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Re: Can we implement USB Audio Device over Bulk endpoints instead of ISOCH endpoint.

 
 
Tim Roberts
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      05-28-2010
vinai <> wrote:
>
>I Have a device controller with Control, Bulk, Interrupt endpoints, it
>does not have any ISOCH endpoint. Can I stream the USB Audio
>over bulk endpoint.
>
>If we can, then the existing usb audio class drivers will work with
>this kind of device.


It is possible, of course, to build a USB audio device using a bulk pipe.
However, the USB Audio Class spec requires an isochronous pipe. So, if you
build one like that, the Audio Class drivers will not drive it. You would
need a fully custom driver.
--
Tim Roberts,
Providenza & Boekelheide, Inc.
 
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