Please do not post the same thing multiple times. The board software automatically flags certain posts as needing moderator attention. This happens the most often for new users. I'm pretty sure this is made clear at the time you attempt to post. Posting the same thing over and over again just makes that many more posts the moderators have to weed through later. This makes us sad. Don't make us sad. If your post/thread doesn't appear, just wait a while. Don't post it again. If it hasn't shown up by the next day, then you can try again. I normally go through posts in the mornings, and try to check a few times throughout the day, but I'm not here 24/7. There will typically be a significant delay before posts are approved. Just be patient.
I'd like to draw the Frequencies spectrum of a sound that I am recording (all that on iPhone). I know how to record the sound (in AIFF or in CAF) thanks to Apple documentation and code sample.
But now I'm stuck. I don't know how to read my sound file, chunk by chunk to draw (first thing) the signal wave (like Audacity does for instance). I'm able to open it and go to the sound data section, but then?