Ubuntu Multimedia :: Audio Out Of Sync After Creating .iso Using Brasero With Version 10.04
Jan 5, 2011
I am attempting to backup DVDs that I own to .iso format so that I'm able to watch them using xbox media center. I've simply been copying the entire DVD to my HD in .iso using brasero.When I watch the .iso file in XBMC, the audio is a fraction of a second ahead of the video. The gap between the audio and video doesn't seem to change over the duration of the clip.
What are the likely causes of this issue? I've read that it could be a slow processor, little ram, or inadequate video card. If it's indeed a hardware issue, I suppose I'm SOL with my current laptop: a 2006 dell with a core 2 duo processor, 2GB ram, and a middle of the road video card at that time.Is there any software tweak I can explore to get the .iso file to sync properly?Also, I know it's customary for posters to list their system specifications, but I don't know how to call up my software or hardware setups.
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Jul 9, 2011
Audio sync method. "Stretches/squeezes" the audio stream to match the timestamps, the parameter is the maximum samples per second by which the audio is changed. -async 1 is a special case where only the start of the audio stream is corrected without any later correction.Searching the net makes one believe that this command is just some sort of magic.People just put it in the line and it just works. Isn't that nice?
It says nothing about how to change the TIME the audio starts syncing. Like do I want it to start 5 seconds delayed? Or what about 5 seconds sooner?What if the audio gets more out of sync as the video goes on? Can I slip it a little at a time? What? No magic?No one mentions a file that already has badly synced audio.So what -async 1 really does is simply start the audio at the beginning of the file. LIKE AS IF THAT ISN'T STANDARD PROCEDURE?So what is the exact solution to syncing a messed up video? And why can't it just do the proper "timestamp" sync in the first place?No docs, no info and you are left out in the cold.
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May 17, 2010
I have tried to burn dvd's using Brasero, after making the dvd etc I choose to burn as a video, but it gets to around 95% of converting the file to MPEG2 or 4 (Tried both) and just sits there doing nothing!I even left it over night to see if that helped but no joy.
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May 12, 2010
I am having problems burning audio CDs with Brasero 2.30.0 after my upgrade to 10.04. I was trying to burn a .wav file to CD but Brasero ejects the media without burning anything after transcoding the wav file and creating an image. I'm attaching the error log to aid in debugging.I can burn data CDs fine. My burner, a Samsung SM-308B, can't burn DVDs so I don't know about burning them.
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Jun 23, 2010
I tried to make a copy of my Audio CD and it asked me to install some plugins, so I installed them. After installing them, it still doesn't copy any audio cd. Can someone tell me how to fix this problem, because GnomeBaker takes long time to copy an audio cd.
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Aug 20, 2010
This happens every time I try to burn an audio CD burning data CD seems to work fine.I open Brasero, click Audio project, drag a couple of FLAC files into it and try to burn, or in this particular case, create an image.A dialogue pops up where I am supposed to tell it where to put the image. I click Desktop but I don't change the file name (something like brasero.cue or whatever).Then it starts doing things but after a short while I get an error message and I am asked to save the log file, which I did and here it is:
Code:
Checking session consistency (brasero_burn_check_session_consistency brasero-burn.c:1741)
BraseroNormalize called brasero_job_get_action
[code]....
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Feb 5, 2010
I have made numerous audio CD's with Brasero, but recently I had to make one and mid way through the burning process I am given this error: Could not decode stream. Or some variation like that. It ruins the cd and after I get the error I can not eject the disc.
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Dec 9, 2010
I am not able to burn audio CDs with Brasero 2.30.1, which uses cdrdao 1.2.3 However, Opensuse 11.3 comes with cdrdao 1.2.2 I don't feel comfortable replacing the version myself. Is there any plans to update cdrdao for Opensuse any time soon? PS: I am running Gnome in Opensuse 11.3
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Oct 17, 2010
I've upgraded Ubuntu 10.04 to Ubuntu 10.10 yesterday and I'm experiencing some issues now.
Audio is out of sync for all videos I'm trying to watch in VLC (sync was 100% fine in Ubuntu 10.04).
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Dec 2, 2010
I watch alot of news videos and within 1 - 2 minutes the video and audio become out of sync. The video is lagging the audio. I'm using 10.10 32 bit with Shock Flash 10.1 r102 on Firefox. Will the 10.2 beta flash fix this problem?
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Mar 29, 2011
I put all my dvds on my "media center" by converting them to .MP4 with handbrake.
Recently I saw that with a MKV file you could do soft subtitles. I tested a part of a movie, and the audio and video are very out of sync.
With MP4/burned in audio everything is ok...
Edit: Ow yes I'm using XBMC for playing it. MP4 + MKV files are both H.264, they have the exact same settings except for subtitles...
