Good morning
I¡¦m having issues with UVS causing my video and audio to go out of synch when it renders files (detailed in a separate thread). A lot of people have had this problem, but on the other hand, a lot of other people have never had the problem at all. It seems to be particularly likely to happen if you are editing MPEG-2 files produced (usually) by a mini-DVD camcorder. So I¡¦m wondering whether it¡¦s caused by some subtle difference in the types of MPEG-2 files produced by different camcorders, and whether tweaking the camcorder output settings or changing the workflow method might cure it.
So for the greater good of humankind and in the interests of scientific research, I¡¦d be very grateful if you would take a couple of minutes to post here:
* what kind of camcorder you use (particularly if it¡¦s a mini-DVD type)
* what kind of output files it produces (import the file to the UVS Library or Timeline, right-click on it and select Properties)
* whether you have issues which may be file-related such as AV synch issues or persistent crashing; and
* if so, are there any other circumstances which make this particularly likely or not likely to happen?
If enough people post details, a pattern might emerge so we¡¦d know more about it. Even if you are not having any issues, posting here to say you are not having any issues would still be helpful.
So I¡¦ll start, here goes:
Type of camcorder: Sony Mini-DVD Handycam DCR DVD 403
Type of output files:
MPEG-2 NTSC-DVD, Upper Field First, 24 bits, 720x480, 16:9
Frame rate: 29.970 frames/sec, Data rate: variable max 9100 kbps
Dolby Digital Audio, 48000Hz, 5.1 channels, layer: None, bit rate 448 kbps
Issues: Audio and video out of synch after project rendered
Circumstances: This happens if I insert the camcorder files to the timeline, do simple edits in the timeline (trimming only, no special effects) and save the project as another MPEG-2 file with SmartRender turned on and settings ¡§same as first video clip¡¨. It doesn¡¦t happen if I turn SmartRender off (but then I get reduced video quality) or if I edit the clips individually, save each clip as a new MPEG-2 file with settings as above, import the edited clips into the timeline then save the whole project as a new MPEG-2 file with settings as above.
P.S. The thread describing my original audio sync problem is here:
http://phpbb.ulead.com.tw/EN/viewtopic.php?t=24812
Mini-DVD camcorder survey ¡V please contribute
Moderator: Ken Berry
Hitachi DVDcam DZGX5020A.
I got problems using miniDVD-R and miniDVD+RW not related to UVS at all (corrupted VOB files). I am now using miniDVD-RW formatted in VF mode.
MPEG-2 NTSC-DVD, Upper Field First, 24 bits, 720x480, 16:9
Frame rate: 29.970 frames/sec, Data rate: variable max 8800 kbps
Dolby Digital Audio, 48000Hz, 2/0 channels, layer: None, bit rate 192 kbps
I am using UVS11+ and the MPEG optimizer, never had any issue with out of synch audio and video neither any crashes. Rendering time with the optimizer is amazing. Only transitions, titles, filters and the like are re-rendered. Untouched parts are straight copies. 45 minutes of video can be rendered in 15 minutes.
I never used this camera with UVS10+ but I had the so many crashes with UVS10+ about "memory cannot be read".
To me UVS11+ is solid and I am happy with it.
I got problems using miniDVD-R and miniDVD+RW not related to UVS at all (corrupted VOB files). I am now using miniDVD-RW formatted in VF mode.
MPEG-2 NTSC-DVD, Upper Field First, 24 bits, 720x480, 16:9
Frame rate: 29.970 frames/sec, Data rate: variable max 8800 kbps
Dolby Digital Audio, 48000Hz, 2/0 channels, layer: None, bit rate 192 kbps
I am using UVS11+ and the MPEG optimizer, never had any issue with out of synch audio and video neither any crashes. Rendering time with the optimizer is amazing. Only transitions, titles, filters and the like are re-rendered. Untouched parts are straight copies. 45 minutes of video can be rendered in 15 minutes.
I never used this camera with UVS10+ but I had the so many crashes with UVS10+ about "memory cannot be read".
To me UVS11+ is solid and I am happy with it.
petgray,
Since you are a doctor and a professional it's good knowledge for you to know the when the mpeg2 video format was developed it was assigned and designated as a non-editable format. Only by consumer demand mpeg editors have been developed by software engineers.
Hardware manufacturers were aware of this being a problem and modified the mpeg2 video spec's to include mpeg2 video written in -VR mode (simple cuts/splits/divides).
