On Tue, Apr 2, 2013 at 10:28 AM, <fs@tcowan.net> wrote:

If I try to import the
audio as raw format in audacity you can hear some high pitched talking
that plays back very quickly.

When you import as raw data, try changing the sample rate to 8000.

The reason Audacity can't open the file is because the header, which specifies the encoding, channels, sample rate, etc. is damaged or missing.

Steve