| Most soundcards have a ‘line’ input and one for an electret (condenser) microphone. To be able to connect an inductive tape-recorder head...
More about head (3)
| AV recorders used in audio-video presentations contain an additional head to read and write the control pulses for the slide projector. T...
| Although fast &bit video converters are available from a variety of manufacturers, their practical application has so far been over the he...