下载的片没声音，怎么办？？？？请教！！！请教！！！
格式：AVi
播放软件：暴风影音
显示以下信息：
媒体流 1
媒体类型 0:
--------------------------
AM_MEDIA_TYPE:
majortype: MEDIATYPE_Audio {73647561-0000-0010-8000-00AA00389B71}
subtype: Unknown GUID Name {8D2FD10B-5841-4A6B-8905-588FEC1ADED9}
formattype: Unknown GUID Name {B36E107F-A938-4387-93C7-55E966757473}
bFixedSizeSamples: 1
bTemporalCompression: 0
lSampleSize: 8192
cbFormat: 3986
媒体类型 1:
--------------------------
AM_MEDIA_TYPE:
majortype: MEDIATYPE_Audio {73647561-0000-0010-8000-00AA00389B71}
subtype: Unknown GUID Name {CDDCA2D5-6D75-4F98-840E-737BEDD5C63B}
formattype: Unknown GUID Name {6BDDFA7E-9F22-46A9-AB5E-884EFF294D9F}
bFixedSizeSamples: 1
bTemporalCompression: 0
lSampleSize: 8192
cbFormat: 24
请专家帮帮忙，多谢!!!多谢!!!
