• True 16-bit sound file playback (including AU/ADPCM files) using Sound Manager 3.0 and appropriate hardware;
• Added preferences for 16-bit conversion, 16-bit AU/ADPCM playback, fast Macs which can play CD-quality sounds, MOD volume;
• Added support for Sound Designer and stereo SoundEdit files;
• Can now convert 16-bit AIFF files and AIFF-C files;
• Added convert to sound suitcase option;
• Added stereo and 16-bit indication to Status window, plus playback time estimation;
• Added 'aete' resource for Apple Event and AppleScript usage and more icons;
• Added new version of Infinity WDEF, now uses Sound Trecker 2.0 MOD routines, and went to Dragonsmith 1.1.1; and
• Random bug fixes.
1.1.1, May 25, 1994.
• Fixed bugs with SoundCap playback, stereo AU conversion and cancel on suitcase conversion.
1.2, July 20, 1994.
• Conversion to AIFF/AIFF-C, WAVE and NeXT formats;
• Play Lists can now be saved and opened;
• Drag Manager support for dragging files into the Play List;
• New Preferences dialog using a scrolling icon list and added a conversion section;
• Application menu is now accessible while playing sounds;
• Added support for compressed Amiga IFF (8SVX) files;
• MOD conversion now uses default sample rate;
• Added 44-kHz playback option for MOD files;
• MOD playback now uses MultiFinder temporary memory allocation facilities allowing the application partition size to be reduced to 400K;
• Added a help section explaining the various file formats;
• Bug fixes for Status window, Sound Designer playback, large file playback, files dragged and dropped while playing, recursive conversion, and playback of non-sampled 'snd ' resources.
1.2.1, July 26, 1994.
• Fixed 8SVX non-DB playback;
• Added Convert menu item.
1.2.2, July 31, 1994.
• Fixed bug with 'snd ' to WAVE conversion;
• Now allows dragging of files out of Play List.
1.3, September 28, 1994.
• Added support for the following formats:
  ◊ MS ADPCM WAVE (compressed WAVE)
  ◊ A-law
  ◊ Normal and compressed Instrument files, e.g. Super Studio Session
  ◊ G.721 and G.723 ADPCM in AU files
  ◊ More MOD variants (using the Sound Trecker 2.2.3 drivers)
• Added support for converting QuickTime movies to AIFF and System 7 sound files;
• Added support for the extraction and conversion of audio CD data;
• MACE-compressed AIFF and 'snd ' resources can now be converted to WAVE and NeXT;
• Added Convert To popup menu to the Convert dialog box;
• More errors are reported in the Errors window instead of a modal dialog;
• MOD samples are now converted to 16690-Hz samples, MODs can be played at 16-bit resolution, and more information about MODs is printed in the Status window;
• Fixed bug which caused two null bytes to be prepended to sound data during conversion;
• Fixed compatiblity problems with AutoDoubler-compressed 'snd ' files;
• Fixed option-dragging bug in Play List;
• Fixed bug when playing a file that had previously been dragged from the Play List to a Finder location on the same volume.
1.3.1, October 6, 1994.
• Fixed 'snd ' to WAVE conversion bug;
• Mis-sampled type 2 HyperCard 'snd ' resources are now converted properly.
1.4, January 19, 1995.
• Fixed option-dragging and resizing cosmetic bugs in Play List;
• Fixed double-deletion bug when a File Not Found error occurs while processing the Play List;
• Fixed menu-enabling bug when AppleEvents are sent while a dialog is open;
• Fixed 'BNDL' resource to allow proper usage with Mosaic;
• Conversion and playback of 'snd ' resources in some applications will no longer crash SoundApp;
• Improved and rearchitected the MS ADPCM WAVE routines for more robustness;
• Fixed a multitude of 16-bit conversion bugs, Convert 16-Bit To 16-Bit preference now works correctly with all conversions;
• Fixed bug which would lose a few bytes when converting WAVE and AIFF files;
• Converting MACE-compressed 'snd ' resources to AIFF now results in files with the correct file type;
• Fixed bug when converting between 3-to-1 MACE-compressed 'snd ' resources and AIFF-C;
• Fixed bug with converting 3-to-1 MACE-compressed files to an uncompressed sound format;
• Removed trailing click from some WAVEs;
• Now allows dragging of multiple files from the Play List to other applications;
• Now ignores invisible files, e.g. “Icon”;
• Now displays the internal song title for MODs in the Status window;
• Fixed bug which would delete the last successfully converted file when the destination volume runs out of space;
• Fixed bug when sounds which are larger than the free memory are played without double buffering;
• Fixed crashing bug when converting 'snd ' resources to a full disk;
• Now will quit after Error window is dismissed if Auto Quit When Done preference is enabled;
• Renamed Prompt For New Directories preference to Prompt For Output Location;
• Cleaned up some of the icons;
• Rewrote Status window code, updates now work while uncompressing SoundCaps.