Changes

• Rename --muting to --doc and add options to control the level of dropout compensation.

    --doc                 Dropout compensation method (what happens when there is no hifi carrier) 
                          full 	copies audio from the other channel, or mutes if both channels have a dropout [default]
                          mute 	always mute dropouts
                          off 	disabled
  

  • --doc full -> (default) Use L channel audio for R dropout compensation and vice versa. Mute if there is also a dropout in the other channel
  • --doc mute -> Only mute the dropouts
  • --doc off -> No dropout compensation
• Add dual mono audio modes which saves each channel to a separate file.

  --audio_mode          Audio modes 
                         s 	Stereo (L, R) [VHS default]
                         ms 	Stereo (L+R, L-R) [8mm default]
                         d 	Dual Mono (L) (R) 
                         dms 	Dual Mono (L+R) (L-R) 
                         l 	Mono (L) 
                         r 	Mono (R) 
                         sum 	Mono Sum (L+R)
  

  • Useful for tapes that have two different audio tracks on each channel, i.e. over dubs
  • Channels are normalized independently
  • dropout compensation is limited --doc mute for dual audio, since the two channels do not relate to each other

Dropout compensation example

• Top: New behavior, copies from other channel for dropout compensation
  
  doc_full.mp4
• Middle: Original behavior, mutes dropouts
  
  doc_mute.mp4
• Bottom: No dropout compensation
  
  doc_off.mp4