I'm having big problems with my audio syncing, I record an MPEG2 from the TV trough my AVerMedia DVB-T USB2.0 then use DVD-lab PRO to author it. The audio is in sync on the original file but seems to loose it after authoring. the sync seems to get worse as you go later in the movie. I scanned one of the original mpeg2 files with PVAStrumento 2 and I got loads of errors (below)
Found 1 video stream.
Found 1 MPEG audio stream.
VIDEO #1
Resolution 544 x 576
Aspect ratio is 16:9
Frame rate 25.00 fps
Nominal bitrate 10000000 bps
First PTS: 00:00:00.280
MPEG AUDIO #1
MPEG1, Layer 2
stereo, sampled at 48.0 kHz.
Bitrate 192 kbps
Each frame contains 24.0 ms audio (576 bytes)
First PTS: 00:00:00.280
***
*** PVAStrumento 2.1.0.15
*** running at 09-03-2005 22:21
***
Pre-Scanning input. Takes some time.
Stream info for
C:\Documents and Settings\-\My Documents\Recorded\DVD\VIDEO_TS\VTS_01_1.VOB
Found 1 video stream.
Found 1 MPEG audio stream.
VIDEO #1
Resolution 544 x 576
Aspect ratio is 16:9
Frame rate 25.00 fps
Nominal bitrate 10000000 bps
First PTS: 00:00:00.280
MPEG AUDIO #1
MPEG1, Layer 2
stereo, sampled at 48.0 kHz.
Bitrate 192 kbps
Each frame contains 24.0 ms audio (576 bytes)
First PTS: 00:00:00.280
==SCANNING==
Input: C:\Documents and Settings\-\My Documents\Recorded\DVD\VIDEO_TS\VTS_01_1.VOB
Closing starting GOP.
Aiming for sync at 00:00:00.360
Cutting audio.
Audio stream 1 now starts at 00:00:00.352
Video stream 1 now starts at 00:00:00.360
ALERT> Temporal structure wrong in GOP at 00:04:42.600. Dropping.
Re-syncing.
Closing starting GOP.
Aiming for sync at 00:04:43.040
Cutting audio.
Audio stream 1 now starts at 00:04:43.048
Video stream 1 now starts at 00:04:43.040
ALERT> PTS jump in video
Closing starting GOP.
Aiming for sync at 00:04:43.048
Streamstart seems to be in (reasonable) sync:
Video 1 starts at 00:04:43.040
Audio 1 starts at 00:04:43.048
ALERT> Temporal structure wrong in GOP at 00:04:48.800. Dropping.
Re-syncing.
Closing starting GOP.
Aiming for sync at 00:04:49.240
Cutting audio.
Audio stream 1 now starts at 00:04:49.240
Video stream 1 now starts at 00:04:49.240
ALERT> PTS jump in video
Closing starting GOP.
Aiming for sync at 00:04:49.240
Streamstart seems to be in (reasonable) sync:
Video 1 starts at 00:04:49.240
Audio 1 starts at 00:04:49.240
ALERT> Temporal structure wrong in GOP at 00:08:57.880. Dropping.
[found tref duplicates]
Re-syncing.
Closing starting GOP.
Aiming for sync at 00:08:58.480
Cutting audio.
Audio stream 1 now starts at 00:08:58.480
Video stream 1 now starts at 00:08:58.480
ALERT> PTS jump in video
Closing starting GOP.
Aiming for sync at 00:08:58.480
Streamstart seems to be in (reasonable) sync:
Video 1 starts at 00:08:58.480
Audio 1 starts at 00:08:58.480
ALERT> Temporal structure wrong in GOP at 00:10:51.760. Dropping.
Re-syncing.
Closing starting GOP.
Aiming for sync at 00:10:52.040
Cutting audio.
Audio stream 1 now starts at 00:10:52.048
Video stream 1 now starts at 00:10:52.040
ALERT> PTS jump in video
Closing starting GOP.
Aiming for sync at 00:10:52.048
Streamstart seems to be in (reasonable) sync:
Video 1 starts at 00:10:52.040
Audio 1 starts at 00:10:52.048
ALERT> Temporal structure wrong in GOP at 00:11:02.120. Dropping.
Re-syncing.
Closing starting GOP.
Aiming for sync at 00:11:02.520
Cutting audio.
Audio stream 1 now starts at 00:11:02.512
Video stream 1 now starts at 00:11:02.520
ALERT> PTS jump in video
Closing starting GOP.
Aiming for sync at 00:11:02.520
Streamstart seems to be in (reasonable) sync:
Video 1 starts at 00:11:02.520
Audio 1 starts at 00:11:02.512
ALERT> Temporal structure wrong in GOP at 00:16:04.920. Dropping.
Re-syncing.
Closing starting GOP.
Aiming for sync at 00:16:05.320
Cutting audio.
Audio stream 1 now starts at 00:16:05.320
Video stream 1 now starts at 00:16:05.320
ALERT> PTS jump in video
Closing starting GOP.
Aiming for sync at 00:16:05.320
Streamstart seems to be in (reasonable) sync:
Video 1 starts at 00:16:05.320
Audio 1 starts at 00:16:05.320
ALERT> Temporal structure wrong in GOP at 00:19:48.040. Dropping.
Re-syncing.
Closing starting GOP.
Aiming for sync at 00:19:48.480
Cutting audio.
Audio stream 1 now starts at 00:19:48.472
Video stream 1 now starts at 00:19:48.480
ALERT> PTS jump in video
Closing starting GOP.
