Audacity Forum

When I use the z key (zero crossings), the waveforms rarely match up. What am I doing wrong? "Z" (find zero crossing) can only work reliably with mono tracks. On stereo tracks the zero crossing points may be in different places, so the effect just does the best it can. For stereo tracks y...

trying to edit a Cd audio Track , trim several sections from it , and rejoin the remainder as a contiguous track. There are lots of ways to streamline this process, but here's a basic procedure: 1) Rip (digitally extract) the audio from the CD in WAV format. "CDex" is a good, free CD ripp...

While the Audacity project is still open you can look in "View > History".
Once the project is closed you are down to whatever you can remember, unless you wrote it down.

Here's some rough and ready Nyquist code for a "radio effect": (apply to a reasonably short MONO track using the "Nyquist Prompt" effect) ;; Bad AM Radio (defun bandpass (sig minhz maxhz) (lowpass4 (highpass4 sig minhz) maxhz)) (defun modnoise (dur) (let ((dur (+ 20 dur))) (clip ...

Gale Andrews wrote:Does Tracks > Align End to End do crossfading of the joins?

No it doesn't, but once the tracks are aligned it is quite easy to slide the tracks along a bit with the Time Shift tool (and then apply fade out/in if required).

See if this article fills in the knowledge gaps: http://manual.audacityteam.org/o/man/bu ... _a_cd.html

If you're using "Change Pitch" to transpose the music, try using Sliding Time Scale / Pitch Shift instead. http://manual.audacityteam.org/o/man/sl ... shift.html

jazzcat wrote:Audacity adds about a minute of silence at the beginning of every LPCM multitrack file I add.

Where did the files come from?
What is the full format of these files?
How (exactly) are you importing them?

rocket98 wrote:well I have the latest version of audacity on windows

Which version of Audacity? (look in "help > About Audacity")
Which version of Windows?

There was a bug in Audacity could cause noticeable noise in exported stereo files, which was fixed in September 2013. Please update to the current version of Audacity (2.0.5) which is available here: http://audacityteam.org/download/ Note that it is normal for "silence" to not remain absol...