Optimized uncompressed audio file for iPhone SDK Development

April 18, 2009 § Leave a comment

It is possible to keep the sample rate as high as 44,100 Hz, CD quality on uncompressed audio.

The most important decision you would have to make are the Sample Format type and quality.

Even .mp3 is one-tenth of audio file size compared to .wav, .mp3 is considered a compressed audio files. It may be ideal for system sound for audio less than 30 sec for playing a sound at a time.

For multiple audio file playing, it is ideal to take the extra time and efforts to use .caf audio files, optimized for Apple iPhone. .caf is uncompressed.

These are valuable tips in keeping the audio files optimized for audio intensive applications. Reduce the silence heading and tail of audio. Or even fade out ending portion of audio. Consider starting the audio at a prompt starting point.

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