Aften -> Version History

This is the version history page for Aften, showing the last 20 software updates. You can return to the main page for this software by clicking here.

Index:

• Version 0.08 (Sep 10, 2007)
• Version 0.07 (Apr 26, 2007)
• Version 0.06 (Feb 1, 2007)
• Version 0.05 (Nov 8, 2006)

• Release Date: Sep 10, 2007
• Release 0.0.8 has mostly bug fixes since version 0.07. The versioning scheme for the Aften package has been changed to match the libaften shared library version number. A significant internal change is in the audio input module. Previous versions read WAVE files only, but for Aften 0.0.8, the audio input module was restructured to support raw PCM audio and to make it easier to provide future support for other audio formats.

• Release Date: Apr 26, 2007
• added C++ bindings (pass -DBINDINGS_CXX=1 to cmake to build them)
• API change of helper functions
• new and more precise bitalloc algorithm
• parallelization
• optional faster exponent strategy decision
• added SSE version of window function
• added MMX and SSE2 versions of some exponent related functions
• removed old build system
• frame-independent variable bandwidth
• minimum and maximum bandwidth settings for variable bandwidth mode
• altivec support framework (by David Conrad)
• altivec MDCT (by David Conrad)

• Release Date: Feb 1, 2007
• added SSE/SSE3 mdct code (based on vorbis lancer by blacksword8192)
• added runtime SIMD detection code (Prakash Punnoor)
• added CMake build system with shared lib/dll support
• optional faster bit allocation by reducing accuracy/quality
• replaced MDCT code with implementation from libvorbis
• added Dynamic Range Compression encoding w/ profile selection
• improved exponent strategy decision
• accuracy increase in bit allocation
• new longhelp option for detailed commandline info

• Release Date: Nov 8, 2006
• bit allocation speedup by Prakash Punnoor
• compile-time choice of using floats or doubles internally
• internal restructuring of MDCT functions
• more bit allocation speed-ups and bug fixes
• quality=0 is now a valid setting