Audacity Forum

How are you selecting the recording source for arecord?

Do you have more than one audio device? (for example an external sound card, USB tape player, web cam, ...?)

See here: http://forum.audacityteam.org/viewtopic ... 46&t=65638

A good starting place would be to see what Audacity can do already. http://manual.audacityteam.org/manual/help/manual/man/analyze_menu.html#spectrum If you export the spectrum as a text file you should then be able to use that data in a spreadsheet or any other type of numerical analysis that you ca...

If you are only adding silence to the file then it is safe to temporarily turn off "dither". "Edit menu > Preferences > Quality" and set dither to "None". You can now import the file, add the silence and export it as a 24-bit WAV file and the output file will be identic...

Thanks for the feedback mike and glad you had a success.

jlmer wrote:The device is through a USB port and all of a sudden can't find the device again.

Have a look in the Windows Sounds control panel to see if Windows has recognised the device and that it is enabled: http://wiki.audacityteam.org/wiki/Mixer ... es#vistacp

I've jut tried it. It's a bit slow at the moment but it does work.

If the problem continues there is a direct link to the ZIP version on this page: http://manual.audacityteam.org/man/FAQ: ... Ins#ffdown

If you have run and closed Audacity there will be a file "audacity.cfg" (assuming that Audacity is correctly installed). It may be in a hidden folder and I don't use Macs so I don't know how you will find it - try looking on Google for how to find hidden files and folders on a Mac. When yo...

HOWEVER, the raw data for these otherwise blank tracks still reads out as containing full 1.1M data, just as they playable ones do. If the data is "0000000000000000000000000000000000..." then it will still show the same size as if it were valid data. Just because there is data does not me...

The problem sounds like this one, but I don't understand why there is no error code.
Perhaps you could try this anyway: http://forum.audacityteam.org/viewtopic.php?f=7&t=64122