Music Speed Changer allows you to change the speed of the audio files on your device in real time without affecting the pitch (time span), or change the pitch without changing the speed (pitch shift). Alternatively, both speed and pitch can be adjusted together with a single control. The app is also a music looper + you can slow down the song and looped sections of the music for easy practice. Another feature is the ability to reverse audio (play music backwards).
+ Pitch Shift: Shift the pitch of the song up or down 24 semitones +, with fractional semitones + allowed.
+ Time Extension: Change the audio speed from 10% to 500% of the original speed (change the BPM of the music).
+ Uses a professional quality pitch shift and time stretching engine.
+ Velocity adjustment: change the pitch and tempo of the audio together.
+ Music looper: seamlessly repeat sections of audio and practice over and over again (AB repeat player).
+ Advanced loop function
+ Reverse music (play backwards). Decode the secret message or learn a passage back and forth.
+ Play Queue: Add a folder or album to the play queue and add / remove individual tracks.
+ Waveform view showing audio contours for precise search.
+ Equalizer: 8-band graphic equalizer and preamp and balance control.
+ Analyze the audio to show the BPM and the musical key of each track.
+ Markers: marker positions in your audio.
+ Audio effects
+ Ideal for creating Nightcore or Fast Music creations.
+ Export your settings to an MP3 (.mp3) or WAV file to share or play on another music player.
+ Save an altered version of the entire track or just the captured loop section.
+ Modern and easy to use material design user interface.
+ Light and dark themes.
+ Integrated audio recorder.
+ Completely free and without restrictions in this music speed controller.
(4.1 and up)
KitKat (4.4 - 4.4.4),Lollipop (5.0 - 5.1.1),Marshmallow (6.0 - 6.0.1),Nougat (7.0 – 7.1.1),Oreo (8.0-8.1), Pie(9.0)