The most popular alternative is Audacity, which is both free and Open Source. If that doesn't suit you, our users have ranked 23 alternatives to DSP-Quattro so hopefully you can find a suitable replacement. Other interesting DSP-Quattro alternatives are WaveShop (Free, Open Source), AudioMass (Free, Open Source), Zynewave Podium (Freemium) and Amadeus Pro (Paid).
- Audacity is a free, open source, and cross-platform audio and music editor.
- WaveShop is a free, open-source audio editor for Windows XP/Vista/7. WaveShop is fast, lightweight, and bit-perfect, meaning samples aren't altered unless they need to be.
- AudioMass lets you record, or use your existing audio tracks, and modify them by trimming, cutting, pasting or applying a plethora of effects, from compression and paragraphic...
- Podium is a modern digital audio workstation (DAW) for Windows. It supports recording and editing of audio and MIDI, and hosts VST instrument and effect plugins.
- Amadeus Pro is a powerful multitrack audio editor supporting a variety of formats including MP3, AAC, Ogg Vorbis, Apple Lossless, AIFF, Wave and many others.
- Nero WaveEditor allows you to record pieces of music and edit the corresponding audio files, for example using various filters and sound enhancement methods.
- Leapic Audio Editor is a all-in-one audio editor, converter, recorder, player, splitter and joiner.
- DarkWave Studio is a free, open source, Digital Audio Workstation for Windows.
- The fastest way to edit audio files!Free Audio Dub is the free audio editing software that lets you delete unwanted parts from audio files without re-encoding.
- TwistedWave is a very easy to use and powerful audio editor.