Audacity
Free, open source, cross-platform audio software. Audacity is an easy-to-use, multi-track audio editor and recorder for Windows, macOS, GNU/Linux and other operating systems. Developed by a group of volunteers as open source. Audacity can record live audio through a microphone or mixer, or digitize recordings from other media. Import, edit, and combine sound files. Export your recordings in many different file formats, including multiple files at once. Supports 16-bit, 24-bit and 32-bit. Sample rates and formats are converted using high-quality resampling and dithering. Support for LADSPA, LV2, Nyquist, VST and Audio Unit effect plug-ins. Nyquist effects can be easily modified in a text editor – or you can even write your own plug-in. Easy editing with Cut, Copy, Paste and Delete. Also unlimited sequential Undo (and Redo) in the session to go back any number of steps. Real-time preview of LADSPA, LV2, VST and Audio Unit (macOS) effects. Plug-in Manager handles plug-in installation.
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WavePad
This audio editing software is a full-featured professional audio and music editor for Windows and Mac. Record and edit music, voice and other audio recordings. When editing audio files, you can cut, copy and paste parts of recordings, and then add effects like echo, amplification and noise reduction. WavePad works as a WAV or MP3 editor, but it also supports a number of other file formats including VOX, GSM, WMA, real audio, AU, AIF, FLAC, OGG, and more.
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Wavosaur
Wavosaur is a cool free sound editor, audio editor, wav editor software for editing, processing and recording sounds, wav and mp3 files. Wavosaur has all the features to edit audio (cut, copy, paste, etc.) produce music loops, analyze, record, batch convert. Wavosaur supports VST plugins, ASIO driver, multichannel wav files, real time effect processing. The program has no installer and doesn't write in the registry. Use it as a free mp3 editor, for mastering, sound design. The Wavosaur freeware audio editor works on Windows 98, Windows XP and Windows Vista. Go to the features page for an overview of the software. All classic editing functions, cut, copy, paste, paste mix, paste replace/insert, paste to new file, trim/crop, delete, undo. Many processing options, mute, channel convert (stereo->mono, mono->stereo), insert silence, change volume, normalize level, fade in/out, invert/flip, undo.
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AVS Audio Editor
Record audio data from various inputs like microphone, vinyl records, and other input lines on a sound card. Extract and edit audio from your video files. Remove noise and irritating sounds like roaring, hissing, crackling, etc. Turn written text into a natural sounding voice with Text-to-speech function. Select between 20 built-in effects and filters including delay, flanger, chorus, reverb, reverse, echo and more. Mix audio and blend several audio tracks together. Edit all popular formats MP3, FLAC, WAV, M4A, WMA, AAC, MP2, AMR, OGG, etc.
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