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Re: Sony M10, D50, Olympus LS7, Roland R05 Zoom H1: internal mics c

Subject: Re: Sony M10, D50, Olympus LS7, Roland R05 Zoom H1: internal mics c
From: "" m_pesente
Date: Mon Jun 18, 2012 3:34 am ((PDT))
Hi Vicki,
for a quick and practical test, the easiest thing to obtain a simultaneous 
comparison was to test the performance of the internal microphones. 
Furthermore, I believe that with the advent of digital recorders with solid 
state memory, lacking any mechanical moving parts that still had a negative 
point with the first digital recorders (such as DAT, MiniDisc, DCC), the use of 
internal microphones may be of some importance, not only in emergency 
situations such as "point and shoot".
To test external electret microphone simultaneously with all 5 recorders, I 
should have as many microphone capsules. Over the next weeks I might try 
connecting to each recorder a single electret microphone capsule, such as the 
discussed here in list Primo EM172 which, as reported in previous posts, seems 
to be contained within the Sony M10.

About the rating list that you did, I have more or less your opinion about the 
order, though I have some doubt for the last two positions, if Zoom H1 or 
Roland R05, although the latter has a background noise near the limit of 
acceptability. I own two R05 units (I bought one as new for very little money 
on Ebay, 50 US dollars!), and both behave the same background noise.
BTW, currently the recorder that I use with greater frequency and satisfaction 
in conjunction with external electret microphones is Roland R05!

Marco Pesente

--- In  vickipowys <> wrote:
> Marco,
> That was a very interesting test, but with little or no response from  
> this group, what a shame.
> It is one thing to read the noise figures for recorders and mics, but  
> to have a hands-on demo is very worthwhile.  I also downloaded the  
> sound clip and had a good look in the spectrogram feature of Izotope RX.
> Your demo only compares the built-in microphones, but if anyone is  
> wanting to use only this feature then my order of preference is:
> 1. Sony M10
> 2. Sony D50
> 3. Olympus LS7 (the LS10 may be better than the LS7?)
> 4. Zoom H1
> 5. Roland R05
> I would be very interested to hear a comparison of the same recorders  
> when using external electret mics and plug-in-power (PIP).
> Vicki Powys
> Australia
> On 14/06/2012, at 7:02 AM,  wrote:
> > I performed a test of some of my recorders (Sony M10, D50, Olympus  
> > LS7, Roland R05 Zoom H1) to compare their internal mics on a  
> > passerine bird singer, the Blackcap, very widespread here in Europe.
> > A simultaneous recording was obtained with all five recorders; the  
> > levels were set to have almost the same level on all recorders;  
> > fine tuning of levels in post production was required only for the  
> > Roland R05 (+3db) and the Zoom H1 (+6db).
> > The Olympus Ls 7 was enabled for all its three microphones (the two  
> > side cardioids and the central one omnidirectional).
> > Here the youtube link to the Movie file
> >
> > and here the Soundcloud link to the WAV file 
> > marco-pesente/blackcap-m10-d50-ls7-r05-h1
> >
> > Marco Pesente
> >

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