Weirdly Enough: I tried another video and at this one the audio is in sync....
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May 27, 2011
After upgrading to 11.04, video and audio are out of sync by about one second when playing movies in VLC, or opening a clip on the web. Reinstalling does nothing.
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Jun 20, 2011
I am burning DVD iso's and they seem to work great I have video output and sound output however as the film goes on the audio gradually becomes more out of sync but if I hit the rewind button on my remote and then play the sound is in sync again for a few minuets. I am using DeVeDe and Gnome Baker to create and burn my iso images to disc and they work great on the computer but not so great on my dvd players I am burning onto Verbatim DVD-R using Ubuntu 10.04 lucid lynx.
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Feb 5, 2015
I try to record video with my Win TV capture card with avconv. The exact same lines worked fine with Ubuntu 12 and with SUSE, but with Ubuntu 14, the audio is out of sync.
avconv -f video4linux2 -channel 1 -s 640x480 -i /dev/video0 -deinterlace -f alsa -i plughw:1,0 -ar 22050 -ab 64k -acodec ac3_fixed -vcodec mpeg4 -vb 2000k -y test.mp4
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Sep 10, 2015
I have a problem with avconv. Most of the use cases work spledidly, but when I need to crop a segment and then splice multiple segments together, I get problems.
The process I use is this:
1. Raw recording of short segments in high-quality AVI, These are produced by avconv, some as screencast and some by combining a PNG file with flac audio from audacity.
2. Conversion segment by segment into mp4 and ogv
Options A: -acodec aac -strict experimental -ab 128k -ac 2 -vcodec libx264 -s 640x480 -pix_fmt yuv420p -movflags +faststart -crf 22
Options B: -acodec libvorbis -ab 128k -ac 2 -vcodec libtheora -s 640x480 -b 500k
3. Splicing of the segments using MP4Box or oggCat.
(I used to do this in ffmpeg, but I have not figured out how to do it in avconv.)
This works.
In some cases I need to crop the segments, using the copy codecs and the -ss and/or =t options.
If I crop the AVI segments (between 1 and 2) the sound is clipping (this also generates a spree of error messages `Non-monotonous DTS'). If I crop mp4/ogv segments, (between 2 and 3) the remaining video, after the cropped segment are out of sync. I get the same problems with both OGV and MP4 playing them in vlc. Playing the mp4 directly in iceweasel works as it should.
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Oct 20, 2015
So I got myself a USB capture card (EasyCap) to use for capturing gaming, digitizing my kids' old VHS movies, etc. It works fine, I've been using VLC to view and record stuff from it, but I've noticed one issue. When recording streams via VLC, even with no other programs running to give VLC as much CPU time as it wants, the audio slowly falls out of sync. I've tried the MP4 (H264/MP3) container and the OGG (Vorbis/Theora) container.
Early on you can't hardly tell, but the further into a movie you get the more out of sync the audio gets, so that by the end of the movie the audio is a good 1-2 seconds off. It's not a set amount either so I can't just split the audio to a separate file then shift it one direction or the other to make up for the difference, because like I said, the offset starts out at nothing and gets progressively larger as the movie goes on. When I select "display locally", the video/audio that is displayed stays in sync, only the video/audio that gets committed to the output file falls out of sync, and it doesn't matter if I play the file with Totem or VLC.
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Aug 9, 2010
I have a couple of .avi clips in which the sound plays 2 seconds before the video, so I need a software that can re-sync the sound correctly with the video with affecting the video/audio quality, what program can I use? What is the name of this feature in video editing programs? I am using Ubuntu 10.04. I noted that the Multimedia & video forum have only threads about problems in playing videos & cards drivers problems.
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Aug 31, 2010
my goal is to record video using a canon powershot camera, edit the avi file on my ubuntu 10.04 computer, then upload the rendered file to videos.
problem is that when i cut the video, the audio is no longer in sync with the video, it's off by about 1-2 seconds. this happens with both openshot and pitivi, so i suspect that it's caused by a bug with the codec. (files are avi with mjpeg codec). after searching launchpad, this is apparently a "known issue". that's great but for now i need a workaround.
i do have an old g4 powerbook with imovie hd v6 on it that i can use, but i'd prefer not to because:
1. the powerpc mac is much slower than my new dual core laptop
2. imovie compresses my videos too much so the rendered file is lower quality
3. i simply prefer openshot to imovie
i was thinking of preprocessing my avi files by converting them to another format with a non-buggy codec on linux. i downloaded ffmpeg, but not sure how to use it and what format to use. would mpeg2 be a safe one to use?
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Dec 17, 2010
This is my first time creating a video DVD from other video files. I drag and dropped 2 .flv files to the area where it tells you to drag them. They appeared there. Then I clicked "Burn..." and brasero disappeared.
