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Full Version: Audio blips/clicks/pops after media file is played
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Hi all,

I'm having a bit of a sound problem with my new HTPC setup.

When I play a media file (e.g. mp3, mkv, mpg) I often get random blips of sound being played repeatedly after the file is complete. So I'm looking at the XBMC interface again, navigating around the interface, but there's this annoying audio blip sound coming through the speakers. This doesn't stop until I play another file. These odd blips are only a fraction of a second long, and repeat roughly every second (indefinitely).

Here's my setup:
  • Zotac ZBOX ND-22
  • HDMI Audio
  • Ubuntu 10.10
  • XBMC 2:10.1~ppa1~maverick

Audio settings:
Code:
<audiooutput>
        <ac3passthrough>false</ac3passthrough>
        <audiodevice>alsa:plug:hdmi</audiodevice>
        <channellayout>0</channellayout>
        <customdevice>plug:both</customdevice>
        <custompassthrough></custompassthrough>
        <dontnormalizelevels>true</dontnormalizelevels>
        <dtspassthrough>false</dtspassthrough>
        <mode>2</mode>
        <passthroughaac>false</passthroughaac>
        <passthroughdevice>alsa:hdmi</passthroughdevice>
        <passthroughmp1>false</passthroughmp1>
        <passthroughmp2>false</passthroughmp2>
        <passthroughmp3>false</passthroughmp3>
    </audiooutput>

Anyone else ever experienced anything like this?
One further bit of info:

If I use alsamixer to mute all channels, so that I now hear no sound when I play media, I still get the audio blips/pops when no media is playing (even though everything is muted).
Couldn't track this down, but I suspect a low level problem with the HDMI audio driver. Switched to optical audio and the problem disappears Smile