OS/2, eCS & ArcaOS - Technical > Hardware

USB 12.07 stack - Audio Clicking Issue

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Lars:

--- Quote from: Igor on August 19, 2020, 01:39:10 pm ---Version 12.07 looks much better. However, the problem with the quality of USB sound has not been fully resolved.
The new version does not lose data anymore, but the sound is choppy. It's like listening to a clipped vinyl record with clicks. Obviously, by the time the playback of the data packet is completed, the next one does not have time to arrive.
Most likely this is a problem in the ECHI driver that they tried to solve. I advise developers to rely on the experience of the 16-bit version. These problems are not there...

--- End quote ---

Does USB audio also properly work with the 11.17 EHCI driver (or the 11.17 driver set in its entirety) ? If yes, that should give David some good hint of what to change.

Igor:

--- Quote from: Lars on August 21, 2020, 07:33:37 pm ---Does USB audio also properly work with the 11.17 EHCI driver (or the 11.17 driver set in its entirety) ? If yes, that should give David some good hint of what to change.

--- End quote ---
I have installed and tested version 11.17. The version 11.17 stack works correctly and the sound is not interrupted or spoiled. The problem is only in version 12.xx.

Igor:

--- Quote from: Remy on August 21, 2020, 10:16:09 am ---Which usb driver do you load :
BASEDEV=USBXHCD.SYS  ?
BASEDEV=USBEHCD.SYS  ?

Did you a try loading USBEHCD only ?
Regards

--- End quote ---
I not use USBXHCD. USBUHCD and USBEHCD only.

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