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2. Re: SONY PCM-M10 noise test

Subject: 2. Re: SONY PCM-M10 noise test
From: "Gianni Pavan" gianni_pavan
Date: Sat Jan 9, 2010 11:11 am ((PST))
Hi all, unfortunately in latest months I had very few time for field
recordings and for hardware tests, however I'm following with interest the
debate about the M10. It seems that the debate concentrates about the stere=
imaging with internal mics and the noise performances (self-noise) with
external mics.
I just received my M10 today and just playing with it I feel that with the
internal mics it does a pretty good job even with quiet sounds.
I'd like to see and objective evaluation of its internal mics and pres with
soundscape recording in mind. Raimund, could you do a self-noise test with
the internal mics ? It would be nice to make a comparison with the D50 that
is the all-in-one recorder closest to the quietest recorders in the Raimund

Hope to be back in the field recording arena soon...

2010/1/9 oryoki2000 <>

> Confirmation of Dr. Specht's PCM-M10 noise test results comes in the form
> of testing by Leonard Lombardo, mic builder and owner of Sonic Studios in
> Oregon USA.
> Leonard has tested many small digital recorders for use with his line of
> mics and portable amplifiers. Preliminary results for the PCM-M10 were
> posted recently on the Tapers Section forums, where Leonard posts with th=
> name "guysonic."
> There are three graphs in this post. The first shows results using the
> Edirol R-09HR. The second and third are of the PCM-M10 under similar test
> circumstances. Eyeballing the graphs, it appears that measurements of the
> PCM-M10's mic input noise stay below -120 dBu as low as 150 Hz. when the
> Plug-In Power is turned off. With PIP turned on, the noise level rises a
> little sooner.
> I'll pass on the link to Leonard's discussion of the results when he
> completes his write up of the PCM-M10 tests.
> --oryoki
> Raimund Specht wrote:
> > I just received a SONY PCM-M10 and measured the EIN of its microphone
> input. The figure of -122 dBu(A) that I got is very similar to that of th=
> Olympus LS-10/11. But in contrast to the Olympus recorders (which exhibit=
> unfortunate increase of the noise below about 500 Hz), the frequency
> spectrum of the noise floor is quite flat across the entire frequency ran=
> Considering its exceptionally long battery life, it seems to me that the =
> SONY PCM-M10 is the winner in this class of inexpensive and compact pocke=
> recorders.
> >
> >
> >

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