[FFmpeg-trac] #10345(undetermined:new): Multiplex Filter (or codec)

[FFmpeg]

#10345: Multiplex Filter (or codec)
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             Reporter:  Noitarud     |                    Owner:  (none)
                 Type:  enhancement  |                   Status:  new
             Priority:  normal       |                Component:
                                     |  undetermined
              Version:  unspecified  |               Resolution:
             Keywords:               |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
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Description changed by Noitarud:

Old description:

> Hello all I would like to tell of a discovery I made over ten years ago,
> it might have some novelty or serious use as a filter or even a codec.
>
> I built a mono FM transmitter and once when I tested it I had nothing to
> transmit so I used an FM radio station, I received it on another radio –
> and the STEREO light came on!
>
> Would you like to create a filter, since this would also work with mono
> VHS taped recordings of television:
> •Decode mono-multiplex to stereo
>
> For these two functions,
> •Encode stereo to mono-multiplex
> •Encode quadrophonic to mono-multiplex
> Better to create an output filter (like WaveOut) or as FFDSHOW filter.
>
> And consider a codec, the single stream could confer benefits, and for
> stream's decoder have either full decode or decode to mono-multiplex (for
> stereo or quadrophonic FM receivers). I have seen such a quad-receiver
> some time back but I do not plan to follow this ticket and wait to test
> though.

New description:

 Hello all I would like to tell of a discovery I made over ten years ago,
 it might have some novelty or serious use as a filter or even a codec.

 I built a mono FM transmitter and once when I tested it I had nothing to
 transmit so I used an FM radio station, I received it on another radio –
 and the STEREO light came on!

 Would you like to create a filter, since this would also work with mono
 VHS taped recordings of television:
 •Decode mono-multiplex to stereo

 For these two functions,
 •Encode stereo to mono-multiplex
 •Encode quadrophonic to mono-multiplex
 Better to create an output filter (like WaveOut) or as FFDSHOW filter, so
 all MP3s and such can be played without file conversion.

 And consider a codec, the monaural stream could confer benefits, and for
 the stream's decoder, have either full decode or decode to mono-multiplex
 (for stereo or quadrophonic FM receivers). I have seen such a quad-radio-
 receiver some time back but I do not plan to follow this ticket and wait
 to test though.

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Ticket URL: <https://trac.ffmpeg.org/ticket/10345#comment:5>
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