AC-3 ACM Codec na RMVB = PROBLEM

[krain_l]

anyone know how can i converted this avi format to RMVB use Real Media Producer,
the conversion is possible, but finished movie [rmvb] is sometimes cutting and always i s without audio stream

avicodec info:

example movie.avi

File : 700 MB (700 MB), duration: 0:55:00, type: AVI, 1 audio stream(s), quality: 73 %
Video : 549 MB, 1396 Kbps, 23.976 fps, 640*352 (16:9), XVID = XVID Mpeg-4, Supported
Audio : 151 MB, 384 Kbps, 48000 Hz, 6 channels, 0x2000 = AC-3 ACM Codec, Supported

[jagabo]

Try installing AC3 ACM or AC3 Filter.