Dell Mini 9 Discussion Discussion on the Dell Inspiron Mini 9.

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effe effe is offline
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Default Audio hiss on Ubuntu Karmic (9.10) - 10-29-2009, 11:42 AM

When you put headphone jack in an hissing sound starts from speakers, if you remove headphone the noise stops immediately. The sound in headphone is perfect.
I'm on a dual boot machine (9.04 and 9.10), with jaunty with kernel 2.6.28 sound is perfect with no issues. The audio settings are the same on both OS. I suppose is a pulseaudio/kernel settings related problem (Karmic uses 2.6.31-14 kernel) but can't be sure.
Tested it with mics muted and all audio set to zero. No luck.

Could someone confirm this issue on Mini9 before I start a bug on launchpad?

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reflex reflex is offline
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Default 10-30-2009, 12:23 AM

Yep. Playing audio over the headphone jack in Rhythmbox starts the onboard speakers hissing. If I stop the audio, the hissing persists for a few seconds, then stops.

Mini 9 | Intel 5100 Wifi | Ubuntu 10.04 Netbook
Mini 1012 | SSD | Intel 6200 Wifi | Ubuntu 11.10 64bit
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leeosenton leeosenton is offline
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Default Same - 11-01-2009, 02:25 AM

I hear a faint hiss only during and after playing a MP3 track. I tested with both MPlayer and RythmBox. The hiss stops after unplugging the headphones and closing the playback application. I am running Ubuntu Desktop i386 v9.10 from a clean install. With that said, my problem is minimal at best (but I spent 20 years in F-14 Tomcats so I don't have the best hearing.


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