Testing the auto focus feature on a Panasonic GH2 with a Lumix HD 14-140mm lens. I was using the GH2 microphone for audio recording to see whether the auto focus sound of the lens was recorded by the GH2 microphone. The auto focus system of the lens was operating quietly.

The Roland Vocoder VP-330 Plus was built from 1979 to 1980. Around 2000 pieces were produced. Underworld, Vangelis, Mike Oldfield, Laurie Anderson and Phil Collins
among many other artists were using this vocoder.

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