AudioRetoucher mainly used by musicians as MP3 key shifter, but it also can detect BPM values for MP3 files and adjust tempo in real time.
AudioRetoucher Main Features:
Karaoke MP3+G support - if you have CDG file for your audio track then graphics part of the song will be adjusted so the lyrics are in sync with music after changing Tempo and Speed.
Support for MP3, M4A, WMA, FLAC, OGG, AIFF and WAV files
Change Speed - filter to change both Speed and Pitch of audio file.
Change Pitch - filter to increase or decrease the Key of an audio file in semitones (from -6 to +6 semitone with 0.1 step) without changing the Tempo. Used to change the key of a song.
Change Tempo - filter to increase or decrease the Tempo in percents without changing the Pitch(Key). Used to slow down music
Bass Boost - filter to Amplify Low Frequencys of audio file.
Treble Enhancer - filter to Amplify High Frequencys of audio file.
BPM detector - count song's Beats Per Minute.
Super fast processing speed provided as it full supports Intel Core2 Processor and AMD Phenom Processor which ensures full use of your CPU.
Keeps ID3 tags after processing
Easy to use as all settings are displayed in the interface which are easy to handle.
Lifetime free upgrades
Supported OS: Windows Vista, Windows 7, Windows 8, Windows 10
DJs can use AudioRetoucher to make the music tempo suitable for dancing.
Singers can change the key of backing track to match the voice.
Dictation and Transcription tasks
Funny sound effects
...and much more