MP3 Pitch Changer vs variStretch

Real-Time audio speed and pitch adjustment with Reverb, Delay, Echo & Distortion effect. An audio speed changer and pitch shifting app designed for musicians & singers. You can easily change the speed and pitch of audio files on your iPhone/iPad device either independently or at the same time. Useful for practicing fast songs, or those that need different tunings. Simple controls and clear visuals make Up Tempo easy to use without compromising accuracy. Modify the frequency or tempo of your sound files by simply moving two sliders. If you move the speed slider, your music will play in slow motion or faster. On the other hand, if you move the pitch slider, you will get a high-pitched or low-pitched audio. Apply effects on your audio. By playing with the sliders, you can get a squirrel or evil voice. You can also export your adjusted song & share with friends or listening in another player. Mp3 Pitch Changer Features: - Alter the pitch- change song pitch up or down - Change the tempo - change audio speed to a % of original speed - Support various formats of audio files. - Play instantly with real-time audio speed and pitch adjustment with Reverb Delay Echo & distortion effect. - Export adjusted song in m4a format - Save settings for use another time. - Real-Time audio speed and pitch adjustment - You can also save the adjusted audio file.

Concept: The app is a so-called time-stretch machine. The user can change the speed (0.5-2.0) of audio source in real-time using keyboard or slider at will. Usage: There are three play modes: 1) Tape (to change the both speed & pitch) 2) Phase Vocoder (to change the speed alone) 3) Thru (no processing) "Buffer Size" slider determines how long the data will be stored. "Buffer Clear" button will reset the buffer to be zero. System Requirements: AUv3 host