[Top] [All Lists]

Re: Feedback noise on Olympus LS-11

Subject: Re: Feedback noise on Olympus LS-11
From: "Peter Shute" pshute2
Date: Mon Dec 30, 2013 11:26 am ((PST))
On 31 Dec 2013, at 4:48 am, "Scott Fraser" <<s=
>> wrote:=0D
Certainly not feedback, it sounds like clock leakage into the preamp or ADC=
. A lot of budget recorders don't achieve adequate ground (earth) separatio=
n between their analog & digital sections & this kind of clock pollution re=
sults. Also, a number of people have experienced pollution of the audio fro=
m the LCD displays on certain units. If that noise is just a fact of life w=
ith that Olympus model you'll either want to upgrade to a cleaner recorder =
or perhaps try some gently applied noise reduction, such as iZotope RX. The=
 noise is absolutely steady state & any good noise reduction software shoul=
d have no trouble separating it from the desired ambience.=0D
If it's noise from the LCD, I had a similar problem with my PCM-M10. I fixe=
d it by replacing the cable from the mic with a better shielded one. You sa=
y it used to be ok till a year ago - have you changed the cable, or perhaps=
 damaged it? Could you have rerouted the cable to pass over the LCD?=0D
Peter Shute=0D

<Prev in Thread] Current Thread [Next in Thread>

The University of NSW School of Computer and Engineering takes no responsibility for the contents of this archive. It is purely a compilation of material sent by many people to the naturerecordists mailing list. It has not been checked for accuracy nor its content verified in any way. If you wish to get material removed from the archive or have other queries about the archive e-mail Andrew Taylor at this address: andrewt@cse.unsw.EDU.AU