Format of WAVE Info Structure:
Offset	Size	Description	)
 00h	4 BYTEs	name of the structure ("WAVI")
 04h	DWORD	structure length [0000007Eh]
 08h	DWORD	driver software version [00000003h]
 0Ch 32 BYTEs	vendor name, etc. (ASCIZ string)
 2Ch 32 BYTEs	vendor product name
 4Ch 32 BYTEs	vendor chip/hardware description
 6Ch	BYTE	installed board number
 6Dh	3 BYTEs	unused data
 70h	DWORD	feature bits (see #00114)
 74h	WORD	user determined preference field
 76h	WORD	memory required for driver use [0200h]
 78h	WORD	number of timer tick callbacks per second [0000h]
 7Ah	WORD	channels: 1 = mono, 2 = stereo
		stereo is assumed to be interleaved data
 7Ch	WORD	bitfield of max sample sizes (see #00115)
SeeAlso: #00118