Audacity Forum

analyze.ny has recently been removed from the source code (it was just a demonstration/example plug-in with no practical value). To ensure that you are starting with a clean source, run: make distclean then run: autoreconf --no-recursive to reconfigure the build options. If you have a problem with t...

Hello, I bought the Soundcraft mixer, it's a real pleasure to use it. I use an old Cubase to send the tracks (same way as you, 4 stereo bus), but it's really boring to "export multiple" from Audacity... If some tracks are not starting from instant zero, you have to add a filled with zeros...

steve wrote:please start a new topic on the Nyquist forum board (http://forum.audacityteam.org/viewforum.php?f=39)

DVDdoug wrote: For normal 5.1 you should have:
Front left
Front center
Front right
Back left
Back right
LFE

and the correct order of the channels depends on the file format.
Details can be found on Wikipedia: http://en.wikipedia.org/wiki/Surround_sound

If that is the best quality version that you have, then there's not much that can be done to improve it.
That file is a low quality 8 kbps MP3 file. The damage caused by MP3 compression cannot be repaired.

The 6kHz peak is of no concern for me, as the whole analysis is meant to be valid only up to roughly 1khz In which case you can just use a low-pass filter to remove it. About the FM demodulation, well might be I have something like a "concept" - well, surely nothing really thought through...

You're looking at the manual for the new, not yet released Audacity 2.0.6 alpha. When 2.0.6 alpha is ready for release it will be released as Audacity 2.0.6. The correct manual for Audacity 2.0.5 (the current release version) is here: http://manual.audacityteam.org/o/ and the page for Truncate Silen...

The 3,15kHz carrier is completely suppressed but that spike at around 6.3 kHz is (the_carrier x the_carrier). The signal that represents the "wow" is the low frequency component. To eliminate the carrier, try a notch filter: (notch2 sig 6300 1) http://www.cs.cmu.edu/~rbd/doc/nyquist/part8...

The problem is that the function snd-fetch destroys the sound samples. http://www.cs.cmu.edu/~rbd/doc/nyquist/part8.html#index260 Snd-fetch is used in the function (defun count-samples (sig crossings) To avoid the problem, when you call count-samples ensure that you pass a copy of "s" and ...

mige0 wrote:Why is it, that I cant write something like that:
(setq carrierfreq (/ (* cycles *sound-srate*) sample-count))

Instead of the "print" command

You can. That looks perfectly valid.

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