About Prism4music
Separate music and video into vocals and various instruments. For karaoke or instrumental practice. 1. Prism4Music is the Prism for Music. Vocals, bass, piano, guitar, drums (snare, bass drum, cymbals, toms), and can be...
Separate music and video into vocals and various instruments. For karaoke or instrumental practice. 1. Prism4Music is the Prism for Music. Vocals, bass, piano, guitar, drums (snare, bass drum, cymbals, toms), and can be separated into 9 tones. 2. Also supports Video. Enjoy your favorite music videos while using for karaoke or instrument practice. 3. Music Source Separation Technology Prism4music has achieved state-of-the-art sound source separation by customizing and incorporating 'Demucs' known for its superior sound source separation technology, for the iPhone. Implemented as parallel processing, allowing seamless music playback even during conversion. 4. Import music files (including videos) such as mp4, mov, m4a, mp3, wav, etc. from the Music, Files, and Photos apps. The free version can only isolate the first 60 seconds of a file (limit can be removed with in-app purchase). 5. Each separate tone can be turned on/off individually and the volume can be adjusted. 6. Pitch shift (raise or lower the key by a semitone) and time stretch (increase or decrease the speed without changing the pitch) are also available. 7. Pinch and Pan You can pinch a graph with two fingers to expand it, or pan it back and forth with two fingers to the left or right. 8. Playback History Instantly open previously separated music using cache. Key, tempo, and AB repeat settings are also recorded. The free version allows up to 2 playback history entries, while the premium version has no limit. 9. Automatic BPM detection and BPM specification function (in-app purchase) Automatic BPM (beats per minute) detection when music files (including videos) are loaded. Based on this BPM, the tempo can be set to a higher or lower level. Please use this function for practicing musical instruments. 10. Export function of separated songs (in-app purchase) The Premium version can export separated songs.
Version History Fixed an issue where the Music Import (music note) button became difficult to tap after an OS update. 1.1.4 May 13 Resolved a DC offset issue: Fixed a bug where separated waveforms would shift from the center line. Enhanced Output Accuracy: Audio waveforms are now properly centered, ensuring more accurate amplitude and higher quality output for post-processing. 1.1.3 Jan 26 Fixed a rare crash caused by memory exhaustion when separating long audio tracks. 1.1.2 06/20/2025 Fixed issues on iOS 18 iPads. Added a feature to export each stem as a separate solo track. Added the ability to set the start (A) and loopback (B) points individually for AB Repeat. 1.1.1 01/29/2025 V.1.1.0 1. Now compatible with iPad. 2. Added playback history feature. Instantly open previously separated music using cache. Key, tempo, and AB repeat settings are also recorded. 1.1.0 08/07/2024 V.1.0.1 We have added an alert "The AI engine is being prepared. The initial startup after downloading may take a little time" 1.0.1 07/09/2024 1.0.0 07/08/2024
Previous Versions
Here you can find the changelog of Prism4music since it was posted on our website on 2026-01-31 08:09:41.
The latest version is 1.1.4 and it was updated on 2026-10-12 16:45:42. See below the changes in each version.
Prism4music version 1.1.4
Updated At: 2026-10-08
Changes: Version History Fixed an issue where the Music Import (music note) button became difficult to tap after an OS update. 1.1.4 May 13 Resolved a DC offset issue: Fixed a bug where separated waveforms would shift from the center line.
Enhanced Output Accuracy: Audio waveforms are now properly centered, ensuring more accurate amplitude and higher quality output for post-processing. 1.1.3 Jan 26 Fixed a rare crash caused by memory exhaustion when separating long audio tracks. 1.1.2 06/20/2025 Fixed issues on iOS 18 iPads.
Added a feature to export each stem as a separate solo track.
Added the ability to set the start (A) and loopback (B) points individually for AB Repeat. 1.1.1 01/29/2025 V.1.1.0
1. Now compatible with iPad.
2. Added playback history feature.
Instantly open previously separated music using cache. Key, tempo, and AB repeat settings are also recorded. 1.1.0 08/07/2024 V.1.0.1
We have added an alert "The AI engine is being prepared. The initial startup after downloading may take a little time" 1.0.1 07/09/2024 1.0.0 07/08/2024
Prism4music version 1.1.3
Updated At: 2026-01-26
Changes: Resolved a DC offset issue: Fixed a bug where separated waveforms would shift from the center line.
Enhanced Output Accuracy: Audio waveforms are now properly centered, ensuring more accurate amplitude and higher quality output for post-processing.
Disclaimer
Official App Store Link
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