How to Write a WAV file?

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audio

capture

https://msdn.microsoft.com/zh-cn/subscriptions/securedownloads/dd370800.aspx
I just write a process to capture sound from like the link.And I got the buffer succeed.
I try to write the sound into a wav file.
The IAudioClient supported WAVEFORMATEX value is
cbSize 22
nAvgBytesPerSec 352800
nBlockAlign 8
nChannels 2
nSamplesPerSec 44100
wBitsPerSample 32
wFormatTag 65534
But the problem is if I set the wFormatTag to 65534 the windows media can't open it.If I set wFormatTao to 1 .Windows media can open it,but the sound is not right,it's slowly and not clearly.