First, Mpeg Editing can be an art, mainly because mpeg video is encoded as a stream and in chunks of GOP's (Groups Of Pictures). So it's important to know the video format you are dealing with. The DV format (DV tape based standard definition cams) record exact frames (frame accurate editing) and is reliable, mpeg video is a stream comprised of Groups of Pictures. Mpeg video is compressed as a Group of Pictures and not just one picture at a time like DV recording is. So if you ask me for picture/frame 12 from a DV file I can hand you that picture/frame #12 directly. If you ask me for picture/frame #12 from a mpeg file I would hand you 12 pictures, you then have to start with picture #1 and serially proceed until you get to picture #12 to get your actual picture. This is because all the pictures preceeding picture #12 also make up picture #12, this is the compression algorhythm that mpeg2 uses to reduce the filesize so it's manageable and can fit onto dvd's.
Second, if you plan to edit mpeg2 video you need to know exactly how to setup VS and it's environment. If your running XP-SP2 make sure to install the latest June DirectX 9.0c update, install this update even if your existing version number is the same, there are important changes in the June 2007 update. I personnally do not edit mpeg2 video that has Dolby 5.1 audio, if you can record in dolby 2/0 or mpeg audio then this is more suitable for editing on most video editors.
The following is very important when using VS, setting up your project:
Under "Preferences" (F6 Hotkey):
General Tab --> Default field Order = Upper Field First (handycams/minidvd's).
General Tab --> "Show message when inserting first video clip into the Timeline = ON
Edit Tab --> Resampling quality = BEST
The most reliable method in VS is when you insert a video in the timeline, VS should prompt you to match the project settings, anwser "Yes".
When you want to render your final project you then goto "Share -> "Same As Project Settings". and create your edited video file.
Then start a new project and go directly to "Share --> "Create Disk", in the Create disk module hit the F6 key (Preferences) and assign all the correct parameters. Then insert your dvd compliant mpeg2 video file into the burning module, create chapters, menus & burn your dvd. By using dvd compliant video in the burning module no re-rendering occurs and the process goes faster and is more reliable.
Notes: If you intend on editing the mpeg files after recording then you should be recording on your camcorder in the -VR mode.
This requires using a dvd-rw disk, when you insert the mini-dvd into your camcorder you format the mini-dvd for -VR mode, not video-dvd. When shooting video it's usually best to pause the cam between shots. If you cycle the cam or stop the actual recording this creates a new mpeg2 file on the dvd. What happens with these handycams is you end if with many small clips by stopping & restarting recording rather then pausing. When you record in the -VR mode (editable mode) all the videos go into one large file on the dvd (they are still separate mpeg2 video files). It's not exactly the same as recording to a dvd-r disk or a dvd-rw disk written in the dvd-video mode.
Recording in the -VR mode creates the mpeg file in a different method compared to the video-dvd mode. You can trim/cut/divide the videos directly on the camcorder. The -VR mode use playlists and not chapters like dvd-video mode. DVD-RW's can be re-formatted / erased and reused for new recordings.
The proper method is to use the programs Import DVD/VR disk feature to extract the video files from your camcorder's dvd to your computer. It's important to use the Import from dvd feature and NOT to copy files directly from the camcorder into the VS editor. After the videos are extracted from the mini-dvd to your harddisk you can use VS to create a dvd.
To edit mpeg video takes experience because it's a highly compressed format.
Even with stating the above one may find they still need a specialized mpeg editor due to the extensive expensive computer coding involved with editing mpeg video. I happen to use both VS & specialzied mpeg editors for this reason.
Hope this helps,
Since you are a doctor and a professional it's good knowledge for you to know the when the mpeg2 video format was developed it was assigned and designated as a non-editable format. Only by consumer demand mpeg editors have been developed by software engineers.
Hardware manufacturers were aware of this being a problem and modified the mpeg2 video spec's to include mpeg2 video written in -VR mode (simple cuts/splits/divides).
