Release Notes: Updates were made in codec support. Timing base for gsm codec was added. The g.721/g.723/g.726 family of adpcm codecs was introduced, along with new raw adpcm .a24/.a32/.a40 file extensions.
Release Notes: Better debugging options and packet mode I/O operations.
Release Notes: Audio "limit" control, header fixes, and namespace support were added.
Release Notes: This release adds virtualization of I/O methods so the AudioFile base class can be combined with alternate I/O sources, such as Common C++ URLStream.