I was importing six tracks. But I figured out what the problem was, one of them was only partially downloaded. Thanks anyway!
| From sean
| Sat, 30 Sep 2006 15:16:58 -0700 (PDT)
| Subject: [Audacity-help] bug
| I am editing a podcast and when I put in 6+ tracks Audacity crashes.
| Is this normal behavior? What reccomendations do you suggest?
Do you mean you are importing or recording six tracks? Particularly if you
are recording six tracks you need a fast enough computer with sufficient
RAM, properly set up to handle the amount of data involved. If you are
doing long or multitrack recordings Audacity probably needs at least four
times the stated minimum requirements of 64 MB RAM and 300 MHz
Please look through the list I have pasted in below of tips which usually
help with these kind of problems. The list is mainly concerned with
recording problems but much of it is relevant: you particularly want to
look at enabling DMA on the drive if possible, reducing bit depth to 16
bit, and updating the soundcard drivers. Those and more are discussed
If you have any further questions, please tell us what operating system
you are on (e.g. Windows XP, OS X 10.4), what version of Audacity
you are using (see Help > About in the program), and the RAM (MB)
and speed (MHz) of your computer.
Here are some general tips on avoiding recording problems.
* Close all other programs while recording. Be aware of background
virus scanners and other system tray programs. Norton, Sophos and other
anti-virus products scan each file as it is opened and closed by default.
On a slow computer this scanning can affect recording as it takes too long.
* Reduce the bit depth for recording and importing from the default
32 bit to 16 bit. This is set at Edit > Preferences > Quality: Default
Sample Format. Reducing the bit depth halves the amount of data stored
and the time taken to write it to the disk.
* Don't record stereo unless you have to. Stereo requires your machine
to handle twice as much data. A single instrument or solo vocal track should
usually be recorded mono. You can position it in the stereo mix later. To
record in mono, set recording channels to "1 (mono)" on the Audio I/O
tab of Preferences.
* Turn off "Auto-scroll while playing". This stops the display re-drawing
as the recording is made. Stopping this reduces the amount of processing
the display uses, freeing power for recording. This is set under File >
Preferences on the Interface tab. Alternatively minimise Audacity during the
* Zoom out to the whole length you will be recording
* Disable the recording level meter in Audacity Preferences > Interface
as this will conserve resources on a slower computer
* Make sure your system swap or paging file is large enough. As a working
rule, with RAM of less than 512 MB the swap file should be set to 1.5 times
the available RAM. Recordings will stop if the swap file is full and cannot
be increased in size and there is no RAM left to use.
* Defragment your hard drive (only affects Windows users). This increases
the speed your computer can read and write information at by ensuring that
files are kept close together in a logical manner.
*Windows 2000/XP users can try increasing the priority of Audacity
in Task Manager. On GNU/Linux you can run as root (back up everything
first and not recommended unless you are on a standalone machine)
* Make sure (Windows/Linux) that DMA mode is enabled for your
hard drive - see
*Try to avoid interrupt sharing for your soundcard
* Update your hardware drivers to avoid conflicts and get better
hardware performance. Key targets are:
o Sound Card. This is also a common cause of crashes, especially
o Video (Display) Card
o Hard Drive controller - This is especially important for RAID and
other high performance controllers.
* If you are making a long recording and you will be away from the
computer, it is advisable to disable any screensaver you have. Simply
switch the monitor off instead
* If you have audio equipment such as microphones or amplifier close
to the computer, consider moving them apart, altering the grounding so
that the PC is not grounded together with the audio equipment, and using
high quality shielded audio cable, to prevent extraneous noises from the
equipment or the computer seeping into the recording.
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