Log in

View Full Version : Does the DV cameras (canon mv5i/elura40) save on progressive or interlaced mode ?

fcaeiro
11th March 2003, 13:20
Does the DV cameras (canon mv5i/elura40) save on progressive or interlaced mode ?

If its interlaced should i stick with interlaced on the dvd or conver it to progressive ?

thank you
bb
11th March 2003, 13:51
The Canon MV5 supports progressive scan, but I don't know about the elura40. All camcorders support interlaced mode, but there are only a few progressive scan camcorders available. At least their number's increasing; even Sony offers progressive scan cams now. If a camcorder supports progressive scan, you can choose if you want to shoot in progressive or interlaced ("movie") mode.

If your source is interlaced you should encode interlaced MPEG-2 for DVD (and don't use zigzag scanning in the encoder settings). Be aware that DV is bottom field first.

If it's progressive, then leave it progressive. In this case you'll get better compression or better quality for the bitrate.

bb
majerle
11th March 2003, 14:23
@bb
Hi !

Do you know where to find this kinf of information ?
I will buy a sony DCR-TRV16 (just ordered) do you know anything about this ones?

Thanks

Andres
bb
11th March 2003, 16:03
Hello majerle,

you can find technical information by using search engines like Google. Your camcorder supports interlaced mode only (it has progressive still image support, though). Progressive scan camcorders are more expensive.

Look here:
http://www.techtronics.com/uk/shop/851-sony-dcr-trv16-dv-digital-camcorder.html

bb
majerle
11th March 2003, 16:38
Thanks bb !!

Andres
fcaeiro
11th March 2003, 17:34
ok
i'm almost decided to buy the mv5i (for me size matters) and withn this size i think mv5i its the better solution for what i want

SIZE
Good picture quality
Analog in
16x9 capture
and it seems progressive capture (i will try to check with canon)

any 1 hava an alternative for this one ..

Thank you
fcaeiro
11th March 2003, 18:56
bb:

Where did you find mv5 its progressive ?'
i dont find that information anywhere ...
bb
12th March 2003, 07:48
@fcaeiro:
I must admit that I simply assumed that the MV4 and MV5 camcorders have progressive scan like their predecessor MV3 which I own. But reading the specs they speak about "progressive photo shot" only. So I'm not certain any longer...

Does anybody here know for sure if the Canon MV5 series have progressive scan for film (not only photos) like the MV3?

bb
majerle
12th March 2003, 07:53
@fcaeiro

bb write
you can find technical information by using search engines like Google. Your camcorder supports interlaced mode only (it has progressive still image support, though). Progressive scan camcorders are more expensive

searching in google

http://www.ccccamerahouse.com.au/store/product.asp?idProduct=39

say "Scan Type : Progressive"

Regards

Andres
bb
12th March 2003, 09:03
Ok, but on
http://www.canon-europa.com/products/products.html
they explicitly state that the MV3 features a "800.000 pixel RGB Progressive Scan CCD", wheras on the MV5 page there's nothing.

On the two camcorder's "Technical Information" pages you find:
MV5: "CCD size: 1/6" interlace"
MV3: "CCD Type: 1/4" progressive scan"

As this information comes directly from Canon I fear the MV5 doesn't have progressive scan, but progressive photo shot only. Still not absolutely sure, though. To me it's strange that camcorder producers don't clearly advertise progressive scan capabilities.

bb
fcaeiro
12th March 2003, 10:52
bb: ok .

and if its interlaced will the image quality be lower ??

i realy like this model, but the progressive scan, it was important.

Mainly because i will convert the movies to DVD and i think will be better progressive on DVD..

Any help on interlaced to progressive DVD ??


thank you
bb
12th March 2003, 13:51
On DVDs there's enough space available to use bitrates high enough for interlaced encoding. You can save some space with progressive video, because you can achieve the same quality at up to 30% less bitrate. Generally this is not an important issue when dealing with DVDs. I wouldn't recommend interlaced encoding for SVCDs, though, because of the low bitrate you have to cope with.

Interlaced films are said to play "smoother" on interlaced displays (TV), because you see 50 fields instead of 25 progressive frames per second (PAL). Some people say they can see that the video is not as smooth when playing @ 25 fps progressive.

From progressive shots you can pick a still picture at any time, if there's movement or not, and it'll be clean. Interlaced shots show combing artefacts, which you will see on progressive displays, too (computer monitor), unless your player deinterlaced during playback (which degrades quality).

bb
fcaeiro
12th March 2003, 18:59
my enconder will be CCE
does CCE encode as interlaced..

If i need to make svcd, can i use avisynth to deinterlace ??

thank you
bb
13th March 2003, 07:37
Yes, CCE can encode both progressive and interlaced, of course. See the settings dialogs and the manual.

Yes, not only can AviSynth be used for deinterlacing: it's recommended, too. There are many deinterlacers of different quality available. For the first steps use Donald Graft's Decomb package (the FieldDeinterlace() command for truely interlaced DV video).

Furthermore I recommend to read up some guides here at www.doom9.org ;) to launch your first projects.

bb