How can I record AMR audio format on the iPhone?

Question

A voice recorder doesn\'t need uncompressed Linear PCM audio. Compressed AMR would do fine. The iPhone framework built for recording audio is simple enough, b

Answer 1

You can record audio to a uncompressed Linear PCM buffer (circular or ring), and, in another thread, convert data in this buffer, using your own AMR (or other) compression engine, before saving the compressed audio data to a file.