| From Rburrhead32
| Sun, 9 Sep 2007 14:16:21 EDT
| Subject: [Audacity-help] Seperating audio from video
| I am recording music from the TV and there are video stills in the
| recording. I am new to all this (not used to FORUMS) and do not
| know what I am doing, also I have never used AUDACITY as of yet.
| I am still studying how to use it. [1.2.6 XP SP2]
This is a mailing list where questions and answers are emails. On a Forum
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Your answer seems to suggest you are using a video capture device so have
a stream with sound and video combined, or possibly already have a saved
video file with video stills and audio combined? Is either correct? If so you
must extract the audio from the saved video file by dragging it into
SuperPlayer and exporting as a 44 100 Hz 16 bit stereo WAV file which you
can then either keep as it is, or import into Audacity for editing. If you don't
want to edit it, you can encode the audio to a much smaller format like
MP3 if you don't mind losing a little of the quality.
Does your TV actually have a SCART jack as many do, or even an audio out
or line-out as some advanced models will have? Then if you only want the
audio you can either buy a SCART to 1/8 inch audio adaptor which you
can then connect to the line-in (usually blue) port of your sound card, or
if you have an audio or line out, do so using an appropriate cable with a 1/4
inch plug one end to go in the TV audio out, and a 1/8 inch plug at the other
end to go in the computer line-in.
Or if you have a video cassette recorder, connect the TV to the VCR and
connect the line-out or audio out of the VCR to line-in of the computer.
Once you have such an audio-only input going into Audacity you can then
set the recording device on the Audio I/O tab of Audacity Preferences to
your sound card and record according to these instructions (which are meant
for all input coming from the line-in):
http://audacity.sourceforge.net/help/faq?s=recording&i=records-tapes
Or you can get a TV Tuner card including external USB ones that mean you
don't have to open the computer to fit them. USB tuners will often include
video capture software so that video from TV can be saved to the drive as
a video file. USB tuner cards may not have a coaxial input for a conventional
TV antenna. If that's true, you can get a coaxial to composite (yellow/red/white)
adaptor, and such adaptors often have RCA outputs in which case the audio
can be taken from there with a RCA to 1/8 inch cable and recorded into line-in
on the computer as above.
So there are really many ways to capture either audio only from the TV, or to
capture a video file and and then extract the audio from the video file if you
want it separately (or if you want to edit the audio and then insert it back into
the video).
Gale Andrews
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Tested on: 9/9/2007 8:11:51 PM
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