Music Speed ​​Changer changes audio tempo (speed ) and pitch in realtime quick and easy . Just select an audio file , select the area you want to play (and loop / repeat ) and change tempo and pitch on the fly.
Use cases of Music Speed ​​Changer they are for example: practicing guitar and other musical instruments , transcriptions , change the speed of audio books, language learning ...
+ Change pitch and tempo ( speed, time stretching ) independently
+ Support for arbitrary pitch ( even deviate from semitones)
+ Import of various formats , including MP3 , WAV , M4A , OGG , AAC, ...
+ Export to wav and mp3
+ Amplify volume
+ Play left / right channels separately ( eg for the formation duo )

For More Information Visit GooglePlay
Supported Android
{2.3 and up}
Supported Android Version:-
Gingerbread (2.3–2.3.7), Honeycomb (3.0–3.2.6), Ice Cream Sandwich (4.0–4.0.4), Jelly Bean(4.1–4.3.1), KitKat (4.4–4.4.4), Lollipop (5.0–5.0.2) or UP

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