Windows Vista Audio Debug when playing BRD demo app:
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00:00:49.493046 Audio: Creating stream '[DSoundAudio] Output'
00:00:49.493048 Audio: Guest playback format for '[DSoundAudio] Output': 44100Hz, 16S, 2 Channels
00:00:49.493051 Audio: Requested host playback format for '[DSoundAudio] Output': 44100Hz, 16S, 2 Channels
00:00:49.493054 Audio: Using default period size (50ms, 2205 frames) for stream '[DSoundAudio] Output'
00:00:49.493056 Audio: Using default buffer size (250ms, 11025 frames) for stream '[DSoundAudio] Output'
00:00:49.493059 Audio: Using default pre-buffering size (250ms, 11025 frames) for stream '[DSoundAudio] Output'
00:00:49.493061 DSound: Opening playback stream (uHz=44100, cChannels=2, cBits=16, fSigned=true )
00:00:49.493064 DSound: Requested playback format:
00:00:49.493064   wFormatTag      = 1
00:00:49.493065   nChannels       = 2
00:00:49.493065   nSamplesPerSec  = 44100
00:00:49.493066   nAvgBytesPerSec = 176400
00:00:49.493066   nBlockAlign     = 4
00:00:49.493067   wBitsPerSample  = 16
00:00:49.493067   cbSize          = 0
00:00:49.493068 DSound: Enumerating devices ...
00:00:49.501851 DSound: Enumerating devices done
00:00:49.502059 DSound: Requested playback buffer is 250ms (44100 bytes)
00:00:49.502104 DSound: Acquired playback buffer is 250ms (44100 bytes)
00:00:49.502108 DSound: Acquired playback format:
00:00:49.502109   dwBufferBytes   = 44100
00:00:49.502110   dwFlags         = 0x18008
00:00:49.502110   wFormatTag      = 1
00:00:49.502111   nChannels       = 2
00:00:49.502111   nSamplesPerSec  = 44100
00:00:49.502111   nAvgBytesPerSec = 176400
00:00:49.502112   nBlockAlign     = 4
00:00:49.502112   wBitsPerSample  = 16
00:00:49.502113   cbSize          = 0

ReactOS Audio Debug when playing BRD demo app:
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00:00:47.161096 Audio: Creating stream '[DSoundAudio] Output'
00:00:47.161111 Audio: Guest playback format for '[DSoundAudio] Output': 48000Hz, 16S, 2 Channels
00:00:47.161114 Audio: Requested host playback format for '[DSoundAudio] Output': 48000Hz, 16S, 2 Channels
00:00:47.161117 Audio: Using default period size (50ms, 2400 frames) for stream '[DSoundAudio] Output'
00:00:47.161120 Audio: Using default buffer size (250ms, 12000 frames) for stream '[DSoundAudio] Output'
00:00:47.161122 Audio: Using default pre-buffering size (250ms, 12000 frames) for stream '[DSoundAudio] Output'
00:00:47.161125 DSound: Opening playback stream (uHz=48000, cChannels=2, cBits=16, fSigned=true )
00:00:47.161127 DSound: Requested playback format:
00:00:47.161128   wFormatTag      = 1
00:00:47.161128   nChannels       = 2
00:00:47.161129   nSamplesPerSec  = 48000
00:00:47.161129   nAvgBytesPerSec = 192000
00:00:47.161129   nBlockAlign     = 4
00:00:47.161130   wBitsPerSample  = 16
00:00:47.161130   cbSize          = 0
00:00:47.161135 DSound: Enumerating devices ...
00:00:47.168106 DSound: Enumerating devices done
00:00:47.168295 DSound: Requested playback buffer is 250ms (48000 bytes)
00:00:47.168336 DSound: Acquired playback buffer is 250ms (48000 bytes)
00:00:47.168340 DSound: Acquired playback format:
00:00:47.168340   dwBufferBytes   = 48000
00:00:47.168341   dwFlags         = 0x18008
00:00:47.168341   wFormatTag      = 1
00:00:47.168342   nChannels       = 2
00:00:47.168342   nSamplesPerSec  = 48000
00:00:47.168342   nAvgBytesPerSec = 192000
00:00:47.168343   nBlockAlign     = 4
00:00:47.168343   wBitsPerSample  = 16
00:00:47.168344   cbSize          = 0