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Search took 0.00 seconds. Search: Posts Made By: Boulder
Forum: Video Encoding and Conversion 09-18-2005, 05:58 AM
Replies: 101
Views: 7,089
Posted By Boulder
Quant 2 might be the sweet spot for sampling,it's...

Quant 2 might be the sweet spot for sampling,it's generally used in compression tests with MPEG4 as the highest point of quality, q1 is used only for avoiding undersized encodes. Quant 1 generally...
Forum: Video Encoding and Conversion 09-18-2005, 05:41 AM
Replies: 101
Views: 7,089
Posted By Boulder
IMO a low value should give a better distribution...

IMO a low value should give a better distribution between high and low bitrate consumption as very dark scenes would consume very few bits and high-motion, bright ones would get near max bitrates....
Forum: Video Encoding and Conversion 09-18-2005, 04:29 AM
Replies: 101
Views: 7,089
Posted By Boulder
CQ_maxbitrate 7.6 means that you run a CQ encode...

CQ_maxbitrate 7.6 means that you run a CQ encode with quantizer 7.6 but the maximum bitrate is respected. CQ 7.6 would be exactly the same but the maximum bitrate is not respected and the resulting...
Forum: Video Encoding and Conversion 09-18-2005, 04:02 AM
Replies: 101
Views: 7,089
Posted By Boulder
CQ_maxbitrate doesn't scale the maximum bitrate...

CQ_maxbitrate doesn't scale the maximum bitrate down drastically. It only comes into effect when you get a spot where the maximum bitrate would be exceeded - it simply raises the quantizer till the...
Forum: Video Encoding and Conversion 09-15-2005, 04:34 PM
Replies: 101
Views: 7,089
Posted By Boulder
If you do a 16:9->4:3 conversion, there'll be...

If you do a 16:9->4:3 conversion, there'll be less film pixels of course due to the black borders. However, you cannot say that the complexity will be less than in some other movie without encoding a...
Forum: Video Encoding and Conversion 09-15-2005, 03:57 PM
Replies: 101
Views: 7,089
Posted By Boulder
I think this is included in the notion of...

I think this is included in the notion of complexity but I'm not 100% sure.[/quote]
That's correct. My determination of complexity doesn't care about aspect ratio, resolution etc. It only cares...
Forum: Video Encoding and Conversion 09-15-2005, 01:16 PM
Replies: 101
Views: 7,089
Posted By Boulder
In my opinion, the complexity should be measured...

In my opinion, the complexity should be measured with the final settings in mind. That is, the same matrix, same bitrate boundaries, GOPs etc. That way you can ensure that there'll be a fair result...
Forum: Video Encoding and Conversion 09-15-2005, 08:01 AM
Replies: 101
Views: 7,089
Posted By Boulder
That's one option, of course :) Funny it didn't...

That's one option, of course :) Funny it didn't come to my mind even if I played with HC's CQ mode some days ago.
Forum: Video Encoding and Conversion 09-15-2005, 07:13 AM
Replies: 101
Views: 7,089
Posted By Boulder
Yeah, once you dled, installed (and paid for ?)...

Yeah, once you dled, installed (and paid for ?) these tools :D
[/quote]
That's just one time :wink: Both can be used free of charge, MSA just shows a bouncing logo on the video but that doesn't...
Forum: Video Encoding and Conversion 09-15-2005, 06:57 AM
Replies: 101
Views: 7,089
Posted By Boulder
Hum... length in minute of the sample, the fps...

Hum... length in minute of the sample, the fps and the filesize, that's all what Excell needs. Having the length is as easy as opening the encoded movie in a media player 8)
[/quote]
Still it's...
Forum: Video Encoding and Conversion 09-15-2005, 06:29 AM
Replies: 101
Views: 7,089
Posted By Boulder
I use Bitrate Viewer or MPEG Stream Analyzer to...

I use Bitrate Viewer or MPEG Stream Analyzer to get the avg bitrate. The method doesn't matter as long as you use the same way for all files that end up on the same DVD. Automatic calculating in...
Forum: Video Encoding and Conversion 09-15-2005, 06:26 AM
Replies: 101
Views: 7,089
Posted By Boulder
Exactly, and that's why CQ_maxbitrate should be...

Exactly, and that's why CQ_maxbitrate should be used when encoding the samples as well. In fact, the settings should be as close as possible to the actual encoding.
Forum: Video Encoding and Conversion 09-15-2005, 06:13 AM
Replies: 101
Views: 7,089
Posted By Boulder
CQ_maxbitrate does not compensate when it has to...

CQ_maxbitrate does not compensate when it has to suddenly compensate for keeping the maxbitrate.[/quote]
Could you post a link where Hank says that? The pdf docs state that the quantizer is raised...
Forum: Video Encoding and Conversion 09-15-2005, 06:10 AM
Replies: 101
Views: 7,089
Posted By Boulder
I never dig into HC and I use the ini modifued by...

I never dig into HC and I use the ini modifued by luis :
*cq 1.5
*cq_maxbitrate 7.6
I guess the cq_maxbitrate mode is used ?
[/quote]
No, a CQ mode without max bitrate capping is...
Forum: Video Encoding and Conversion 09-15-2005, 05:56 AM
Replies: 101
Views: 7,089
Posted By Boulder
If CQ_maxbitrate is the mode that is being used,...

If CQ_maxbitrate is the mode that is being used, it's a bug. The encoder should automatically raise the quantizer if the set max bitrate is exceeded. CQ_maxbitrate should be used anyway because the...
Forum: Video Encoding and Conversion 09-15-2005, 05:28 AM
Replies: 101
Views: 7,089
Posted By Boulder
Phil, could you test my spreadsheet with...

Phil,

could you test my spreadsheet with your samples? Encode a 3% sample of each episode with SelectRangeEvery(500,15) and fill in the values. Number of frames means the total number of frames in...
Forum: Video Encoding and Conversion 08-21-2005, 04:01 AM
Replies: 101
Views: 7,089
Posted By Boulder
No problem, after all it's just maths, nothing...

No problem, after all it's just maths, nothing more. I only wish I had thought of the whole thing much earlier, it would have made my early DVD encodes much better looking :wink:

I was without...
Forum: Video Encoding and Conversion 08-20-2005, 05:47 AM
Replies: 101
Views: 7,089
Posted By Boulder
That explains it, thanks. I've ended up...

That explains it, thanks.

I've ended up doing a 2-pass encode with CCE since I got frustrated with CCEFront's erratic behaviour. Until Tylo fixes it, I must stick to a regular VBR encode. In that...
Forum: Video Encoding and Conversion 08-20-2005, 05:06 AM
Replies: 101
Views: 7,089
Posted By Boulder
But do you re-encode even when you do a DVD->DVD...

But do you re-encode even when you do a DVD->DVD backup?

As Luis said, the idea is to get (almost) equal quality for each video file on the disc, and that's why I created the spreadsheet which...
Showing results 1 to 19 of 19

 

 
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