First, Mpeg Editing can be an art, mainly because mpeg video is encoded as a stream and in chunks of GOP's (Groups Of Pictures). So it's important to know the video format you are dealing with. The DV format (DV tape based standard definition cams) record exact frames (frame accurate editing) and is reliable, mpeg video is a stream comprised of Groups of Pictures. Mpeg video is compressed as a Group of Pictures and not just one picture at a time like DV recording is. So if you ask me for picture/frame 12 from a DV file I can hand you that picture/frame #12 directly. If you ask me for picture/frame #12 from a mpeg file I would hand you 12 pictures, you then have to start with picture #1 and serially proceed until you get to picture #12 to get your actual picture. This is because all the pictures preceeding picture #12 also make up picture #12, this is the compression algorhythm that mpeg2 uses to reduce the filesize so it's manageable and can fit onto dvd's.
Second, if you plan to edit mpeg2 video you need to know exactly how to setup VS and it's environment. If your running XP-SP2 make sure to install the latest June DirectX 9.0c update, install this update even if your existing version number is the same, there are important changes in the June 2007 update. I personnally do not edit mpeg2 video that has Dolby 5.1 audio, if you can record in dolby 2/0 or mpeg audio then this is more suitable for editing on most video editors.
The following is very important when using VS, setting up your project:
Under "Preferences" (F6 Hotkey):
General Tab --> Default field Order = Upper Field First (handycams/minidvd's).
General Tab --> "Show message when inserting first video clip into the Timeline = ON
Edit Tab --> Resampling quality = BEST
The most reliable method in VS is when you insert a video in the timeline, VS should prompt you to match the project settings, anwser "Yes".
When you want to render your final project you then goto "Share -> "Same As Project Settings". and create your edited video file.
Then start a new project and go directly to "Share --> "Create Disk", in the Create disk module hit the F6 key (Preferences) and assign all the correct parameters. Then insert your dvd compliant mpeg2 video file into the burning module, create chapters, menus & burn your dvd. By using dvd compliant video in the burning module no re-rendering occurs and the process goes faster and is more reliable.
Notes: If you intend on editing the mpeg files after recording then you should be recording on your camcorder in the -VR mode.
This requires using a dvd-rw disk, when you insert the mini-dvd into your camcorder you format the mini-dvd for -VR mode, not video-dvd. When shooting video it's usually best to pause the cam between shots. If you cycle the cam or stop the actual recording this creates a new mpeg2 file on the dvd. What happens with these handycams is you end if with many small clips by stopping & restarting recording rather then pausing. When you record in the -VR mode (editable mode) all the videos go into one large file on the dvd (they are still separate mpeg2 video files). It's not exactly the same as recording to a dvd-r disk or a dvd-rw disk written in the dvd-video mode.
Recording in the -VR mode creates the mpeg file in a different method compared to the video-dvd mode. You can trim/cut/divide the videos directly on the camcorder. The -VR mode use playlists and not chapters like dvd-video mode. DVD-RW's can be re-formatted / erased and reused for new recordings.
The proper method is to use the programs Import DVD/VR disk feature to extract the video files from your camcorder's dvd to your computer. It's important to use the Import from dvd feature and NOT to copy files directly from the camcorder into the VS editor. After the videos are extracted from the mini-dvd to your harddisk you can use VS to create a dvd.
To edit mpeg video takes experience because it's a highly compressed format.
Even with stating the above one may find they still need a specialized mpeg editor due to the extensive expensive computer coding involved with editing mpeg video. I happen to use both VS & specialzied mpeg editors for this reason.
Hope this helps,
-
petgray
No, actually using DVD+RW discs on my Sony desktop recorder produces a +VR disk (didn't mention the new +VR format). Both the -VR and +VR formats are new mpeg2 formats, they were added to the spec when dvd recorders/handycams came out.
The +VR disc is technically a non-editing format on the video end but you can edit the menu's on a dvd+rw disk writtten in the +VR mode.
I thought it important to point out that editing mpeg video on the surface appears to be easy when it's actually a very complex process.
Many expensive video editiing programs will not edit mpeg video and/or if they do the programs will not have a smart-render feature. Seems like many of the pros don't believe that smart-render would be reliable if one plans to distribute the videos across different platforms & clients, operating systems & different computers. Smart Rendering works though for simple consumer based playback.
I also have a dvd recorder with an internal harddisk. It's interesting to know that even on this dvd recorder if I join or edit the videos on the harddisk to burn a dvd when the dvd is burnt the videos are played back in realtime, not smart-rendered. The newer dvd recorders do have a fast write feature that is supposed to be smart-render. They also reccommend not to use the feature and don't guarantee proper playback. (It's called the fast-write feature).
