I have downloaded a few 720p movies which is in mp4 format. they played well on my computer but when I watch on my hd tv, the audio and video are not playing together. they only play well at the first 30 mins, after that, it looks like the audio is playing slower than the video(or maybe vise versa). same thing happened when i play it on my tablet.
mkv video also have the same problem and most of them only happen with 720p. i dont think it happen with 480p.
why did it happened and is there any way to fix it?
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Format profile : Main@L4.0
Format settings, CABAC : Yes
Format settings, ReFrames : 5 frames
Codec ID : avc1
Codec ID/Info : Advanced Video Coding
Duration : 2h 11mn
Bit rate : 1 500 Kbps
Width : 1 280 pixels
Height : 534 pixels
Display aspect ratio : 2.40:1
Frame rate mode : Variable
Frame rate : 23.976 fps
Minimum frame rate : 23.968 fps
Maximum frame rate : 23.981 fps
Color space : YUV
Chroma subsampling : 4:2:0
Bit depth : 8 bits
Scan type : Progressive
Bits/(Pixel*Frame) : 0.092
Stream size : 1.37 GiB (93%)
Writing library : x264 core 130 r2273 b3065e6
Encoding settings : cabac=1 / ref=5 / deblock=1:0:0 / analyse=0x1:0x111 / me=umh / subme=8 / psy=1 / psy_rd=1.00:0.00 / mixed_ref=1 / me_range=16 / chroma_me=1 / trellis=1 / 8x8dct=0 / cqm=0 / deadzone=21,11 / fast_pskip=1 / chroma_qp_offset=-2 / threads=12 / lookahead_threads=2 / sliced_threads=0 / nr=0 / decimate=1 / interlaced=0 / bluray_compat=0 / constrained_intra=0 / bframes=3 / b_pyramid=2 / b_adapt=2 / b_bias=0 / direct=3 / weightb=1 / open_gop=0 / weightp=2 / keyint=240 / keyint_min=24 / scenecut=40 / intra_refresh=0 / rc_lookahead=50 / rc=abr / mbtree=1 / bitrate=1500 / ratetol=1.0 / qcomp=0.60 / qpmin=0 / qpmax=69 / qpstep=4 / vbv_maxrate=20000 / vbv_bufsize=25000 / nal_hrd=none / ip_ratio=1.40 / aq=1:1.00
Encoded date : UTC 2013-10-10 17:44:13
Tagged date : UTC 2013-10-10 19:16:19
Color primaries : BT.709
Transfer characteristics : BT.709
Matrix coefficients : BT.709
Audio
ID : 2
Format : AAC
Format/Info : Advanced Audio Codec
Format profile : LC
Codec ID : 40
Duration : 2h 11mn
Bit rate mode : Variable
Bit rate : 112 Kbps
Maximum bit rate : 198 Kbps
Channel(s) : 2 channels
Channel positions : Front: L R
Sampling rate : 48.0 KHz
Compression mode : Lossy
Stream size : 105 MiB (7%)
Language : English
Encoded date : UTC 2013-10-10 17:44:13
Tagged date : UTC 2013-10-10 19:16:19
I'm still new to all this stuff so please guide me. One more thing, I think the video is the one that is playing faster because the audio and the subtitle are still playing together.Last edited by jow90; 23rd Feb 2014 at 10:30.
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As usual, baldrick hit the nail on the head -- variable framerate.
You should probably go to whomever you bought this from and demand your money back. Then go buy a legal copy. -
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You can convert file with VidCoder
just set to constant framerate.
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