deCoda

zplane deCoda is a song analysis and practice tool for producers, musicians and singers who want to understand recordings by ear and eye. Import an audio file to get estimated tempo, key, chords and song sections, then refine the analysis as needed. Beat- and bar-based navigation makes it easy to loop a tricky phrase or study how a chorus fits together. Slow down fast passages with elastique Pro time-stretching, or shift the key to suit your voice or instrument. Focus EQ helps emphasize parts within a stereo mix, while inverted Focus reduces the selected area for backing-track practice. A spectral piano roll lets you identify notes for transcription, audition them and export the results as MIDI to your DAW or notation software. It suits hobby producers studying arrangements, players learning covers and anyone turning listening sessions into practical musical insight.