The +VR disc is technically a non-editing format on the video end but you can edit the menu's on a dvd+rw disk writtten in the +VR mode.
I thought it important to point out that editing mpeg video on the surface appears to be easy when it's actually a very complex process.
Many expensive video editiing programs will not edit mpeg video and/or if they do the programs will not have a smart-render feature. Seems like many of the pros don't believe that smart-render would be reliable if one plans to distribute the videos across different platforms & clients, operating systems & different computers. Smart Rendering works though for simple consumer based playback.
I also have a dvd recorder with an internal harddisk. It's interesting to know that even on this dvd recorder if I join or edit the videos on the harddisk to burn a dvd when the dvd is burnt the videos are played back in realtime, not smart-rendered. The newer dvd recorders do have a fast write feature that is supposed to be smart-render. They also reccommend not to use the feature and don't guarantee proper playback. (It's called the fast-write feature).
-
petgray
Well, thanks once again for all that information. I now know a lot more about editing MPEG-2 files than I did 4 days ago when the problem started!
It's left me with a feeling of frustration though. I'm not particularly technically knowledgeable, just an ordinary consumer like most other people, and I think that the hardware and software manufacturers (including Sony and Ulead) are rather letting consumers like us down. If I spend a reasonable amount of money on a camcorder and a video editing program, and I follow the instructions provided, I expect that they will work together and do a reasonable job of editing my video. It's very frustrating when that doesn't happen and there is no help forthcoming from the manufacturers to explain why.
I don't remember seeing a warning on the box of my Sony camcorder saying "the files produced by this camcorder are considered to be non-editable, you need to use specialised software" nor do I remember seeing a similar warning from Ulead that "UVS is not designed to edit MPEG-2 files". On the contrary, the help files with UVS 10 positively encourage you to capture video in MPEG-2 format because of the small file size.
All I want to do as a consumer is edit my video and leave the technical details to the experts. Like, for example, if you have a heart attack, you would probably just want me to fix your problem, not explain to you how a defibrillator works. Hopefully one day we'll get to a point where this actually happens with video editing.
It's left me with a feeling of frustration though. I'm not particularly technically knowledgeable, just an ordinary consumer like most other people, and I think that the hardware and software manufacturers (including Sony and Ulead) are rather letting consumers like us down. If I spend a reasonable amount of money on a camcorder and a video editing program, and I follow the instructions provided, I expect that they will work together and do a reasonable job of editing my video. It's very frustrating when that doesn't happen and there is no help forthcoming from the manufacturers to explain why.
I don't remember seeing a warning on the box of my Sony camcorder saying "the files produced by this camcorder are considered to be non-editable, you need to use specialised software" nor do I remember seeing a similar warning from Ulead that "UVS is not designed to edit MPEG-2 files". On the contrary, the help files with UVS 10 positively encourage you to capture video in MPEG-2 format because of the small file size.
All I want to do as a consumer is edit my video and leave the technical details to the experts. Like, for example, if you have a heart attack, you would probably just want me to fix your problem, not explain to you how a defibrillator works. Hopefully one day we'll get to a point where this actually happens with video editing.
Using VS 10+
I hope I'm not tempting providence here, but if I may, I'd like to outline a rather complex video segment I've put together from a recent vacation. We were in London on the weekend of Shakespeare's birthday, and my step-daughter was selected to be on stage. I had 2 video cameras with me, and my wife was in charge of the digital SLR.
The resulting video clip has been edited down to just under 10 minutes. It is made up of a main Video track, 4 Overlay tracks, a Title track, a Voice track and a Music track.
I have used quite a number of crossfade transitions, a Flash animation and different audio formats and incorporated the digital photos, both as overlays and using pan and zoom in the main video track.
I also dropped in a seperately edited video segment, placing it's VSP in the timeline.
There is a 6 minute section of the production that has the following components running together ...
Main video track: Graphic background
Overlay track 1: Video camera 1
Overlay track 2: Video camera 2
Overlay track 3: Digital photograph - framed
Overlay track 4: Digital photograph - framed
Title track: caption
Voice track: narration
During the narrations, the original audio tracks on both videos was 'rubber-banded' to lower the background.
The resulting video, in every version I created, plays perfectly. There is no out-of-synch problem, no pixelisation, no drop-outs, no this, that or the other.
