.ULW File Extension
File Typeu-Law Audio File
This file is saved in a binary format, which requires a specific program to read its contents.
What is a ULW file?
Uncompressed audio file format used in US telephony applications; contains raw CCITT G.711 u-law (pronounced "myoo-law") audio data that has not been encoded or compressed.
No standard file extension is defined for u-law files, but .ULAW may also be used.