.NIST - NIST SPHERE files

These files do not seam to use any definite file extensions, though .NIST, .SD, or .WAV is often seen.

Features:

• 8, 16, 24, 32-bits PCM / μ-Law, mono / stereo / multi.

Supported by:

• Awave Studio (read only).
• Awave Audio (read + write).