Allocates and reads the buffer content once (closes the file).
Cues the input sound file for streaming via DiskIn (leaves the file open).
Reads the buffer contents from a file (closes the file).
Reads the buffer contents from a file (closes the file).
Opens a file to write to in streaming mode (leaving it open), as useable for DiskOut.
Writes the buffer contents once (closes the target file).
Clears the buffer contents.
Clears the buffer contents.