Music Speed Changer

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Easily adjust the speed and pitch of your music and other audio files — independently or together. With Music Speed Changer, you can modify playback speed without altering the pitch (time stretching), or shift the pitch without affecting the tempo (pitch shifting). You also have the option to control both parameters simultaneously using a single slider. This makes it ideal for musicians, students, and audiophiles who want greater control over their listening experience.

Additionally, this app functions as a powerful music looper. Slow down a song’s tempo and loop specific sections for easier practice or detailed analysis. Once you’ve made your adjustments, you can export the modified audio as an MP3, FLAC, or WAV file — perfect for sharing with friends or playing on other devices.

Ideal for Musicians and Audio Enthusiasts

Whether you're learning a new instrument, transcribing solos, speeding through audiobooks, or experimenting with Nightcore-style edits, Music Speed Changer is packed with features to enhance your workflow. It's more than just a tempo changer — it's a complete audio manipulation tool designed with flexibility and quality in mind.

Key Features

• Pitch Shifting: Adjust the pitch of any track up or down by up to 24 semitones, with support for fractional tone changes. Customize the pitch range via the app’s Settings.
• Time Stretching: Modify playback speed from 15% to 500% of the original — great for changing BPM without affecting pitch.
• Professional Audio Engine: High-quality time-stretching and pitch-shifting algorithms ensure clear and natural sound reproduction.
• Formant Correction: Enhance vocal clarity during pitch shifts for a more natural sound (Pro feature, requires in-app purchase or subscription).
• Rate Adjustment: Change both pitch and tempo simultaneously with one intuitive control.
• Supports Most Audio Formats: Open and edit a wide variety of audio files effortlessly.
• Advanced Music Looping: Set seamless AB loops for repeated playback, and use advanced looping controls to jump between measures instantly after capturing the perfect loop.
• Reverse Playback: Play audio backwards to uncover hidden messages or master difficult passages in reverse.
• Playback Queue: Build custom playlists by adding folders, albums, or individual tracks — with easy add/remove functionality.
• Waveform Visualization: Navigate your audio precisely using the visual waveform display.
• Graphic Equalizer: Fine-tune your sound with an 8-band EQ, preamp, and balance controls.
• BPM and Key Detection: Analyze tracks to automatically detect BPM and musical key.
• Markers: Bookmark important moments in your audio for quick reference.
• Audio Effects: Apply echo, flanger, reverb, or reduce vocal levels for karaoke-style playback.
• Audio Separation: Use Track Splitter and Isolation tools to extract vocals, drums, bass, and other instruments from any song (requires Android 64-bit OS and 4 GB+ RAM).
• Nightcore & Fast Music Ready: Create high-energy remixes or fast-paced edits with ease.
• Export Customized Audio: Save your edited tracks in MP3, FLAC, or WAV format. Adjust file quality and format via Settings.
• Custom Loops as Ringtones: Export only the looped section of a track — ideal for creating personalized ringtones.
• Modern UI: Clean, user-friendly interface built with Material Design principles.
• Light & Dark Themes: Choose the visual mode that suits your environment.
• Built-in Recorder: Record directly within the app for quick access to voice memos or external audio sources.
• Free & Powerful: Full-featured audio controller available at no cost (Formant Correction feature requires in-app purchase or subscription).
• Instant Playback: No waiting for local files to decode — enjoy immediate playback and real-time adjustments.

What's New in Version 13.3.2-pl

Last Updated: Sep 26, 2024

• • Added a Recently Played playlist to the Playlists tab in the Library for quicker access to your most recent tracks.

[ttpp]For even more powerful editing tools and unrestricted access to advanced features like formant correction and audio separation, consider upgrading to the Pro version via in-app purchase or subscription. Whether you’re a musician, student, or simply someone who loves tweaking audio, Music Speed Changer gives you full creative control—all wrapped in a clean, modern interface.[yyxx]