On 10/01/12 09:47, alsa-user-request@xxxxxxxxxxxxxxxxxxxxx wrote:
> Re: State of highspeed usb2 audio? (alexander)
UAC2 support was added to the kernel, I think 2.6.35+, in late May 2010.
It was submitted by Alex Lee to support a hamradio high end USB sound
card which also included control circuitry for the Softrock amateur
transceivers.
The project is called the SDR-Widget.
I initially confirmed it worked at 192K samplerate with my E-MU 0404 USB
as did Alex and others with SDR-Widget hardware Alpha builds.
It is in daily use by myself and others with the SDR-Widget and other
sound cards capable of 192K samplerate. It is part of USB sound.
CONFIG_SND_USB=y
CONFIG_SND_USB_AUDIO=m
# cat /proc/asound/cards
0 [SB ]: HDA-Intel - HDA ATI SB
HDA ATI SB at 0xf7cf8000 irq 16
1 [DG8SAQI2C ]: USB-Audio - DG8SAQ-I2C
www.obdev.at DG8SAQ-I2C at usb-0000:00:13.2-5,
high speed
From /var/log/boot.msg
<6>[ 4.598076] usb 2-5: new high-speed USB device number 2 using ehci_hcd
<6>[ 4.713765] usb 2-5: New USB device found, idVendor=16c0,
idProduct=05dc
<6>[ 4.713769] usb 2-5: New USB device strings: Mfr=1, Product=2,
SerialNumber=3
<6>[ 4.713771] usb 2-5: Product: DG8SAQ-I2C
<6>[ 4.713774] usb 2-5: Manufacturer: www.obdev.at
<6>[ 4.713776] usb 2-5: SerialNumber: 1.0.0.0.0.0.A
Regards
Sid.
--
Sid Boyce ... Hamradio License G3VBV, Licensed Private Pilot,
Emeritus IBM/Amdahl Mainframes and Sun/Fujitsu Servers Tech Support
Senior Staff Specialist, Cricket Coach
Microsoft Windows Free Zone - Linux used for all Computing Tasks
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