Sound problem: more channels == worse quality
On 06/15/2011 03:23 PM, Richard Shaw wrote:
> While diagnosing my sound issues which I at first attributed to my new
> Creative T6100 speakers (yeah, they're pretty low end for surround
> systems), I found that the sound quality was still poor when I plugged
> in my headphones to the front audio port.
> Of course after that I started blaming the sound chip (Built in) but
> now I'm not so sure. I found that the more channels I setup in
> PulseAudio the worse the sound quality.
> With 2 channels the sound problem I'm having disappears, just normal
> hiss at high volume (amplification). When I up to the 4 channels I can
> hear the problem but it's pretty faint and at 6 channels it's very
> The sound itself is a high pitch electronic distortion. There's
> probably a technical name for it but I'm not an audio engineer. The
> best way I can describe it is that it sounds similar to distortion you
> get from very low bitrate audio streams.
> So my question is: Is the problem my sound chip (hardware) or
> PulseAudio (software)?
> My plan is to buy an Asus Xonar DG but I don't have a lot of
> disposable income to spend on this problem so I want to be fairly
> certain this will fix it.
>  http://www.buy.com/prod/asus-xonar-dg-sound-board-cmi8786-pci-24-bit-internal/q/loc/101/217036858.html
I would not do anything until you remove other interference causing
items. I would start with any wall warts that you might have plugged in
or anything like that. I have seen those cause all types of issues when
they are going bad and plugged in near a PC.
users mailing list
To unsubscribe or change subscription options: