DAC
aplay -v -D plughw:1,0 test192.wav
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
Usando il comando aplay -l identificare la scheda con SPDIF, ad esempio card1
Trovare il nome della scheda
cat /proc/asound/card1/id ...
Creare ~/.asoundrc mettendo al posto di DAC il nome trovato nel punto precedente
pcm.DAC { type hw card "DAC" } ctl.!default { type hw card "DAC" } pcm.!default { type plug slave { pcm "DAC" rate "unchanged" } }
suonare con
aplay file
verificare con
watch cat /proc/asound/card1/pcm3p/sub0/hw_params
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
hifiberry
rasberry
/boot/config.txt
dtparam=i2c_arm=on #dtparam=audio=on dtoverlay=hifiberry-digi
/etc/asound.conf
pcm.!default { type hw card 0 } ctl.!default { type hw card 0 }