Re: Emagic EMI 2|6 drivers?
Re: Emagic EMI 2|6 drivers?
- Subject: Re: Emagic EMI 2|6 drivers?
- From: Bill Stewart <email@hidden>
- Date: Mon, 13 May 2002 17:53:05 -0700
on 13/5/02 3:16 PM, Brian Willoughby wrote:
>
Kurt,
>
>
[ I do not have a >2 channel device that works on OS X yet, and not
>
[ understanding this issue affects my potential decision to buy one.
>
>
As long as you have a driver (either the built-in support for USB-Audio, or a
>
device-specific driver), you should not hold back buying a multi-channel
>
device. It might be tricky determining which devices out there genuinely
>
support USB-Audio, but devices like the eMagic EMI 2|6 which have a specific
>
driver available from the vendor are a sure bet. Go for it!
Actually - the EMI uses Apple's AudioUSBDriver - the EMI kext is a firmware
update only. (which tends to imply that *any* USB Audio Spec compliant
device should work just as well).
>
[ Does the Daisy workaround enable apps that use the default audio
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[ unit for output to see more than 2 channels?
>
>
Yes, my app is painfully simple. It opens the default audio output unit and
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merely pays attention to the parameters passed in the callback. So long as
>
the
>
application is prepared to provide more than 2 channels, it will work when you
>
use Daisy to select and configure a multi-channel device.
Yes it does. We have addressed this problem with an Application Utility for
Jaguar to present a more focussed interface to deal with these issues.
>
[ Do apps that use the HAL directly not need the workaround or does
>
[ the problem still apply for them?
>
>
Apps are free to do exactly what Daisy does. In fact, that's the whole reason
>
that the Daisy source code is provided - so developers can see how to
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configure everything under user control. It might eventually become redundant
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if the System Preferences finally provide access to everything, but then
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again,
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your application may not want to use the default device. Good UI design would
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place the HAL controls in a dialog that is out of the way for users who are
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satisfied with the default settings.
>
>
BTW, when I said "workaround" I meant that Daisy is a workaround for the
>
missing features in System Preferences. There aren't any problems in
>
CoreAudio
>
or the HAL that require Daisy to fix (so far as I know).
Bill
mailto:email@hidden
tel: +1 408 974 4056
__________________________________________________________________________
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