I realise that this is perhaps the opposite of what is required in this thread, i.e., looking for porblems, but I just thought I'd be a little ray of sunshine and show that when the stars are aligned and you hold your mouth right, sometimes the bits fall into place
The properties of the files are as follows.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
CAMERA 1
Sony HDR-HC7 HDV
File
File format: MPEG-2
Video
Video Type: MPEG-2 video, upper field first
Attributes: 24 bits, 1440x1080, 16:9
Frame rate: 29.970 frames/sec
Data rate: 25000 kbps
Audio
Audio type: MPEG Audio layer 2 files
Attributes: 48000 Hz, 16 bit, Stereo
Layer: 2
Bit rate: 384 kbps
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
CAMERA 2
Canon Optura 10 DV
File
File format: Microsoft AVI files - OpenDML
Frame rate: 29.970 frames/sec
Data rate: 3512.11 kbps
Video
Compression: DV Video Encoder - type 1
Attributes: 24 bits, 720x480, 16:9
Audio
Compression: DV Audio - NTSC
Attributes: 48000 kHz, 16 bit, Stereo
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Narration audio recorded using "Audacity"
File format: Microsoft WAV files
Compression: PCM
Attributes: 44100 kHz, 16 bit, Stereo
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Soundtrack
File format: MP3 Audio file
Audio type: MPEG Audio Layer 3 files
Attributes: 44100 kHz, 16 bit, Joint Stereo
Layer: 3
Bit rate: 128 kbps
File format: Microsoft WAV files
Compression: PCM
Attributes: 44100 kHz, 16 bit, Stereo
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Created Video file
Video
Video Type: MPEG-2 video, upper field first
Attributes: 24 bits, 1440x1080, 16:9
Frame rate: 29.970 frames/sec
Data rate: Variable bit rate (Max. 25000 kbps)
Audio
Audio type: MPEG Audio layer 2 files
Attributes: 48000 Hz, 16 bit, Stereo
Layer: 2
Bit rate: 320 kbps
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
From the finished video file I also created a Standard Definition DVD, and from the .vsp file I created a TS file and recorded it in HD back to the Sony HDV.
Cheers ... Paul
I hope I'm not tempting providence here, but if I may, I'd like to outline a rather complex video segment I've put together from a recent vacation. We were in London on the weekend of Shakespeare's birthday, and my step-daughter was selected to be on stage. I had 2 video cameras with me, and my wife was in charge of the digital SLR.
The resulting video clip has been edited down to just under 10 minutes. It is made up of a main Video track, 4 Overlay tracks, a Title track, a Voice track and a Music track.
I have used quite a number of crossfade transitions, a Flash animation and different audio formats and incorporated the digital photos, both as overlays and using pan and zoom in the main video track.
I also dropped in a seperately edited video segment, placing it's VSP in the timeline.
There is a 6 minute section of the production that has the following components running together ...
Main video track: Graphic background
Overlay track 1: Video camera 1
Overlay track 2: Video camera 2
Overlay track 3: Digital photograph - framed
Overlay track 4: Digital photograph - framed
Title track: caption
Voice track: narration
During the narrations, the original audio tracks on both videos was 'rubber-banded' to lower the background.
The resulting video, in every version I created, plays perfectly. There is no out-of-synch problem, no pixelisation, no drop-outs, no this, that or the other.
I realise that this is perhaps the opposite of what is required in this thread, i.e., looking for porblems, but I just thought I'd be a little ray of sunshine and show that when the stars are aligned and you hold your mouth right, sometimes the bits fall into place
The properties of the files are as follows.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
CAMERA 1
Sony HDR-HC7 HDV
File
File format: MPEG-2
Video
Video Type: MPEG-2 video, upper field first
Attributes: 24 bits, 1440x1080, 16:9
Frame rate: 29.970 frames/sec
Data rate: 25000 kbps
Audio
Audio type: MPEG Audio layer 2 files
Attributes: 48000 Hz, 16 bit, Stereo
Layer: 2
Bit rate: 384 kbps
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
CAMERA 2
Canon Optura 10 DV
File
File format: Microsoft AVI files - OpenDML
Frame rate: 29.970 frames/sec
Data rate: 3512.11 kbps
Video
Compression: DV Video Encoder - type 1
Attributes: 24 bits, 720x480, 16:9
Audio
Compression: DV Audio - NTSC
Attributes: 48000 kHz, 16 bit, Stereo
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Narration audio recorded using "Audacity"
File format: Microsoft WAV files
Compression: PCM
Attributes: 44100 kHz, 16 bit, Stereo
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Soundtrack
File format: MP3 Audio file
Audio type: MPEG Audio Layer 3 files
Attributes: 44100 kHz, 16 bit, Joint Stereo
Layer: 3
Bit rate: 128 kbps
File format: Microsoft WAV files
Compression: PCM
Attributes: 44100 kHz, 16 bit, Stereo
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Created Video file
Video
Video Type: MPEG-2 video, upper field first
Attributes: 24 bits, 1440x1080, 16:9
Frame rate: 29.970 frames/sec
Data rate: Variable bit rate (Max. 25000 kbps)
Audio
Audio type: MPEG Audio layer 2 files
Attributes: 48000 Hz, 16 bit, Stereo
Layer: 2
Bit rate: 320 kbps
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
From the finished video file I also created a Standard Definition DVD, and from the .vsp file I created a TS file and recorded it in HD back to the Sony HDV.
