TMPG/Encode Mode-Interlace or Non-interlace?

[paulgab]

Hi! I use TMPG to encode my Hi8 caps into NTSC CVD/SVCD. Just want to know which one is the right setting for the "Encode Mode" in TMPG, interlace or non-interlace? I've already tried both but cannot notice any difference when viewed on TV? As for MPEG1 VCD this option is greyed out. I am aware that TV uses interlacing but how come i can't notice any difference between interlace and non-interlace encodes? What is the principle behind?

Does it make any difference if I will set the frame rate to 60fps then select "Interlace" as the encode mode? Thanks!

[0 kewl]

This mode should be set depending on source file: if progressive then non-interlaced mode is what you need, if interlaced then, obviously, interlaced mode (choose Bottom Field First (B) in Field Order box). Sometimes good idea is to tell TMPGEnc to de-interlace when encoding instead of setting field order.

[banjazzer]

If you are encoding to SVCD from an interlaced source, with the intention of watching on a TV, then I would think it preferable to encode interlaced!

[donking]

How can one tell if the source is interlaced. I'm trying to encode video I taped with my HI8 camera, but when played on TV all movement is extremely blocky.

Does that mean I used the wrong settings? Anyone knwos what settings to use to get some decent results with analog source material?

Don

[bigc]

How can one tell if the source is interlaced. I'm trying to encode video I taped with my HI8 camera, but when played on TV all movement is extremely blocky.

Does that mean I used the wrong settings? Anyone knwos what settings to use to get some decent results with analog source material?

Don

Don, did you ever get an answer to this? I think I'm having the same prob and dont know if its got something to do with the interlacing or not.


Cheers,

Craig

[banjazzer]

How can one tell if the source is interlaced.

Camcorder output is interlaced.

but when played on TV all movement is extremely blocky.

I don't understand the term blocky movement. Do you mean you get pixellation in motion scenes?

Anyone knwos what settings to use to get some decent results with analog source material?

Well, I would be trying to capture with the least compression possible and at a reasonable resolution - at least that of SVCD resolution. However, this is really dependant on your hardware and software, which you have not mentioned.

An ideal but costly situation would be via Firewire and using something like a Dazzle DV bridge.

[donking]

Well I capture AVI's with my DC10+ on a PIII 600. Maximum throughput as measured by the capturing application is 6Mb/s.

Now I've put the DC10+ in my other PC (Athlon 1800+), but I'm still waiting for my order of Studio 8 to be able to use the card under XP. The goal is to capture with no or minimum compression, and then check the results again.

I got rid of the combing effect by compressing with the interlace setting bottom field first (B). But the video is still/now flickering when played on my TV with my standalone DVD player.

At the mean time I looked at some realtime mpeg2 encoder cards like Vidacs Vmagic TV plus. Maybe thats the way to put homevideo's on DVD easily. It's a bit expensive though.

Don

[banjazzer]

I got rid of the combing effect by compressing with the interlace setting bottom field first (B). But the video is still/now flickering when played on my TV with my standalone DVD player.

This sounds like you may need to swap the field order around.

At the mean time I looked at some realtime mpeg2 encoder cards like Vidacs Vmagic TV plus. Maybe thats the way to put homevideo's on DVD easily. It's a bit expensive though.

If you can get a real-time encoder to capture at a quality (and price ) you like, this is good. This may be asking a lot, however. I would prefer to capture in the least compressed form possible, and encode at leasure.

I've used Studio 8 with DV through a firewire card and it was very good. I haven't tried the other analogue options, but if any software can do it, I think Studio can.