Compression ratio in video studio 9

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missnz

Compression ratio in video studio 9

Post by missnz »

Can anyone tell me how to find out how compressed. Our file is in studio nine. In version 8. It gave a percentage E. G. 48%. Hope someone can help me. I am running version 7 but looking at the demonstration version of version 9, and thinking of upgrading

Michelle
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Post by Ken Berry »

I am sorry but your question is not very clear. The only percentage (%) figure given relating to compression that I am aware of is found in both Project Properties or Make Movie Manager. The first can be found in VS 9 under File > Preferences, and the second under File > Tools in the top left hand corner of the screen. On both, you have to click 'Edit' and then a small screen with three tabs comes up. The third is labelled 'Compression', but the only % figure is at the top, with a slider which you can adjust between quality (of the final video) and speed (of processing). The idea is that the higher the quality, the slower the speed, so if you set the figure to 100% that is top quality, but the speed of processing will be much slower. The default is set at 70% and is supposed to represent an acceptable formula of good quality and good speed. I just leave it at that in all my projects. However, some people prefer to play around with it. But if this is what you are talking about, then having a figure of 48% in that particular window would represent a rather low quality output, although the processing speed would be high.

One of the only other references to compression that I can think of is if you right click a DV/AVI (or AVI) file and select properties. In the box that comes up, there is a line 'Compression' but it just tells you which encoder you used (e.g. DV Type 1 or 2). The compression line does not appear in Properties of mpeg files.

I don't think any of these has changed in VS 9 from VS 7 or 8, apart from where the buttons are placed on screen.

The only other thing that I can think of in VS 9 which I don't recall in VS 8 (let alone 7) is in the Capture screen, under the options button, where, depending on the capture source, you may get a Compression reference, but again this does not contain any % of compression figure, only the codec used.

Perhaps others may be able to help here.
Ken Berry
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