I ran it in terminal and this is what I got:
Code:
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Aug 20, 2010
The full log is too long to post here (I could upload it somewhere if necessary) but here is the relevant part.
Code: BraseroWodim stderr: Errno: 5 (Input/output error), write_g1 scsi sendcmd: no error
BraseroWodim called brasero_job_get_flags
BraseroWodim stderr: CDB: 2A 00 00 00 04 DA 00 00 1B 00
BraseroWodim called brasero_job_get_flags
[Code].....
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Jul 17, 2011
I'm trying to burn an audio CD with Brasero. Every time I try this, it fails, but it works when writing to an image file. Brasero quits with the following messages in log:
Code:
Checking session consistency (brasero_burn_check_session_consistency brasero-burn.c:1744)
Unsupported type of task operation
Session error : An internal error occurred (brasero_burn_record brasero-burn.c:2862)
Do you know what could be causing this?
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May 1, 2010
Not exactly sure but tried several fixes and I'm now getting sound.
Not overly loud but decent enough. Funnily enough it sounds louder inside a windows virtual machine!
I've managed to get everything working including built in webcam on my laptop.The only thing I can't get is sound.
I have a Vaio VPC-EB1E0E which has "Intel HD Audio" . sound worked in Windows when I first booted up and used a Realtek Audio driver.
I'm using Kubuntu 10 RC1 - 64 bit (unable to get any earlier version of U/Kubuntu to work - unable to get Fedora to work either).
The closest info I've seen to helping is:
[URL]
I installed it but wasn't sure how to configure and it still didn't work... (no idea what codec etc)
00:1b.0 Audio device: Intel Corporation 5 Series/3400 Series Chipset High Definition Audio (rev 05)
Subsystem: Sony Corporation Device 9071
Flags: bus master, fast devsel, latency 0, IRQ 22
[Code].....
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Jul 12, 2011
im trying to burn an audio cd with brasero,when i select the audio files to add to the project i get an error message saying :"Track 1.wav" could not be opened." and :"Track 1.wav" is not suitable for audio or video media."i also tried the "copy cd" option,the program recognizes the audio cd in my drive but when i press the copy button the window disappears and nothing happen.i had a similar problem lately see thread - cant burn dvd,but this time i want to try and use brasero instead of k3b
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Jan 2, 2011
I bought new laptop (VOSTRO 1015) with defalut ubuntu 8.1 linux OS. i need to instal latest ubuntu version, is it possible to override old version with new version if i can over ride old version is there any problems with my laptop.When i palyed MP3 and Videos in movie player one pop message was displayed codec are not available , ubuntu version is out dated.i need to instal latest ubuntu with audio and video drivers
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Jun 20, 2011
Majority of the videos I play with VLC the audo is out of sync, I have to delay it about 400ms to sync it. This only started happening after I upgraded to 10.04 64bit ( from 32bit ). Could it be a bug in the version of VLC I'm using (1.1.10)?
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Nov 22, 2009
I have found that if I change the FPS of a video, the audio is out of sync.
Is there a way in mencoder to have it correct this, and maintain the correct sync?
I don't think it is just a matter of audio/video delay. I have tried many times to correct this via that method, and it doesn't come close. Although, if I encode the video to another format, but with the original fps, the audio is sync'd.
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Jul 24, 2011
V.L.C. and all others - but Totem - video players that I have installed have audio out of sync. This occurs in both D.V.D. and .mkv & .avi. I had this problem with V.L.C. 1.1.10 & now with 1.1.11. I do not think that this is a problem with V.L.C. since I have had the same issue occur with gnome-mplayer. I tried to downgrade gstreamer*, and that did not correct my problem. It shouldn't be a problem with libdvd* since the problem still occurs with files on my drive. Handbrake doesn't fail to rip D.V.D correctly.
Because of all of this I figure that it must be a system library that Totem and HandBrake don't use ( or bundle most likely in the case of HandBrake ).I am using Fedora 15 x86_64 with all updates to date.
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Sep 28, 2010
How to sync audio and video which is captured from a aeperate camera device and a microphone,how to relate timestamps to audio and video to syncing.I m capturinfg video at 30fps and audio 160 samples everytime so how these 2 should be related to sync and playback at a time
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May 18, 2009
I've been trying to use cheese to record greeting from my kids to grand parents etc. But every time I record a video, the video is choppy and the audio sync is off. I've used the one in the (F11) repos and built it from source. It behaves the same using other distros as well. Is this par for the course with cheese, or is it my hardware?[URL]... Any other applications/methods to record audio & video while providing a video.
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Feb 12, 2011
I have setup my gmail and yahoo account in evolution. I can see my mails and send mails from evolution. But they(evolution and server) is not synchronized, i.e. if I read a mail in evolution, it still shows as unread in web version. or deleted mail keep coming back unless i delete it from web also.
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