Aiming for sync at 00:19:48.480
Streamstart seems to be in (reasonable) sync:
Video 1 starts at 00:19:48.480
Audio 1 starts at 00:19:48.472
ALERT> Temporal structure wrong in GOP at 00:35:04.800. Dropping.
Re-syncing.
Closing starting GOP.
Aiming for sync at 00:35:05.200
Cutting audio.
Audio stream 1 now starts at 00:35:05.200
Video stream 1 now starts at 00:35:05.200
ALERT> PTS jump in video
Closing starting GOP.
Aiming for sync at 00:35:05.200
Streamstart seems to be in (reasonable) sync:
Video 1 starts at 00:35:05.200
Audio 1 starts at 00:35:05.200
ALERT> Temporal structure wrong in GOP at 00:39:09.520. Dropping.
Re-syncing.
Closing starting GOP.
Aiming for sync at 00:39:09.920
Cutting audio.
Audio stream 1 now starts at 00:39:09.928
Video stream 1 now starts at 00:39:09.920
ALERT> PTS jump in video
Closing starting GOP.
Aiming for sync at 00:39:09.928
Streamstart seems to be in (reasonable) sync:
Video 1 starts at 00:39:09.920
Audio 1 starts at 00:39:09.928
ALERT> Temporal structure wrong in GOP at 00:39:20.480. Dropping.
Re-syncing.
Closing starting GOP.
Aiming for sync at 00:39:20.760
Cutting audio.
Audio stream 1 now starts at 00:39:20.752
Video stream 1 now starts at 00:39:20.760
ALERT> PTS jump in video
Closing starting GOP.
Aiming for sync at 00:39:20.760
Streamstart seems to be in (reasonable) sync:
Video 1 starts at 00:39:20.760
Audio 1 starts at 00:39:20.752
ALERT> Temporal structure wrong in GOP at 00:39:43.800. Dropping.
Re-syncing.
Closing starting GOP.
Aiming for sync at 00:39:44.160
Cutting audio.
Audio stream 1 now starts at 00:39:44.152
Video stream 1 now starts at 00:39:44.160
ALERT> PTS jump in video
Closing starting GOP.
Aiming for sync at 00:39:44.160
Streamstart seems to be in (reasonable) sync:
Video 1 starts at 00:39:44.160
Audio 1 starts at 00:39:44.152
ALERT> Temporal structure wrong in GOP at 00:42:58.080. Dropping.
Re-syncing.
Closing starting GOP.
Aiming for sync at 00:42:58.360
Cutting audio.
Audio stream 1 now starts at 00:42:58.360
Video stream 1 now starts at 00:42:58.360
ALERT> PTS jump in video
Closing starting GOP.
Aiming for sync at 00:42:58.360
Streamstart seems to be in (reasonable) sync:
Video 1 starts at 00:42:58.360
Audio 1 starts at 00:42:58.360
[ Found a GOP with more than 15 pics.
This is not DVD compliant, but many players accept it.
See summary for total number at end. ]
ALERT> Temporal structure wrong in GOP at 00:43:10.840. Dropping.
[found tref duplicates]
ALERT> -1 video frames missing at 00:43:10.840.
ALERT> Dropping GOP for sync.
Re-syncing.
Closing starting GOP.
Aiming for sync at 00:43:11.480
Cutting audio.
Audio stream 1 now starts at 00:43:11.488
Video stream 1 now starts at 00:43:11.480
ALERT> -1 video frames missing at 00:43:11.480.
ALERT> Dropping GOP for sync.
Re-syncing.
Closing starting GOP.
Aiming for sync at 00:43:12.040
Cutting audio.
Audio stream 1 now starts at 00:43:12.040
Video stream 1 now starts at 00:43:12.040
ALERT> Temporal structure wrong in GOP at 00:46:55.960. Dropping.
[found tref duplicates]
Re-syncing.
Closing starting GOP.
Aiming for sync at 00:46:56.720
Cutting audio.
Audio stream 1 now starts at 00:46:56.728
Video stream 1 now starts at 00:46:56.720
ALERT> PTS jump in video
Closing starting GOP.
Aiming for sync at 00:46:56.728
Streamstart seems to be in (reasonable) sync:
Video 1 starts at 00:46:56.720
Audio 1 starts at 00:46:56.728
ALERT> Temporal structure wrong in GOP at 00:47:03.440. Dropping.
[found tref duplicates]
Re-syncing.
Closing starting GOP.
Aiming for sync at 00:47:04.320
Cutting audio.
Audio stream 1 now starts at 00:47:04.312
Video stream 1 now starts at 00:47:04.320
ALERT> PTS jump in video
Closing starting GOP.
Aiming for sync at 00:47:04.320
Streamstart seems to be in (reasonable) sync:
Video 1 starts at 00:47:04.320
Audio 1 starts at 00:47:04.312
Adjusting audio to frames in last GOP at EOF
Last fileset:
1030130433 total bytes written
Video 1: 92842 frames, 01:01:53.680
Audio 1: 154742 frames, 01:01:53.808
Sync estimate at EOF:
MPEG Audio #1 : sync
Video statistics
================
GOP length (min/avg/max):
6 / 11 / 12 [frames]
42588 / 121480 / 251980 [Bytes]
GOP bitrate (min/avg/max):
709 / 2025 / 4199 [kbps]
++ INFO:
++ 3 GOP(s) with more than 15 frames were found
++ This is not "DVD-compliant"
++ It _may_ cause problems in DVD-authoring or
++ with some DVD players
What do I do? its driving me mad!
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