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Re: comparing 20 portable digital recorders

Subject: Re: comparing 20 portable digital recorders
From: "Rob Danielson" danielson_audio
Date: Mon Nov 9, 2009 5:08 pm ((PST))
At 5:46 PM +0000 11/9/09, escalation746 wrote:
>
>
>Rob Danielson wrote:
>
>>  I've tried to incorporate sensitivity into the EIN
>>  ranges. I feel that the role of mic self-noise has
>>  to be in there centrally if the recommendations are
>>  going to address noise performance quality.
>
>I agree and like these specific classes. My own personal list is 
>ordered by EIN and your classes accord with how I think about the 
>devices. I will present this perspective in a future article. I 
>thought it more important to most of my readers to look at form 
>factor first of all. The article was in part written to answer some 
>specific questions people have asked me face-to-face.
>
>It would be good to have some idea what the self-noise of the 
>built-in mics is, apart from the external pre-amp stage. But I can't 
>see any way of measuring that short of surgery on the electronics.
>
>-- robin

Hi Robin--
There may be a few exceptions, but its likely the mic capsules used 
in pocket recorders have self-noise ratings of 20 dB(A) and higher. 
One exception might be the Sony D-1's capsules which recordists have 
commented upon favorably.

Let me know if I can be of assistance. Rob D.



-- 







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