• CoolEdit96 (Registered) was used to edit the .WAV files and generate the sample tones.
• RealProducer G2 v6.0.3.271(Free Version) was used to create the sample G2 files.
• RealPlayer G2 v6.0.5.27 was used to listen to the G2 files.
• Xing's AudioCatalyst v2.0 (Registered) was used to rip raw audio from my CD and, separately, to create the sample MP3 files.
• Microsoft's Windows Media Encoder v4.0.0.3688 was used to encode the sample MS Audio v4, ACELP.Net, G.723.1, VoxWare MetaVoice, and Lernout & Hauspie CELP files.
• The Windows Media Player v6.02.05.0410 was used to listen to all ASX files.
• WinAMP v2.10 was used to listen to some of the MP3 files.
• Sonique v0.90b was used for some MP3 tests
• freeamp v1.2 was used for some MP3 tests
• XingMP3 Player v1.0.0 was used for some MP3 tests