Audio synch issues when converting to XviD or DivX

[baduncan]

I use GB-PVR to record television programs. I want to transcode them to DivX or XviD and burn them to disc for later viewing on my set top Philips player. I am unable to convert the source video to either DivX or XviD without the audio becoming progressively out of synch with the video. Roughly a third of the way through playback and until the end it starts out modestly out of synch and gets worse to the end. This occurs when playing on the Philips, WMP, the DivX software player, and every other media player I've got. Here is the GSpot analysis of the source video:

FILE_NAME 47 SCIFI_20071202211000.mpg
FILE_NAME_WITH_PATH C:\Users\Bryan\Videos\Manual Recordings\47 SCIFI_20071202211000.mpg
FILE_SIZE 3,313,280,384
CONT_AUDIO_STREAM_COUNT 1
CONT_BASETYPE MPEG (.MPG/.MPEG/.VOB)
CONT_BYTES_MISSING
CONT_INTERLEAVE_ALIGN
CONT_INTERLEAVE_PRELOAD
CONT_INTERLEAVE_TIME
CONT_SUBTYPE
CONT_TOTAL_BITRATE 5062
VIDEO_ASPECT_CONVERT_AVI1 Resize to 641 x 480 (Use +/- for other target sizes)
VIDEO_ASPECT_CONVERT_AVI2 Crop off any non-picture areas, if req'd
VIDEO_ASPECT_CONVERT_CVD1 No resize req'd
VIDEO_ASPECT_CONVERT_CVD2 No cropping req'd
VIDEO_ASPECT_CONVERT_DVD1 Resize to 704 x 480 ( w:[2/1] h:[1/1] )
VIDEO_ASPECT_CONVERT_DVD2 Pad 8 to each side for 720 x 480
VIDEO_ASPECT_CONVERT_SVCD1 Resize to 469 x 480 ( w:[4/3] h:[1/1] )
VIDEO_ASPECT_CONVERT_SVCD2 Pad 5 to left, 6 to right for 480 x 480
VIDEO_ASPECT_CONVERT_VCD1 Resize to 352 x 240 ( w:[1/1] h:[1/2] )
VIDEO_ASPECT_CONVERT_VCD2 No cropping req'd
VIDEO_ASPECT_SOURCE_MATCH CVD
VIDEO_ASPECT_TYPE_NTSC NTSC
VIDEO_ASPECT_TYPE_PAL
VIDEO_BITRATE 3499
VIDEO_CODEC_NAME MPEG-2
VIDEO_CODEC_STATUS Codec(s) are Installed
VIDEO_CODEC_TYPE MPEG2
VIDEO_DAR 1.333
VIDEO_DURATION 1:49:55
VIDEO_FIELDS_PER_SEC 59.940
VIDEO_FRAME_COUNT 197631
VIDEO_FRAMES_PER_SEC 29.970
VIDEO_H264
VIDEO_MPEG2 MPEG-2
VIDEO_MPEG2_3X2
VIDEO_MPEG2_BFF
VIDEO_MPEG2_I_L I/L
VIDEO_MPEG2_PPF
VIDEO_MPEG2_PROG
VIDEO_MPEG2_TFF TFF
VIDEO_MPEG4
VIDEO_MPEG4_BVOP
VIDEO_MPEG4_GMC
VIDEO_MPEG4_NVOP
VIDEO_MPEG4_QPEL
VIDEO_PAR 1.818
VIDEO_PICS_PER_SEC 29.970
VIDEO_QF 0.691
VIDEO_SAR 0.733
VIDEO_SIZE_X 352
VIDEO_SIZE_Y 480
AUDIO_BITRATE 224
AUDIO_BITRATE_TYPE CBR
AUDIO_CHANNEL_COUNT 2
AUDIO_CODEC MPEG-1 Layer 2
AUDIO_CODEC_STATUS Codec(s) are Installed
AUDIO_MPEG_STREAM_ID 0xc0
AUDIO_MPEG_SUBSTREAM_ID
AUDIO_SAMPLE_RATE 48000

To convert, so far I've tried the following:

DivX Converter (most current version) - most current DivX codec and the prior release
AutoGK using both current DivX and XviD codecs

All converters and codecs use default settings.

GB-PVR also uses default audio and video settings. I forgot to mention that the source video plays back fine through all media players. I have tried to make a DVD from it since I prefer smaller video sizes that can be crammed onto a single disc. Thanks!

[Soopafresh]

Are you cutting out the commercials? It could be a couple of possible reasons. Crop out the commercials with Mpeg2Cut2 or Videoredo, then try converting the resulting file with AutoGK.

[baduncan]

I am not currently cutting the adverts, but I will try one of those methods and see what happens - thanks!

[baduncan]

I used a program called PVAStrumento to correct the synch issues. Definitely a pain to add an extra step to the conversion process, but at least it's free and it works.