DAC

interesting

aplay -l [-L]

flac -d 01-Wednesday\ Night\ Prayer\ Meeting.flac -c | aplay --device=hw:1,0

cat /proc/asound/card1/pcm0p/sub0/*

pacmd list-sinks

pactl list short sinks

for card in `aplay -L | grep "CARD=DAC"`; do echo ./hw_params $card; ./hw_params $card | grep Sample; sleep 1; done

E5

cat /proc/asound/card3/stream0
Creative Technology Ltd Sound Blaster E5 at usb-0000:02:00.0-1.1.2, high speed : USB Audio
Playback:
Status: Stop
Interface 1
Altset 1
Format: S24_3LE
Channels: 2
Endpoint: 1 OUT (ASYNC)
Rates: 44100, 48000, 88200, 96000
Data packet interval: 500 us

REGA

Burr-Brown from TI USB Audio DAC at usb-0000:02:00.0-1.1.4.4, full speed : USB Audio
Playback:
Status: Stop
Interface 1
Altset 1
Format: S16_LE
Channels: 2
Endpoint: 2 OUT (ADAPTIVE)
Rates: 32000, 44100, 48000
Interface 1
Altset 2
Format: S16_LE
Channels: 1
Endpoint: 2 OUT (ADAPTIVE)
Rates: 32000, 44100, 48000