Yamaha FS1R Editor and Librarian

Patch Base has the best Yamaha FS1R editor and librarian available for Mac and iPad. Edit any parameter, organize patches, create random patches, and more.

FM Voice Editor

The Yamaha FS1R's 8-operator FM and Formant Synthesis engine is complex, but Patch Base makes it much easier to work with. The Voice Editor shows you the layout of the currently selected algorithm and gives quick access to every voiced and unvoiced operator.

Performance Editor

The FS1R can play up to 4 parts at once via Performances. Patch Base shows you the entire Performance in one place for easy editing of sound selection, mixing levels, effects, control routing, MIDI channels and more. Quickly create a multi-layered Performance for big sounds, or a multi-channel performance to play multiple parts using the FS1R's 4 parts.

Bank Editors

Patch Base's Bank Editors let you change and organize the saved sounds and performances on your FS1R. You can easily save a bank to a file for back up and storage, and import entire new banks in seconds.

Patch Librarian


Download Patch Base for iPad free in the App Store.

View in App Store

Patch Base runs on macOS 10.13 and higher. Download it here.


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