Recently I’ve stumbled upon the Scotch Brand’s Sound Talk bulletin, specifically the 5th issue, which has an audio fragment from a tape recording depicted on page 2 (shown above).
After some experimentation with audio and image processing software, and approximately correcting the speed by ear, this is the result (18KB total for all three):
WAV w/o speed adjust:
The fragment is too small to recover anything decently, but, as the bulletin states, the letter “A” does take the majority of it for sure :)
Categorised in: Old Hardware