Differences

This shows you the differences between two versions of the page.

--- ubuntu_spdif [2009/10/30 09:42] – created suapapa
+++ ubuntu_spdif [2013/08/03 05:04] (current) – external edit 127.0.0.1
@@ Line 1: / Line 1: @@
 우분투 리눅스 spdif 설정법
+<code bash>
+$ aplay -l
+**** PLAYBACK 하드웨어 장치 목록 ****
+카드: CK804 [NVidia CK804], 0 장치: Intel ICH [NVidia CK804]
+  하위장치: 1/1
+  하위장치 #0: subdevice #0
+카드: CK804 [NVidia CK804], 2 장치: Intel ICH - IEC958 [NVidia CK804 - IEC958]
+  하위장치: 1/1
+  하위장치 #0: subdevice #0
+$ aplay -L
+front:CARD=CK804,DEV=0
+    NVidia CK804, NVidia CK804
+    Front speakers
+    ...
+iec958:CARD=CK804,DEV=0
+    NVidia CK804, NVidia CK804 - IEC958
+    IEC958 (S/PDIF) Digital Audio Output
+null
+    Discard all samples (playback) or generate zero samples (capture)
+$ cat /proc/asound/devices
+:        : timer
+:        : sequencer
+: [ 0- 2]: digital audio playback
+: [ 0- 1]: digital audio capture
+: [ 0- 0]: digital audio playback
+: [ 0- 0]: digital audio capture
+: [ 0]   : control
+</code>
+위 정보에서 spdif passthrough 는 hw=0.2(또는 0)라고 판단됨. 다음 명령어로 mplayer 실행
+DD
+<code>
+mplayer -ac hwac3 -ao alsa:device=hw=0.1
+</code>
+DTS
+<code>
+mplayer -ac hwdts -ao alsa:device=hw=0.1
+</code>
   *[[http://alsa.opensrc.org/index.php/DigitalOut|DigitalOut]]