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I've just installed Arch on a new computer (been using the OS for about 6 months) and I've got a problem with sound devices that I've not come across before. I'm using SPDIF output to run the sound to my speakers, and everything works fine as long as only one application is playing any sound. However, if I'm playing a track on Rhythmbox and I get a sound alert from an IM program, or if I inadvertently open a YouTube video while Rhythmbox is playing, then all audio from Rhythmbox stops and the new application takes over. The only way to have Rhythmbox begin playing again is to shut the application down and reopen it.
aplay -L gives:
null
Discard all samples (playback) or generate zero samples (capture)
front:CARD=SB,DEV=0
HDA ATI SB, VT2020 Analog
Front speakers
surround40:CARD=SB,DEV=0
HDA ATI SB, VT2020 Analog
4.0 Surround output to Front and Rear speakers
surround41:CARD=SB,DEV=0
HDA ATI SB, VT2020 Analog
4.1 Surround output to Front, Rear and Subwoofer speakers
surround50:CARD=SB,DEV=0
HDA ATI SB, VT2020 Analog
5.0 Surround output to Front, Center and Rear speakers
surround51:CARD=SB,DEV=0
HDA ATI SB, VT2020 Analog
5.1 Surround output to Front, Center, Rear and Subwoofer speakers
surround71:CARD=SB,DEV=0
HDA ATI SB, VT2020 Analog
7.1 Surround output to Front, Center, Side, Rear and Woofer speakers
iec958:CARD=SB,DEV=0
HDA ATI SB, VT2020 Digital
IEC958 (S/PDIF) Digital Audio Output
hdmi:CARD=Generic,DEV=0
HD-Audio Generic, HDMI 0
HDMI Audio Output
hdmi:CARD=Generic_1,DEV=0
HD-Audio Generic, HDMI 0
HDMI Audio Output
I've never had this problem before, and I try to keep my installation quite simple so that I don't get lost, but I'm struggling with this one. Any ideas?
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Alsa is kind of difficult to configure for audio from multiple programs. Do you have pulseaudio?
Lenovo Y450 + Arch x86_64 dual boot with Windows 7 + Openbox standalone + Arch default kernel + Nouveau + yours truly = A lot of *****in' in the Arch Forums.
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Not as far as I know, I'll give it a go now.
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Ok, I have pulseaudio, but I'm not sure if it's configured to do anything as of yet.
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Try reading the wiki article on pulseaudio. That should have you going.
Lenovo Y450 + Arch x86_64 dual boot with Windows 7 + Openbox standalone + Arch default kernel + Nouveau + yours truly = A lot of *****in' in the Arch Forums.
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