Top "Core-audio" questions

Core Audio is a low-level API for dealing with sound in Apple's macOS and iOS operating systems.

Converting audio to CAF format for playback on iPhone using OpenAL

I am using the SoundEngine sample code from Apple in the CrashLanding sample to play back multiple audio files. Using …

iphone core-audio openal afconvert
Text to speech on iPhone

Is there any way we can convert text to speech in an iPhone app? Is it possible using the SDK?

iphone core-audio
Drawing waveform with AVAssetReader

I reading song from iPod library using assetUrl (in code it named audioUrl) I can play it many ways, I …

iphone objective-c core-audio ipod waveform
How to use afconvert to convert from .caf to .mp3 format?

I am using the afconvert command line utility to convert an audio file from .caf to .mp3 format. I have …

iphone core-audio
Example of using Audio Queue Services

I am seeking an example of using Audio Queue Services. I would like to create a sound using a mathematical …

objective-c audio core-audio audioqueueservices
Record and play audio Simultaneously

Any one help to me to record and play audio Simultaneously in Iphone.

ios objective-c core-audio audio-recording
Real-time Pitch Shifting on the iPhone

I have a children's iPhone application that I am writing and I need to be able to shift the pitch …

iphone audio core-audio pitch pitch-tracking
How to control hardware mic input gain/level on iPhone?

My audio-analysis function responds better on the iPad (2) than the iPhone (4). It seems sensitive to softer sounds on the iPad, …

ios core-audio remoteio
Sound not playing with AVAudioPlayer

I've searched and I believe my problem is quite unique. I'm aware of the Simulator 5.1 bug when using AVAudioPlayer which …

iphone ios audio avaudioplayer core-audio
AVPlayer vs. AVAudioPlayer

The documentation for AVPlayer states the following: [The] player works equally well with local and remote media files However, the …

iphone audio streaming ios4 core-audio