TL:DR; Listen to your work when you want!
Let the computer read your documents so that you can listen to them later.
This program uses its artificial intelligence to guess chords for you. All you have to do is to load a media file (wav or mp3) and click a button. Chord Pickout will transcribe the music and write down the recognized chords automatically.
Convert audio between MP3, WMA, WAV, M4A, AMR, OGG, FLAC, MP2 and other popular audio formats. Export and convert audio from your video files. Create ringtones and audio-books for iPhone. Use a command line mode for automatic conversion process.
Acala Video mp3 Ripper is an easy-to-use program which can extract audio track from videos of most popular formats and make them into audio files. The enhanced build-in encoder compresses efficiently and outputs files with best quality.