From: Jerry Van Baren <gerald.vanbaren_at_smiths-aerospace.com>
Date: Tue, 10 Jan 2006 10:12:47 -0500

IIRC, another workaround is to disable WPS or have a fairly static WPS
to minimize the noise from updating the display.

http://www.rockbox.org/twiki/bin/view/Main/CustomWPS
http://www.rockbox.org/twiki/bin/view/Main/WpsGallery

My guesses:
- Avoid peak meters
- Avoid scrolling text

gvb


Will Robertson wrote:
> If this isn't a rockbox specific problem, it could just be that the
> signal to noise ratio of the DAP's DAC is not quite high enough to avoid
> this hissing at low volumes.
> If this is the case, it's completely unavoidable.
>
> On 1/11/06, *Rocker* <rocker_at_shaw.ca <mailto:rocker_at_shaw.ca>> wrote:
>
> Hi you wrote:
> > that I can hear noise, particularly on my JBRv1. If I want to
> listen at a
> > low volume (say -40) I hear a constant ZZZZZZ, interrupted only
> by the
> > disk
> > spinning up. I trawled the back posts and it seems that this may
> have
> > been
> > caused by the LCD - was there ever a conclusion and/or resolution?
>
> I have the same issue with my recorder V1 15. The fix I found was
> to use a
> set of phones that come with a volume control. Turn down the volume
> on the
> phones while slightly increasing the volume of the player and the
> noise is
> gone. Not the best solution for your new phones but it might help when
> deciding on what phones you buy down the road.
>
> hth...rocker
>
>
> ----- Original Message -----
> From: "Rainer H. Rauschenberg" <rainerh_at_wiwi.uni-frankfurt.de
> <mailto:rainerh_at_wiwi.uni-frankfurt.de>>
> To: "Rockbox" < rockbox_at_cool.haxx.se <mailto:rockbox_at_cool.haxx.se>>
> Sent: Tuesday, January 10, 2006 4:13 AM
> Subject: Re: Noise at low volume
>
>
> On Tue, 10 Jan 2006, Brent Coutts wrote:
>
> > Anyway, I have just purchase some Westone UM1 earplugs and they are
> > wonderful. Unfortunately, one of the side effects of a good set
> of cans
> > is
> > that I can hear noise, particularly on my JBRv1. If I want to
> listen at a
> > low volume (say -40) I hear a constant ZZZZZZ, interrupted only
> by the
> > disk
> > spinning up. I trawled the back posts and it seems that this may
> have
> > been
> > caused by the LCD - was there ever a conclusion and/or resolution?
>
> I have a similar problem with my Ondio SP, every time sth on the LCD
> changes there is a chirping noise, so loud it really disturbs
> listening to
> music. I had this problem with Rockbox 2.5 and so I uninstalled it, and
> there is no noise with the original archos software.
>
> This is a little bit frustrating to me, because I bought the (used)
> Ondio
> because it runs Rockbox, which I like very much (and which runs without
> problems) on my JBR V2.
>
> I searched through the Rockbox website, but I couldn't find any hint
> that
> this is a known issue. May someone point me to a webpage or an archived
> mail where this has been disussed before?
>
>
Received on 2006-01-10