DR40 intermittent digital 'white' or 'pink' noise

Doug Jackson

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Aug 12, 2015
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Gear owned
DR40, TEAC 2340SX
I recently did a field video session and had a Sennheiser lav connected to my DR40 in a dual recording mode config. Each of the tracks exhibit random and intermittent blasts of digital noise that are all about .094 seconds in length occurring at different times on each of the dual tracks.

I've noticed this in the past but they were very infrequent. This session they are occurring much more frequently (sometimes several per minute)
Tascam_DR40_noise-1.png

Spectrum Analyzer of the Noise.
Tascam_DR40_noise-2.PNG

.094 seconds noise blip
Tascam_DR40_noise-3.PNG

Random noise over couple of minutes.

Anybody have any clue what may be going on????

Regards,
--Doug
 

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