.W64 - Sonic Foundry Wave-64 formats
Features:
1..32 bits PCM / μ-Law / A-Law, mono / stereo.
Unsupported features:
Compressed data formats.
Supported by:
Awave Studio
(read + write - but only files that will fit into memory).
Awave Audio
(read + write - supports huge files).
Any Time
(read + write).