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afterdawn.com > forums > archived forums > mpeg-1 and mpeg-2 encoding (avi to dvd) > converting avi to mpg with tmpgenc
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Converting AVI to MPG with TMPGEnc
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ns4u
Suspended due to non-functional email address
_ 		1. July 2003 @ 15:23 _ Link to this message    Send private message to this user   
Hi

I converted at 320mb video file to mpeg and got a 100mb file that will not display sound or video.

The setting I used were - MPEG-2 512x384 23.976fps VBR 1150kbps, Layer-2 44100Hz 192kbps.

any ideas folks.
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Dela
Staff Member
_ 		1. July 2003 @ 22:54 _ Link to this message    Send private message to this user   
Do you have the correct codecs installed?? download GSpot and check the AVI file!
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ns4u
Suspended due to non-functional email address
_ 		1. July 2003 @ 23:03 _ Link to this message    Send private message to this user   
Hi

GSpot reports required codecs are installed and I am able to play the original AVI file.

My other settings are
Video
Stream type - mpeg-1 video
size 512 x 384
aspect ration 1:1(VGA)
Frame Rate 23,976 fps
Rate control mode 2-pass VBR(VBR)
VBR buffer size o
Motion search precision Normal
Audio
MPEG-1 Audio layer II
sampling at 44100
channel stereo
bitrate 192



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Dela
Staff Member
_ 		1. July 2003 @ 23:09 _ Link to this message    Send private message to this user   
hmm ok, have you tried to decompress the audio?? are there any bad frames when you play the AVI?
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ns4u
Suspended due to non-functional email address
_ 		2. July 2003 @ 09:29 _ Link to this message    Send private message to this user   
Hi Dela, did not notice any bad frames but I will try to decompress the audio to see if it help.

Thanks for advice
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Dela
Staff Member
_ 		2. July 2003 @ 12:48 _ Link to this message    Send private message to this user   
No Problem!
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acheron
Newbie
_ 		3. July 2003 @ 01:35 _ Link to this message    Send private message to this user   
Well one thing I can spot staight away...your resolution is incorrect for vcd (as your creating an mpeg1)

Pal (25fps) = 352 x 288
Ntsc/Film (29 or 23.976) = 352 x 240

Also your Bitrate should be cbr (constant 1150)
NOT vbr (variable 1150)

And if were being REALLY picky :o)

Your audio should be 224kbs not 192 (but this rearly makes a difference)

Are you going for vcd or svcd as i noticed you say mpeg2 in the first post but mpeg1 in the second ?

Regards Acheron
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This message has been edited since posting. Last time this message was edited on 3. July 2003 @ 01:41
Dela
Staff Member
_ 		3. July 2003 @ 10:06 _ Link to this message    Send private message to this user   
Ah ye, I didnt even check that out at all, lol

The reason for that is, TMPGEnc takes the frame size of the source video when it is loaded in, in fact i better add that to the TMPGEnc problems thread.

As for audio 192kb/s is actually standard even though Nero might tell you otherwise!
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acheron
Newbie
_ 		3. July 2003 @ 23:19 _ Link to this message    Send private message to this user   
Nope 224 kbs @ 44.1 khz is the audio standard for vcd.. :o)

Edit: I just checked were both wrong & right

Vcd 1.1 spec is: 224 kbit/sec
Vcd 2.0 spec is: 128,192,224 or 384(!) kbit/sec

All at 16 bit,44.1k Sampling rate. :o)


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This message has been edited since posting. Last time this message was edited on 3. July 2003 @ 23:48
Dela
Staff Member
_ 		4. July 2003 @ 14:04 _ Link to this message    Send private message to this user   
lol, well there is no point in going higher than 224kb/s on VCD cause it sucks video quality anyway!
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ns4u
Suspended due to non-functional email address
_ 		6. July 2003 @ 09:07 _ Link to this message    Send private message to this user   
Thanks for the feedback guys
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Dela
Staff Member
_ 		7. July 2003 @ 14:42 _ Link to this message    Send private message to this user   
no prob for mine anyway!
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Related links
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