Record live audio, convert, multi-track mix, filter, auto-split, with Audacity
Audacity is editor and recorder. It can record live audio, convert tapes and vinyl records into digital recordings or CDs, edit OGG Vorbis, MP3, WAV or AIFF sound files, Cut, copy, splice or mix sounds together, change the speed or pitch of a recording.
Features: Importing and exporting of WAV, AIFF, MP3 (via the LAME encoder, downloaded separately), Ogg Vorbis, and all file formats supported by libsndfile library. It supports Free Lossless Audio Codec (FLAC) and additional formats such as WMA, AAC, AMR and AC3 via the optional FFmpeg library * Recording and playing back sounds * Editing via Cut, Copy and Paste (with unlimited levels of Undo);
Multitrack mixing * A large array of digital effects and plug-ins. * Amplitude envelope editing * Noise Removal based on sampling the noise to be removed, with hardly any effect on music * Audio spectrum analysis * Multi-channel modes with sampling rates up to 96 kHz with 32 bits per sample * Precise adjustments to the audio’s speed while maintaining pitch (changing tempo), in order to synchronize it with video or run for a predetermined length of time * Changes to the audio’s pitch without changing speed;
Features of modern multi-track audio software including navigation controls, zoom and single track edit, project pane and XY project navigation, non-destructive and destructive effect processing, audio file manipulation (cut, copy, paste) * Automatically splitting the audio source into multiple tracks based on silences in the source material, and more…
If you don’t feel comfortable with new programs, here is a page that will help you learn how to use Audacity.