> I found some identical wavs in new MAME Samples dat (size 44 crc 0x44a894f9 sha1
> b8000eada705cf56630266b151564d054d3e2a06 flags baddump). What are these files?
>

The readme in the sample datfile archive points out that they are placeholders for the not recorded samples of some vector games. The archive also contains that placeholder samplefile which is an empty 22KHz/16bit/mono wav file.

Roman Scherzer
ClrMamePro