From KORG PA Manager:
WAVE Xtractor is a handy audio tool with the ability to extract RAW (.Wav) data from popular File formats from within the music industry. You can preview/listen & extract the Wave samples contained in each file format on your PC, and view their Audio Properties without having to load them on to your keyboard first.
Current Supported File Formats:
(.PCM/.STY/.PCG/.PRF/.PAD) - ALL KORG PA Series;
(.KMP) - Korg PA1X/PA800/PA2X/PA3X & Triton Series;
(.TVN) - Yamaha TYROS 2 Voice File;
(.UVN) - Yamaha TYROS 3 Voice File;
(.UVD) - Yamaha TYROS 3 Drum Voice File;
(.SF2) - SoundFont 2 Sound Bank.
Has a built in Audio Editor with the ability to edit the sounds before extracting them.
Furthermore you can also Manage & Organize your KORG PA Styles with the Style Manager. You can 'SWAP', 'Copy/Paste' & 'Delete' Styles.