iOS - SF2/DLS filesUploading DLS/SF2 files to Sweet MIDI Player for iOS. You can upload your own synthesizer sound library files in a format called DLS or SF2. DLS/SF2 is a family of standardized file formats for digital musical instrument sound banks (collections of virtual musical instrument programs). Click here to learn more about DLS files. Click here to learn more about SF2 files. If you own a Windows or Mac c
