MMAUDIOHEADER Field - ulContentType

ulContentType (ULONG)

Audio content type. Acceptable values for this field are as follows:

MMIO_MIDI_UNKNOWN

Unknown MIDI content.
MMIO_MIDI_VOICE
Limited range.
MMIO_MIDI_MUSIC
FM radio or equivalent.
MMIO_MIDI_HIFI
High quality recording.

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