Re: Which USB devices are recognized, and how?
Re: Which USB devices are recognized, and how?
- Subject: Re: Which USB devices are recognized, and how?
- From: Jeff Moore <email@hidden>
- Date: Wed, 09 Jan 2002 12:19:28 -0800
on 1/9/02 12:08 AM, Stefan Haller <email@hidden> wrote:
>
Who or what determines whether a USB audio device is recognized by
>
CoreAudio or not?
The HAL presents each IOAudioEngine object attached to each IOAudioDevice
object in the driver as it's concept of a device.
>
I was trying the Emagic emi 2|6, and it doesn't show up in the device
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list. (DisplayHALDeviceInfo from the CoreAudio sample code doesn't show
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it either.)
>
>
However, one of our beta testers told me that it does show up for him.
>
How can this be? We are both using 10.1.2.
Last I checked, the EMI requires a kernel extension that uploads its
firmware to it before it will be recognized as a USB audio device. I would
get in touch with Emagic about it.
--
Jeff Moore
Core Audio
Apple