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Subject: Re: Noise at low volume

Re: Noise at low volume

From: Will Robertson <aliask_at_gmail.com>
Date: 2006-01-10

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@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@wiwi.uni-frankfurt.de>
> To: "Rockbox" <rockbox@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 Tue Jan 10 15:56:38 2006


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