They will if your computer sound hardware can natively support 24 bit and 96khz or Multi-Track (more than 2) files. See the other file from this section called “Notes on Using BWF-Widget” available on the same page where you opened this file. There is a work-around for 16 bit hardware mentioned in that document. If you do have 24 bit hardware, make sure to uncheck the choice in the Options menu that limits playback to 16 bit 48khz files.