SynthMaker is a graphical programming environment for creating VST instruments and effects plug-ins. You can also use SynthMaker to learn about and experiment with Digital Signal Processing (DSP) so it's a great educational tool as well. The software works by providing a collection of building blocks that you can link together. Your completed synth or effect can then be exported as a standalone plugin that can be used in other audio applications.

iZotope Vinyl for Winamp is a free DSP plug-in that uses advanced filtering, modeling and resampling to create authentic 'vinyl' simulation, as if the audio was a record being played on a record player.

Easy Hi-Q Converter is the easiest, most unique, time-saving audio file converter! Input any mix of 18 types at once. Convert to as many as 9 formats for each file. Convert from MP3, WMA, WAV, OGG, AVI, AIFF, AU to MP3, WMA 9, WAV, OGG and more! There is a built-in Explorer interface. Add hundreds of files with just one click or Drag and Drop! Convert from Studio quality, 48kHz to 8kHz or 320Kbps to 5Kbps. Also has an ID3v1,2 editor and a player.

ACM Converter ActiveX 1.0 is an OCX control for software developers that can convert ACM WAV files from one format to another. Supported formats are: AC3, CCITT A-Law, CCITT u-Law, DivX WMA Audio V1 or V2, DSP Group True Speech, GSM 6.10, IAC2, Lame MP3, Microsoft ADPCM, MSN Messenger Audio Codec, OGG Vorbis (All modes), PCM, and any other ACM format that installed on the local PC. Including Visual Basic and NET samples with source code.

Fair-Sound employs a sophisticated system of intelligent filters to compensate for ours ears' nonlinear response at low volumes. By adjusting the low and high ends of the spectrum so that they appear to maintain the same relative loudness to that of midrange sounds, Fair-Sound provides the listener with a satisfying listening experience at any volume!

Audio enhancement plugin for the most popular media players like Winamp, Sonique.
GogoL! is designed to enhance the listening experience for users of Internet audio formats such as MP3, and Microsoft's Windows Media streaming format.
GogoL! enhances Internet oriented audio listening experiences by correcting for the sonic limitations of all the popular data compressed Internet audio formats.

The SRS Audio Sandbox is the ultimate audio enhancement software for the PC. Features:--Sleek easy-to-use interface design with energized light pulses.--Amazing surround sound-even from 2 speakers, using SRS Labs? state of the art audio enhancement technology--Enjoy deep & rich bass-even from smaller speakers!--Choose from many cool presets for all your music, videos, and games---Includes custom settings for 2 or more speakers, or headphones.

As a plug-in for Windows Media Player 9, Winamp 2, and Winamp 3, Ozone adds warmth, bass, sparkle and an overall desirable sound to your MP3s. Unlike other 'enhancers', it does so by modeling the analog characteristics of vintage audio equipment such as tube amplifiers and valve equalizers. So instead of sounding harsh and hollow, your music sounds deep and full.

As a plug-in for Windows Media Player 9, Winamp 2, and Winamp 3, Ozone adds warmth, bass, sparkle and an overall desirable sound to your MP3s. Unlike other 'enhancers', it does so by modeling the analog characteristics of vintage audio equipment such as tube amplifiers and valve equalizers. So instead of sounding harsh and hollow, your music sounds deep and full.

As a plug-in for Windows Media Player 9, Winamp 2, and Winamp 3, Ozone adds warmth, bass, sparkle and an overall desirable sound to your MP3s. Unlike other 'enhancers', it does so by modeling the analog characteristics of vintage audio equipment such as tube amplifiers and valve equalizers. So instead of sounding harsh and hollow, your music sounds deep and full.

The iWOW is the ultimate iTunes audio enhancement plug-in for Mac users. Features:
-Sleek easy-to-use interface design with energized light pulses
-Amazing 3D sound, using SRS Labs? state of the art audio enhancement technology
-Enjoy deep & rich bass-even from smaller speakers!
-Choose from many cool presets for you music, videos, and Podcasts
-Includes custom settings for desktop speakers or headphones
-Compact mini mode display option

A digital audio processing .NET class library that lets developers create their own sound filters or use the ones implemented by the author, such as Gain, Delay, and Reverb, as well as the ability to read and write .WAV files. The library tries to be as systematic as possible; most classes inherit from the SoundObj class. It is not a strong-named assembly so it can?t be registered in the Global Assembly Cache. It is not marked as CLS compliant.