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2014/10/15 ¤U¤È 10:09:23

iphone Programming Glossary: freq

How do you completely remove and release memory of an OpenAL sound file?

http://stackoverflow.com/questions/2035975/how-do-you-completely-remove-and-release-memory-of-an-openal-sound-file

for this sound alGenBuffers 1 bufferID Set up the variables which are going to be used to hold the format size and frequency of the sound file we are loading ALenum error AL_NO_ERROR ALenum format ALsizei size ALsizei freq ALvoid data NSBundle.. format size and frequency of the sound file we are loading ALenum error AL_NO_ERROR ALenum format ALsizei size ALsizei freq ALvoid data NSBundle bundle NSBundle mainBundle Get the audio data from the file which has been passed in CFURLRef fileURL.. bundle pathForResource aFileName ofType aFileExt retain if fileURL data MyGetOpenALAudioData fileURL size format freq CFRelease fileURL if error alGetError AL_NO_ERROR NSLog @ ERROR SoundManager Error loading sound x n error exit 1 Use the..

Tone Generation in Cocoa Touch

http://stackoverflow.com/questions/347250/tone-generation-in-cocoa-touch

Generation in Cocoa Touch I need to generate a tone that I can manipulate frequency and wave. The overall goal is to create a basic piano. Does anyone know how I can achieve this My development platform.. now Sample mono if start now now start duration internalRender now mono class MonoSinNote public MonoNote Time freq Sample amplitude protected void internalRender double now Sample mono const double v sin 2 M_PI now start freq mono amplitude.. Time freq Sample amplitude protected void internalRender double now Sample mono const double v sin 2 M_PI now start freq mono amplitude v public MonoSinNote Time s Time d Time f Sample a MonoNote s d freq f amplitude a ~MonoSinNote share improve..

Performance counters on the iPhone

http://stackoverflow.com/questions/634144/performance-counters-on-the-iphone

I would use the following functions QueryPerformanceCounter LARGE_INTEGER ctr QueryPerformanceFrequency LARGE_INTEGER freq Does anything like this exist on the iPhone Whats the highest resolution I can time something without using an external..