tips:dac

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tips:dac [2016/05/18 21:25] – scipiotips:dac [2016/07/27 20:00] (current) – [REGA] scipio
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 ====== DAC ====== ====== DAC ======
 +
 +  * [[http://r3dux.org/2013/12/how-to-enable-high-quality-audio-in-linux/|interesting]]
 +
 +<code>
 +aplay -v -D plughw:1,0 test192.wav
 +</code>
 +
  
 <code> <code>
Line 20: Line 27:
 <code> <code>
 pactl list short sinks pactl list short sinks
 +</code>
 +
 +
 +<code>
 +for card in `aplay -L | grep "CARD=DAC"`; do echo ./hw_params $card; ./hw_params $card | grep Sample; sleep 1; done
 +</code>
 +
 +===== E5 =====
 +
 +<code>
 +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
 +</code>
 +
 +===== REGA =====
 +
 +Usando il comando aplay -l identificare la scheda con SPDIF, ad esempio card1
 +
 +Trovare il nome della scheda
 +<code>
 +cat /proc/asound/card1/id 
 +...
 +</code>
 +
 +Creare ~/.asoundrc mettendo al posto di DAC il nome trovato nel punto precedente
 +<code>
 +pcm.DAC {
 +    type hw
 +    card "DAC"
 +}
 +
 +ctl.!default {
 +    type hw
 +    card "DAC"
 +}
 +
 +pcm.!default {
 +    type plug
 +    slave {
 +        pcm "DAC"
 +        rate "unchanged"
 +    }
 +}
 +</code>
 +
 +suonare con
 +<code>
 +aplay file
 +</code>
 +
 +verificare con
 +<code>
 +watch cat /proc/asound/card1/pcm3p/sub0/hw_params
 +</code>
 +
 +<code>
 +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
 +</code>
 +
 +===== hifiberry =====
 +
 +==== rasberry ====
 +
 +/boot/config.txt
 +<code>
 +dtparam=i2c_arm=on
 +#dtparam=audio=on
 +dtoverlay=hifiberry-digi
 +</code>
 +
 +/etc/asound.conf
 +<code>
 +pcm.!default  {
 + type hw card 0
 +}
 +ctl.!default {
 + type hw card 0
 +}
 </code> </code>
  
  • tips/dac.1463599540.txt.gz
  • Last modified: 2016/05/18 21:25
  • by scipio