Cheers ... Paul
|| VS10+ || PhotoImpactX3 || DVDMF6+,MF5+ || Cool3D-3.5 || PSPro8 || Photoshop CS8 || Sony HDR-HC7 camcorder || Olympus Evolt E-500 Digital SLR || 42"LCD HDTV
-
Jerry Jones
- Posts: 358
- Joined: Sat Feb 19, 2005 4:14 pm
- Location: Boise, Idaho, USA
- Contact:
Re: Mini-DVD camcorder survey ¡V please contribute
When I was a consultant for Ulead (2003 - 2004), I reported this issue numerous times in connection with my Panasonic VDR-M30 DVD disc camcorder using 8cm DVD-RAM discs to record standard definition MPEG-2 files.
Finally, one of the Ulead engineers, after several weeks of my continued e-mails about the issue, e-mailed a response with instructions that I did try successfully to fix the problem.
Here:
http://www.jonesgroup.net/media/mspfiveb.htm
The response was for MediaStudio Pro, but I remember this Ulead engineer said the same steps should work for VideoStudio.
It did fix the video/audio synchronization problem for me.
The odd thing about this issue is that -- in my case -- the video/audio synchronization problem did not appear until after editing my DVD camcorder files and then burning a conventional DVD.
Perhaps this fix will work for you.
Jerry Jones
http://www.jonesgroup.net
Finally, one of the Ulead engineers, after several weeks of my continued e-mails about the issue, e-mailed a response with instructions that I did try successfully to fix the problem.
Here:
http://www.jonesgroup.net/media/mspfiveb.htm
The response was for MediaStudio Pro, but I remember this Ulead engineer said the same steps should work for VideoStudio.
It did fix the video/audio synchronization problem for me.
The odd thing about this issue is that -- in my case -- the video/audio synchronization problem did not appear until after editing my DVD camcorder files and then burning a conventional DVD.
Perhaps this fix will work for you.
Jerry Jones
http://www.jonesgroup.net
petgray wrote:I¡¦m having issues with UVS causing my video and audio to go out of synch when it renders files
Gateway 7426gx
http://tinyurl.com/hagye
http://tinyurl.com/hagye
-
Jerry Jones
- Posts: 358
- Joined: Sat Feb 19, 2005 4:14 pm
- Location: Boise, Idaho, USA
- Contact:
Ooops.
I now see your post where you indicate you've already tried this fix and that it didn't work for you.
Do you have anything in your timeline other than your DVD camcorder files?
Jerry Jones
http://www.jonesgroup.net
I now see your post where you indicate you've already tried this fix and that it didn't work for you.
Do you have anything in your timeline other than your DVD camcorder files?
Jerry Jones
http://www.jonesgroup.net
Gateway 7426gx
http://tinyurl.com/hagye
http://tinyurl.com/hagye
-
sjj1805
- Posts: 14383
- Joined: Wed Jan 26, 2005 7:20 am
- System_Drive: C
- 32bit or 64bit: 32 Bit
- motherboard: Equium P200-178
- processor: Intel Pentium Dual-Core Processor T2080
- ram: 2 GB
- Video Card: Intel 945 Express
- sound_card: Intel GMA 950
- Hard_Drive_Capacity: 1160 GB
- Location: Birmingham UK
Please view:
VideoStudio 11+ Audio/Video Synchronisation Bench Test
Whilst you asked about MPEG files produced by camcorders, mine produces DV (avi) and so I can only supply you with the results of MPEG files produced by my Hauppauge TV card.
