There are a number of different types of Audio files. The most common are Wave files (wav) and MPEG Layer-3 files (mp3). There are, however, many other audio file types discussed below. The type is usually determined by the file extension (what comes after the "." in the file name). For example, ".wav", ".mp3" or ".dct".

Service manuals,electronic components datasheets and equipment schematics database
Here you can find free datasheets, service manuals, schema, schematic diagrams and software downloads, service menu and mode information, code calculators for many brands of equipment