Mac OS X (actually it was supported even before that) and was improved
>> greatly in 10.3 with the addition of more kinds of controls the driver
>> can provide that modify the monitor signal path.
>
> Thanks Jeff. Can you clarify - does this allow for full matrix mixing
> under the control of the (hypothetical) app if the hardware/driver
> supports a full matrix mixer, or is it restricted to some kind of
> simpler many-to-two, or direct one-to-one input->output scheme (the
> latter being worst-case, a la the old ASIO Direct Monitoring scheme)?
>
>> Apps and drivers have yet to catch up with what the system supports in
>> this area.
>
> Indeed - a chicken and egg situation it seems. At least the next time
> someone points the finger at CoreAudio, I'll have some information to
> refute that.
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