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On Tue, May 15, 2012 at 11:28 AM, Ignas Anikevicius |
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<anikevicius@×××××.com> wrote: |
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> Dear all, |
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> |
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> It's been quite a while since I noticed this annoying behaviour, but I |
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> could not find any information what might cause this. So the problem is |
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> that at lower volumes my HD-Audio with Conexant becomes very noisy and |
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> this is regardless of the sound system or speakers/headphones I use. |
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> |
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> The noise can be described, as high pitched, sandy texture noise |
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> heard during more expressive parts of the music or speech. |
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> |
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> I experience this on two Thinkpads (x200s and x200) and it very evident |
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> when I connected external speakers, they produced a lot of this noise, |
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> or maybe I just could hear it better, because of the frequency response |
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> of the speakers. |
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> |
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> Does anybody have some similar issues? |
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> |
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> My current audio setup: |
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> |
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> * PulseAudio (but the problem is experienced with ALSA as well) |
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> * MPD for music playing |
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> * Conexant and other related modules compiled in, power-saving |
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> features enabled. |
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> |
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> What I have tried to eliminate the noise: |
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> |
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> * Various levels of Master,PCM,Headphone channels via Alsamixer |
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> * Increase the sample rate in MPD settings. |
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> |
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> The noise can be clearly head when I Have the following setting on my |
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> Alsamixer: |
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> |
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> * Master ~50 |
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> * PCM 100 |
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> * Headphone 100 |
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> |
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> Does anybody has any thoughts on why am I experiencing this? |
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> |
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> Thanks a lot, |
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> Ignas A. |
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> |
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|
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I would check the inputs in alsamixer and play around with them. I |
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had a problem similar to this for many months and it was due to some |
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funny input volume I didn't need, so I muted it. |
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