On Aug 23, 2009, at 7:53 PM, DKJ wrote:
I've downloaded the Audacity application, but the best I can get
from it seems to be 12,000 Hertz. Other programmes I've tried (demo
versions mostly) won't let me set an absolute frequency.
Your question has nothing at all to do with Cocoa developm
I just need one more thing to finish my application: five .aiff sound
files. Each of them needs to have three properties:
(1) Be one second in duration.
(2) Play a 3-pulse Morse code sequence (DAH-dit-DAH etc.).
And here's the tricky bit:
(3) Play at a frequency of 19,000 Hertz.
I've managed
