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special drivers for USB DACs - what's the point? - Page 2

post #16 of 20

I've had a few embedded developer boards from Renesas (RX62n), STM (STM32F2 & F4 Cortex-M4) & TI (Stellaris Cortex-M3) plugged into this PC over the while, a few of those have had an I2S bus available so it is possible a driver might have been installed with the IDE packages. :D

 

I took the unit over to a friends house and it showed up as "Speakers" as well on his OSX 10.6.8 which already has USB Audio 2 by default I understand.

post #17 of 20

Generic usb drivers (native windows drivers) doesn't support anything over than 16 bit, 48 khz. That's why it's important to use the manufacturer provided drivers for higher resolutions. 

post #18 of 20
USB Audio 1 spec is 24/96 is it not? Windows 7 supports that out if the box with my E17 UA1 device.
post #19 of 20
Quote:
Originally Posted by TrollDragon View Post
 

I've had a few embedded developer boards from Renesas (RX62n), STM (STM32F2 & F4 Cortex-M4) & TI (Stellaris Cortex-M3) plugged into this PC over the while, a few of those have had an I2S bus available so it is possible a driver might have been installed with the IDE packages. :D

 

I took the unit over to a friends house and it showed up as "Speakers" as well on his OSX 10.6.8 which already has USB Audio 2 by default I understand.


Maybe it's reporting as a generic soundcard rather than a USB Audio Class 2 device? I really couldn't say.

Windows definitely does not support UAC2 devices without installing a driver first though.

 

Quote:
Originally Posted by TrollDragon View Post

USB Audio 1 spec is 24/96 is it not? Windows 7 supports that out if the box with my E17 UA1 device.


Yes, Windows will do 24/96 with UAC1 devices. (or devices running in UAC1 mode)

post #20 of 20

windows 8.1 seemed to have a built in usb audio class 2 driver for my dac that used a cmedia cm6631a usb receiver chip..  

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