关于Media Player classic的问题

我以前用Media Player classic播放都没问题,但是今天用这个播放却播放不出,提示:Media Player classic无法解析媒体中的某些流,你的系统可能尚未安装回放所需的解码器或滤镜
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音 频: RealAudio COOK 22050Hz 单声

AM_MEDIA_TYPE:
majortype: MEDIATYPE_Audio {73647561-0000-0010-8000-00AA00389B71}
subtype: 未知的 GUID 名称 {4B4F4F43-0000-0010-8000-00AA00389B71}
formattype: FORMAT_WaveFormatEx {05589F81-C356-11CE-BF01-00AA0055595A}
bFixedSizeSamples: 1
bTemporalCompression: 1
lSampleSize: 9600
cbFormat: 104

WAVEFORMATEX:
wFormatTag: 0x2004
nChannels: 1
nSamplesPerSec: 22050
nAvgBytesPerSec: 0
nBlockAlign: 600
wBitsPerSample: 16
cbSize: 0 (extra bytes)

pbFormat:
0000: 04 20 01 00 22 56 00 00 00 00 00 00 58 02 10 00 . .."V......X...
0010: 00 00|2e 72 61 fd 00 05 00 00 2e 72 61 35 00 00 ...ra.....ra5..
0020: 00 10 00 05 00 00 00 46 00 03 00 00 02 58 00 00 .......F.....X..
0030: 00 00 00 02 5d 99 00 00 00 00 00 0

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