[Sursound] Are mems a good choice for ambisonic microphones?

2016-04-13 Thread Marc Lavallee
I'm looking at this product here: http://www.invensense.com/products/analog/ics-40300-3/ I wonder if mems are good for building an ambisonic microphone... The document named "Low-Noise Directional Studio Microphone Reference Design" shows an array of 32 mems. -- Marc

Re: [Sursound] Are mems a good choice for ambisonic microphones?

2016-04-13 Thread Rudy Chalupa
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Re: [Sursound] Are mems a good choice for ambisonic microphones?

2016-04-13 Thread Bo-Erik Sandholm
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Re: [Sursound] Are mems a good choice for ambisonic microphones?

2016-04-13 Thread Fons Adriaensen
On Wed, Apr 13, 2016 at 06:01:57PM +0200, Bo-Erik Sandholm wrote: > The equivalent noise for a single mems mic is 31 dba, the example using 16 > mems would give an improvement of 12 dB getting to 19dBa which is equal to > the Tetramic spec. Only for the W signal. For X,Y,Z you'd gain 4 dB less a