DiamondWare Digitized

File Format
Name	DiamondWare Digitized
Ontology	Electronic File Formats Audio and Music DiamondWare Digitized
Extension(s)	.dwd, .dwm
Released	1994

DiamondWare Sound Toolkit was an SDK for the creation of sound files used in games in the early 1990's by Keith Weiner & Erik Lorenzen. Sold through MVP Software.

Format Information

DWD (sounds) & DWM (music) are propriety formats for Diamondware's SDK. They seem to be derived from VOC and MIDI.

• DWD files begin with the ascii DiamondWare Digitized
• DWM files begin with the ascii DiamondWare Music

Format Details

DWD Specification:

       Byte #  Description
       ------  -----------
       00-22   "DiamondWare Digitized\n\0"
       23      1A (EOF to abort printing of file)
       24      Major version number
       25      Minor version number
       26-29   Unique sound ID (checksum XOR timestamp)
       30      Reserved
       31      Compression type (0=none)
       32-33   Sampling rate (in Hz)
       34      Number of channels (1=mono, 2=stereo)
       35      Number of bits per sample (8, 16)
       36-37   Absolute value of largest sample in file
       38-41   length of data section (in bytes)
       42-45   Number of samples (16-bit stereo would be 4 bytes/sample)
       46-49  *Offset of data section from start of file (in bytes)
       50-53   Reserved for future expansion (markers)
       ??-??   Future expansion (heed the 2 offsets, above!)