The PSR-S970 features 512MB of dedicated expansion memory. Unlike simple MIDI files, these "Voices" are often sample-based, meaning they include brand-new audio data that isn't already inside your keyboard.
Drag and drop your downloaded voice packs into YEM. yamaha psr-s970 voices download
Bundles containing Voices, Styles, and Registration Banks. The PSR-S970 features 512MB of dedicated expansion memory
To install most downloads, you must use the Yamaha Expansion Manager software on your PC or Mac. It acts as a bridge, allowing you to manage "ppf" and "ppi" files before transferring them to your keyboard. these "Voices" are often sample-based
Plug a USB drive into your PSR-S970. Go to Function > Expansion Pack Installation > Export Instrument Info . This creates a unique ID for your keyboard.