Quantcast

Ben McCann

Co-founder at Connectifier.
ex-Googler. CMU alum.

Ben McCann on LinkedIn Ben McCann on AngelList Ben McCann on Twitter

Android

Extracting AMR Audio from Android 3GP Files

03/18/2009

The Android MediaRecorder currently records audio in AMR format and stores that within a 3GP container which provides metadata for the recording. Thanks to Sebastian Annies at Core Media it is possible to extract the AMR audio from the 3GP file using isobox4j. If you can’t play .amr files on your Windows machine, then I Read More

Android Audio Recording Tutorial

03/11/2009

After many hours of trying to record audio on my Google Android device, I’ve finally arrived at a workable solution.  There were a few bumps along the way besides the horribly out of date MediaRecorder documentation, which was sorely lacking details.  For one, I could only get audio to record to the SD card.  Additionally, Read More