Audacity Forum

Does this do what you want? http://manual.audacityteam.org/o/man/plot_spectrum.html
or perhaps this: http://manual.audacityteam.org/o/man/au ... tml#spgram

Using the track Spectrogram view (see: http://manual.audacityteam.org/o/man/audio_track_dropdown_menu.html#spgram), if the "Window size" is set large enough in Preferences (see: http://manual.audacityteam.org/o/man/spectrograms_preferences.html) then the binaural tones should be visible. I...

Perhaps you could use Pa_GetStreamTime http://portaudio.com/docs/v19-doxydocs/ ... rview.html

Use the "Notch Filter" to remove the tones that produce the binaural beats.http://manual.audacityteam.org/o/man/notch_filter.html

What do you mean by "current sample number"? Do you mean you want to count the samples from the start of the recording, or do you mean that you want the sample value?
What's the job? What are you trying to do?

Having done a bit of testing, I think that the code should be safe up to 200,000,000 samples (about 75 minutes at a sample rate of 44100 Hz), provided that the computer has enough available RAM. Peak to a 30 min sleep music file (which I mixed to mono first) You don't have to mix to mono for this ef...

In the Transport menu, ensure that "Software Playthrough" is off (not selected).

Before you go to the expense of buying a new PC , try running a Linux Operating System on your current computer , ( I think you will be pleasantly surprised by the increase in speed compared with Windows XP on the same computer ). Though perhaps not "Ubuntu" as that is a heavyweight distr...

The magic phrase is "envelope-follower", e.g. the second block of Nyquist-code here ... http://forum.audacityteam.org/viewtopic.php?p=107790#p107790 Unfortunately that code is a bit tricky to use because it requires the sound to be followed to be in the left channel of a stereo track, and...

Have a look in the Windows Sound Control Panel and check that the device is recognised by Windows and enabled.