Exploring iPhone Audio Part 7
Tuesday, April 15th, 2008 Posted in Software Development, iPhone | 16 Comments »In the last article of this series we started looking at iPhone audio playback. This time we are going to see how to actually play an audio file that our applicaiton has recorded. The startPlayback method sets everything up for audio ...
Exploring iPhone Audio Part 6
Monday, April 14th, 2008 Posted in Software Development, iPhone | 1 Comment »In Part 5 of this series we added a simple user interface to control the audio recording process. A UILabel was added to display the status. Also two buttons were added to control both recording and playback. Up to this ...
Exploring iPhone Audio Part 5
Saturday, April 5th, 2008 Posted in Software Development, iPhone | 4 Comments »Part 4 of this series talked about writing recorded audio data to a file. In this article we will set create a very simple user interface so we can control the audio functions. We are going to add a UILabel control ...
Exploring iPhone Audio Part 4
Wednesday, April 2nd, 2008 Posted in Software Development, iPhone | 1 Comment »In Part 3 of this series of articles we created the AudioInputCallback function that does nothing more than log that it is being called. In this article we'll learn how to create an audio file in the Document directory of ...
New iPhone SDK Available for Download
Thursday, March 27th, 2008 Posted in iPhone | No Comments »Version 9a2151 of the iPhone SDK is available from the Apple iPhone Developer web site. This version includes the much awaited Interface Builder tool for building graphical interfaces visually.
Exploring iPhone Audio Part 3
Wednesday, March 26th, 2008 Posted in Software Development, iPhone | 2 Comments »In the last article we learned how to open a new audio input queue, allocate some buffers and enqueue the buffers for recording. Now we are going to see an extremely simple audio input callback function and learn how to start ...
Exploring iPhone Audio Part 2
Tuesday, March 25th, 2008 Posted in Software Development, iPhone | 1 Comment »Last time we created the RecordState structure to keep track of the recording state. We also configured the recording parameter to record 8000 samples per second, 16 bit, mono audio. Now we can create the audio output queue with the following ...
Exploring iPhone Audio Part 1
Monday, March 24th, 2008 Posted in Software Development, iPhone | 1 Comment »The iPhone has the ability to record and playback audio in various formats. This functionality has uses in a multitude of different applications. You could create a simple audio clip recording and playback application or a full blown audio conferencing ...
