Audacity Forum

Audacity 1.3 can correctly handle audio clips at different sample rates in the same track. It does this by resampling the audio on the fly (at the cost of some processing power,so you will not be able to play as many tracks simultaneously if they contain sounds that are not at the same sample rate a...

Audacity 1.3 has many more features than the old 1.2 version. * Vertical zoom in/out on all tracks (the "Fit vertically" option is useful but limited.) There is also "Collapse/Expand". * Support for mouse scroll wheel for zooming Mouse wheel on its own scrolls tracks up/down (whe...

There may be something hijacking the sound system when you "go off and do other stuff". For example, programs like skype can mess up your sound system settings, or even a flash plug-in in your web browser.

It may also be worth trying the DirectSound drivers.

Have you tried rebooting since discovering the problem?

Have a look at this post: http://audacityteam.org/forum/viewtopic ... 505#p42614
It applies to Audacity 1.3 and I would recommend upgrading to the latest 1.3 version.

Other handy shortcuts from the same thread http://audacityteam.org/forum/viewtopic ... 505#p42649

In Audacity 1.3 there is a feature (in the "Analyze" menu) called "Regular interval labels". It does not automatically add time and date, but you can enter a common label text and prepend that text with sequential numbering. Once the labels are in place you can use "Export M...

Reboot your computer and log in with an Administrator account.
Delete the file "audacity.cfg" which is located in
Users<user name>AppDataRoamingAudacity
(audacity.cfg is a hidden file, so make sure that hidden files are included in your search)
Restart Audacity.

The search feature in phpBB (the forum software that is used here) is very basic and does not support searching for phrases.
Use Google instead with something like:

You need to stay in WAV land. MP3 compression causes damage messing up your cancellation. Also, arethmetic cancellation like this needs two events to work. Amplitude and phase. So you slide the track back and forth and you may have to ampify up or down as well. And when you get it exactly right you...

AFAIK the format is identical. ADPCM was invented by Bell Laboratories in about 1969. I'm guessing that MS-ADPCM is Microsoft's implementation of ADPCM. It is an outdated codec and not a lot to say about it other than it is fast. There are much better codecs around now.