Hi I'm a newbie in video converting.
I used RipBot to convert anime from .avi to .mkv and I found some of the converted videos are out of sync with the audio.
The problem is the video after the conversion. The original video length is 22:07 but the converted video length is 22:05.
I tried with other anime and it seems that RipBot keep modifying the lengths of videos and fix them at 22:05.
How can I solve the problem?
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Post the details from the avi. Use MediaInfo, view->text and copy and paste.
Or try another all-in-one converter like handbrake or xmedia recode.
Or try remux the avi to mkv, with mkvtoolnix / mkvmergegui open the avi and make a new mkv. No video and audio reconversion. But if you are doing any resizing, shrinking, embedding subtitles this wont work. -
These are the details of the avi:
Format : AVI
Format/Info : Audio Video Interleave
File size : 353 MiB
Duration : 22mn 7s
Overall bit rate : 2 228 Kbps
Writing library : This file was made by AviUtl 0.99.
Video
ID : 0
Format : MPEG-4 Visual
Format settings, BVOP : Yes
Format settings, QPel : No
Format settings, GMC : No warppoints
Format settings, Matrix : Default (H.263)
Muxing mode : Packed bitstream
Codec ID : DX50
Codec ID/Hint : DivX 5
Duration : 22mn 7s
Bit rate : 2 027 Kbps
Width : 640 pixels
Height : 480 pixels
Display aspect ratio : 4:3
Frame rate : 23.934 fps
Color space : YUV
Chroma subsampling : 4:2:0
Bit depth : 8 bits
Scan type : Progressive
Bits/(Pixel*Frame) : 0.276
Stream size : 321 MiB (91%)
Writing library : DivX 5.0.2 (UTC 2002-05-16)
Audio
ID : 1
Format : MPEG Audio
Format version : Version 1
Format profile : Layer 3
Codec ID : 55
Codec ID/Hint : MP3
Duration : 22mn 7s
Bit rate mode : Constant
Bit rate : 192 Kbps
Channel(s) : 2 channels
Sampling rate : 48.0 KHz
Stream size : 30.4 MiB (9%)
Alignment : Split accross interleaves
Interleave, duration : 42 ms (1.00 video frame)
Interleave, preload duration : 41 ms
So there's no way you can 'prevent' BitRip from changing the video length?
p/s: Yea, I'm trying to use RipBot to convert the avi into smaller-size mkv. So far I've converted 4 episodes of 300+MB avi into 100+MB mkvLast edited by SmokerBamboo; 1st Feb 2012 at 10:39.
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I noticed the frame rate is non-standard:
Frame rate : 23.934 fps
What is the frame rate of the converted (out of synch) file? -
Thank you davexnet for replying.
Here's the media info of the converted file:
Format : Matroska
File size : 112 MiB
Duration : 22mn 6s
Overall bit rate : 706 Kbps
Movie name : Yu-Gi-Oh! Duel Monsters - Episode 005 - Ultimately Perfect Form, Great Moth_Experiment
Encoded date : UTC 2012-02-01 12:33:30
Writing application : mkvmerge v5.2.0 ('I can't explain') built on Dec 29 2011 19:29:57
Writing library : libebml v1.2.3 + libmatroska v1.3.0
Video
ID : 1
Format : AVC
Format/Info : Advanced Video Codec
Format profile : High 10@L4.0
Format settings, CABAC : Yes
Format settings, ReFrames : 4 frames
Codec ID : V_MPEG4/ISO/AVC
Duration : 22mn 6s
Bit rate mode : Variable
Bit rate : 513 Kbps
Maximum bit rate : 25.0 Mbps
Width : 640 pixels
Height : 480 pixels
Display aspect ratio : 4:3
Frame rate : 23.930 fps
Color space : YUV
Chroma subsampling : 4:2:0
Bit depth : 10 bits
Scan type : Progressive
Bits/(Pixel*Frame) : 0.070
Stream size : 79.0 MiB (71%)
Writing library : x264 core 120 r2146 bcd41db
Encoding settings : cabac=1 / ref=4 / deblock=1:1:1 / analyse=0x3:0x113 / me=hex / subme=6 / psy=1 / psy_rd=0.40:0.00 / mixed_ref=1 / me_range=16 / chroma_me=1 / trellis=1 / 8x8dct=1 / cqm=0 / deadzone=21,11 / fast_pskip=1 / chroma_qp_offset=-2 / threads=6 / sliced_threads=0 / nr=0 / decimate=1 / interlaced=0 / bluray_compat=0 / constrained_intra=0 / bframes=5 / b_pyramid=0 / b_adapt=1 / b_bias=0 / direct=1 / weightb=1 / open_gop=0 / weightp=1 / keyint=240 / keyint_min=24 / scenecut=40 / intra_refresh=0 / rc_lookahead=30 / rc=2pass / mbtree=1 / bitrate=513 / ratetol=1.0 / qcomp=0.60 / qpmin=0 / qpmax=81 / qpstep=4 / cplxblur=20.0 / qblur=0.5 / vbv_maxrate=25000 / vbv_bufsize=25000 / nal_hrd=vbr / ip_ratio=1.40 / aq=1:0.60
Audio
ID : 2
Format : MPEG Audio
Format version : Version 1
Format profile : Layer 3
Codec ID : A_MPEG/L3
Codec ID/Hint : MP3
Duration : 22mn 6s
Bit rate mode : Constant
Bit rate : 192 Kbps
Channel(s) : 2 channels
Sampling rate : 48.0 KHz
Stream size : 30.4 MiB (27%)
Language : Japanese
Text
ID : 3
Format : ASS
Codec ID : S_TEXT/ASS
Codec ID/Info : Advanced Sub Station Alpha
Language : English
The frame rate is different from the original video (23.930). So does it mean that I can solve my problem if the frame rate is the same? How do I solve my problem?Last edited by SmokerBamboo; 27th Feb 2012 at 20:31.
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Try using Avidemux 2.6 to convert the file. http://avidemux.razorbyte.com.au/
Download and install build 7740. -
To convert which file? The original one? I'm confused of how to use it to change the frame rate. Please provide some guideline. Thank you so much
Last edited by SmokerBamboo; 28th Feb 2012 at 09:24.
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leave the frame rate as is and try to re-convert the original. It's possible the FR is a red herring;
there may be other issues.
In general, if the FR is non-standard and you want to watch it on the PC, it's fine.
However, if you want to play it on an external media player/standalone it is better to
have it at the proper 23.976/29.97.
Sometimes some corruption in the source, perhaps only a few frames, can cause a
a synch problem during conversion.Last edited by davexnet; 28th Feb 2012 at 10:57.
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Set ouput format to MKV. Set video to mpeg4 AVC. The default setting is pretty good, CRF 20.
Try with settings 18 to 20. The lower the number, the bigger file and better quality. -
I must ask... why are you converting avi to mkv? You do not gain much.
MKV: Merely Krappy Video.
Subbers, a request from an avid viewer: Either don't use mkv, or supply avi or mp4 as an alternative.
For those frustrated with converting MKV: http://www.immortalmusic.net/mkv/ -
I wanna convert it into mini mkv. This will save alot of space for me >> Gain alot from this.
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