Our Experimental Officer has found the cause of the noise contamination
in the Phase 1 recordings. See the report below for details. This means
we can now safely make new recordings where necessary.
Mark
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>From: "S.Nevard" <steve@phonetics.ucl.ac.uk>
>Subject: data translation noise
> After our last recording with Jill, I had another look at the noise
>problem using the data translation card. I found that by connecting the
>signal returns to analog ground on the screw terminal board the noise was
>reduced a lot. Using the Ono Sokki the largest components were about -80dB
>re 1V peak. i.e 100dB down on the max ip.