Hope this assist you in your research, plus it IS a good idea for users to exchange notes so that IF any common problems exist we will be aware of them.
VideoStudio 11+ Audio/Video Synchronisation Bench Test
Whilst you asked about MPEG files produced by camcorders, mine produces DV (avi) and so I can only supply you with the results of MPEG files produced by my Hauppauge TV card.
Hope this assist you in your research, plus it IS a good idea for users to exchange notes so that IF any common problems exist we will be aware of them.
I believe petgray was asking for both positive and negative feedback... We know that some people have these problems, and other's don't. But, I have no idea what percentage of MPEG users have problems. I suspect it's a small number of us, and that may be why Corel/Ulead is unwilling to fix it. Apparently, there are more customers who want "cool new features".I realise that this is perhaps the opposite of what is required in this thread, i.e., looking for problems,
I don't remember seeing a warning on the box of my Sony camcorder saying "the files produced by this camcorder are considered to be non-editable, you need to use specialised software" nor do I remember seeing a similar warning from Ulead that "UVS is not designed to edit MPEG-2 files". On the contrary, the help files with UVS 10 positively encourage you to capture video in MPEG-2 format because of the small file size.
Very annoying.... My Hauppauge card (MPEG only) actually came bundled with Movie Factory, which worked fine for making DVDs as long as you didn't try editing with it.I can accept the quality degradation when the MPEG is decoded and re-compressed. But, there is no excuse for for the audio & video going out of sync or otherwise corrupting the MPEG data structure!
DVD-cameras are becoming very popular, and I expect Corel/Ulead to fix this problem eventually... Maybe when the problem gets written-up in a magazine.
[size=92][i]Head over heels,
No time to think.
It's like the whole world's
Out of... sync.[/i]
- Head Over Heels, The Go-Gos.[/size]
No time to think.
It's like the whole world's
Out of... sync.[/i]
- Head Over Heels, The Go-Gos.[/size]
Absolultey no problems, and an using several mini dv cameras. I have 2 Panasonic AG-DVX 100b's, no problem, they shoot High Def using mini DV tapes. I have a sony dcr, uses sony mini dv tapes, all mpeg-2, no problem, and a standard mini dv panasonic, uses mini dv, no problem.
All usa software, (that should not make a difference), dunno, I have no problems editing, or capturing.
You see my hardware...
All usa software, (that should not make a difference), dunno, I have no problems editing, or capturing.
You see my hardware...
Well, I agree with Peter and someone shouldn't have to go through all the aggravation of having a project preview correctly as you are building it with the end result being nothing but a waste of time and aggravation.
I just wanted to make it aware that mpeg video is complex, many programs have the same issues as VideoStudio when editing mpeg2 video. The manufactures don't tell you this, otherwise they wouldn't sell as many cams. Most people don't want to edit, they want to shoot & playback or just convert the mini-dvds to full size 5 1/4" dvd to playback in their dvd players.
Heck, go buy a AVCHD HighDef cam and look at that scenario. It's going to take a few years for software to catch up to H264 native video editing. They were pushing these cams in the stores before any video editing software was capable to even read these HighDefintion video files. Nothing about that on the box. As a matter of fact these cams come with software to convert the HighDefintiion video to make a dvd. Why not just buy a dv or dvd cam then. I don't have an answer except I guess going by past experience the hardware will push the software industry to develop better software.
Look at Hugos example: His source mpeg video files are the standard HDV spec along with dv frame accurate video. The program can deal with these formats easier. His HDV video is constant bit rate with mpeg audio.
Peters mpeg2 video is variable bit rate, encoded by a sony encoder along with 5.1 Dolby audio. Peters max_bit_rate is 9100 or 9500. My Sony recorder when recording in Standard Mode marks the Max_Bit_Rate at 9800, yet the true average bit-rate of the video is approx 4400kbs VBR (variable bit rate). This is a problem when one program uses a different encoder and another program tries to edit the video with it's different encoder. This is why editing mpeg2 video isn't easy and takes experience. I probably should also add luck into the equation
Personnally I think that when smart-render is turned off the encoder should do a better job of re-sampling the original video, even if it takes longer. I have other programs that don't smart render and the editing mpeg video still looks great.
