The audio recorder would need some sort of VOX function with memory to eliminate the blank spots between transmissions. The memory is needed so that when the VOX detects audio, it can back up a number of milliseconds to catch the start of the audio.
The audio recorder would also need time stamping so that you can tell when (time of day) the audio was recorded.
The old Scanner Recorder Pro program pretty much had the audio recording functions nailed, but the author has disappeared so the program is now "ghost ware".
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