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Re: Question about In-Ear Microphones

Hello Martin,

DPA 4060 is a reasonably priced (around Â150), high-quality,
omnidirectional, miniature microphone with a flat response in 0-10kHz range.
We use it for in-the-ear measurements (not for HRTF measurements as of
yet!). I would suggest you to check with the UK distributor. I don't
remember from which company we ordered ours but Canford, Studiospares,
Jigsaw etc. should all be selling these.

I have also heard of the Knowles microphones that Elena mentioned. Farnell
UK may probably be the place to look for them.

Hope this helps,



Dr HÃseyin HacÄhabiboÄlu
Research Fellow
I-Lab / CCSR
University of Surrey, Guildford GU2 7XH
Surrey, United Kingdom
Tel:  +44 1483 683435
Fax: +44 1483 686011
e-mail: h.hacihabiboglu@xxxxxxxxxxxx

> Date:    Wed, 1 Feb 2006 14:37:24 +0100
> From:    Martin Ostermayer <oster-m@xxxxxx>
> Subject: Question about In-Ear Microphones
> Dear List,
> I need to purchase a pair of in-ear microphones for doing HRTF measurements. I
> found a couple of threads suggesting the Sennheiser KE 4 to be a suited mic to
> do the job but the threads were from 1995. So I was wondering if anybody knew
> of other (better? cheaper?) alternatives available nowadays. I also would be
> thankful for any hint where I can buy any of them.
> Thanks in advance for your help.
> Cheers,
> Martin Ostermayer
> --------------------------------
> Martin Ostermayer
> RA, School of Psychology
> University of Reading
> Reading, RG6 6AL, UK
> --------------------------------
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> ------------------------------
> Date:    Wed, 1 Feb 2006 10:06:24 -0500
> From:    Elena Grassi <egrassi@xxxxxxx>
> Subject: Re: Question about In-Ear Microphones
> Dear Martin, 
> I have been using the Knowles Electronic FG-3629 (omnidirectional microphone
> encased in a cylindrical case with a diameter of 2.57 mm and a height of 2.57
> mm) for blocked-ear canal HRTFs. They sell for about $25 at newark.com
> The amazing thing is that, although this microphones are not rated for
> ultrasound frequency, their frequency response is quite good in that range
> too. I have used them to measure bats' HRTFs as well.
> Hope you find this info useful. Best regards,
> -elena