I just wanted to make it aware that mpeg video is complex, many programs have the same issues as VideoStudio when editing mpeg2 video. The manufactures don't tell you this, otherwise they wouldn't sell as many cams. Most people don't want to edit, they want to shoot & playback or just convert the mini-dvds to full size 5 1/4" dvd to playback in their dvd players.
Heck, go buy a AVCHD HighDef cam and look at that scenario. It's going to take a few years for software to catch up to H264 native video editing. They were pushing these cams in the stores before any video editing software was capable to even read these HighDefintion video files. Nothing about that on the box. As a matter of fact these cams come with software to convert the HighDefintiion video to make a dvd. Why not just buy a dv or dvd cam then. I don't have an answer except I guess going by past experience the hardware will push the software industry to develop better software.
Look at Hugos example: His source mpeg video files are the standard HDV spec along with dv frame accurate video. The program can deal with these formats easier. His HDV video is constant bit rate with mpeg audio.
Peters mpeg2 video is variable bit rate, encoded by a sony encoder along with 5.1 Dolby audio. Peters max_bit_rate is 9100 or 9500. My Sony recorder when recording in Standard Mode marks the Max_Bit_Rate at 9800, yet the true average bit-rate of the video is approx 4400kbs VBR (variable bit rate). This is a problem when one program uses a different encoder and another program tries to edit the video with it's different encoder. This is why editing mpeg2 video isn't easy and takes experience. I probably should also add luck into the equation
Personnally I think that when smart-render is turned off the encoder should do a better job of re-sampling the original video, even if it takes longer. I have other programs that don't smart render and the editing mpeg video still looks great.
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Jerry Jones
- Posts: 358
- Joined: Sat Feb 19, 2005 4:14 pm
- Location: Boise, Idaho, USA
- Contact:
1. Given the bug in MPEG smart render;
2. Given the bug in some DVD camcorder MPEG loss of video/audio synchronization;
3. Given the difficulty of editing AVCHD;
...my workflow has changed.
I now easily edit AVCHD in both MediaStudio Pro 8 and VideoStudio 11 by converting the long GOP AVCHD files to virtually lossless Cineform .avi files, which vastly reduce the processor load, making AVCHD editing as painless as DV .avi editing. The edited .avi files are then converted to either HD MPEG-2, AVCHD, or WMV HD for output.
I now convert my standard definition DVD camcorder MPEGs to DV .avi using the DV codec in a competing program (which I won't name, but which features an amazingly effective DVD-to-DV transcode), then I edit.
These methods...
a. overcome the MPEG smart render issue;
b. overcome the loss of video/audio synchronization issue;
c. preserve quality.
They also allow me to continue editing in my favorite programs without having to upgrade to far more expensive competing programs (for now).
Jerry Jones
http://www.jonesgroup.net
2. Given the bug in some DVD camcorder MPEG loss of video/audio synchronization;
3. Given the difficulty of editing AVCHD;
...my workflow has changed.
I now easily edit AVCHD in both MediaStudio Pro 8 and VideoStudio 11 by converting the long GOP AVCHD files to virtually lossless Cineform .avi files, which vastly reduce the processor load, making AVCHD editing as painless as DV .avi editing. The edited .avi files are then converted to either HD MPEG-2, AVCHD, or WMV HD for output.
I now convert my standard definition DVD camcorder MPEGs to DV .avi using the DV codec in a competing program (which I won't name, but which features an amazingly effective DVD-to-DV transcode), then I edit.
These methods...
a. overcome the MPEG smart render issue;
b. overcome the loss of video/audio synchronization issue;
c. preserve quality.
They also allow me to continue editing in my favorite programs without having to upgrade to far more expensive competing programs (for now).
Jerry Jones
http://www.jonesgroup.net
Gateway 7426gx
http://tinyurl.com/hagye
http://tinyurl.com/hagye
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Clevo
- Advisor
- Posts: 1243
- Joined: Sun Jul 08, 2007 2:39 am
- System_Drive: C
- 32bit or 64bit: 64 Bit
- motherboard: Asus PK5
- processor: Intel Quad CPU Q6600 2.40GHz
- ram: 4GB
- Video Card: NVIDIA GeForce 8600 GTS
- sound_card: Auzentech X-Fi Forte
- Hard_Drive_Capacity: 850GB
- Location: Sydney, Australia
Deleted...my apologies...missed the "D"
Last edited by Clevo on Wed Jul 25, 2007 8:09 am, edited 1 time in total.