iXBT Labs - Computer Hardware in Detail






Audio compression performance test packet support page

Version 1.2 (of 09.12.2003, audio-1.2.exe, 749 KB)

  • The disbalance between the lossy and lossless audio codecs is completely done away with in the test packet. 
  • OptiFROG lossless codec added. 
  • Monkey's Audio lossless codec added.  
  • Now the test packet measures time of compression for four lossy codecs (GOGO, LAME, OGG Vorbis, WMA9 VBR) and four lossless ones (FLAC, OptiFROG, Monkey's Audio, WMA9 Lossless). 
  • All required software except the Windows Media Encoder 9 in included into the test packet. 
  • Compatibility is maintained: the test results of v1.01.2 are identical (except the subtests added). 
  • For your convenience, apart from options for running certain subtests (like <-lame>) and the entire test packet (<-all>), there are <-lossy> and <-loss> options added - for running all subtests with lossy and lossless coders. 

Version 1.1 (of 08.12.2003, audio-1.1.exe, 650 KB)

  • Minor changes in the script, they they do not influence an outcome of the subtests eariler included into the packet (diagnostic data displaying improved). 
  • No defragmentation if none of the subtests runs (i.e. if the script stops with an error message or help information). 
  • Subtest with the FLAC lossless audio codec added (by readers' request). The codec is included into the test packet distribution. 

Version 1.0 (of 05.12.2003, audio-1.0.exe, 583 KB)

  • First public test packet release. 
  • Note that some tests (Windows Media Audio encoding) do not work without the Windows Media Encoder 9 which is not included into the test packet. 
  • The file to be encoded (TEST.WAV) is not included into the test packet. 

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