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WaveFormatEx Structure Members

Summary

The following tables list the members exposed by WaveFormatEx.

Public Fields

Name Description
Public Field cbSize Size, in bytes, of extra format information appended to the end of the WAVEFORMATEX structure.
Public Field nAvgBytesPerSec In most cases, this member contains the required average data-transfer rate, in bytes per second, for the format tag.
Public Field nBlockAlign Block alignment, in bytes. The block alignment is the minimum atomic unit of data for the wFormatTag format type.
Public Field nChannels Number of audio channels. Monaural data uses one channel and stereo data uses two channels.
Public Field nSamplesPerSec Sample rate, in samples per second (hertz). Common values are 8.0 kHz, 11.025 kHz, 22.05 kHz, and 44.1 kHz.
Public Field wBitsPerSample Bits per sample for the wFormatTag format type.
Public Field wFormatTag Waveform-audio format type. Format tags are registered with Microsoft Corporation for many compression algorithms.
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