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Thursday, December 13, 2012

Patch settings that I use on my GH13

After my last post on how I could sharpen my videos from GH13 I grew greedy and wanted more mega bits :) So I searched around for better patch settings and came up with the following. Until now I was using "LPowell - 100Mbps Max Latitude Native 24-25p Standard Patch v2". (By the way, great work Vitality - thanks a bunch!) Now, with my own settings I seem to get quite good videos - AVCHD videos have a maximum overall bit rate of about 120 Mbps and about 40 Mbps on an average; audio is at 192 Kbps which can be increased further. The MPEG videos are roughly around 70 Mbps and the audio is at 512 Kbps!
Here are my settings - do give it a try and let me know what you think. Especially if you have StreamParser* installed do let me know if the video is cleaner, sharper, better etc:

[Information]
Comment=Based on GOP3, LPowell, PappaArts and Blackout
SD_Card=Any
Camera=GH1 v1.32
[Settings]
Version increment=10
Prevent version compare=Checked
New body=Checked
Third-party battery=Checked
All Interface Languages=Checked
30min limit removal=Checked
Maximum ISO limit removal=Checked
PAL<->NTSC Menu=Checked
480p30 width=960
480p30 height=720
720p30 420->422 color sampling=Checked
E1 Quality=384
E1 Table=6
E2 Quality=330
E2 Table=12
E3 Quality=300
E3 Table=24
E4 Quality=276
E4 Table=48
F1 Quality=150
F1 Table=86
F2 Quality=130
F2 Table=56
F3 Quality=115
F3 Table=26
F4 Quality=100
F4 Table=4
Native 24p/25p=Checked
720p59,94fps->29,97fps=Checked
720p50,00fps->25,00fps=Checked
Video Bitrate FHD/SH=120000000
Video Bitrate H=50000000
Video Bitrate L=42000000
Overall Bitrate=120000000
720p50 GOP Size=5
720p60 GOP Size=5
1080p25 GOP Size=3
1080p24 GOP Size=3
Preset bitrate=530
Preset bitrate 2=1060
Overall Bitrate 2=120000000
Constant for 1080p=9720000
Constant for 720p=864000
Constant 6000=4500
Framerate related comparison=24
Video buffer=50.000.000
Audio buffer=8.500.000
For more info on the hack visit: http://www.gh1-hack.info/ or http://www.personal-view.com/
For more info on StreamParser visit: http://www.personal-view.com/faqs/streamparser

* To quote Vitality from one of his blog posts: StreamParser by Chris Brandin as help tool to analyse AVCHD streams - http://www.gh1-hack.info/StreamParser.zip
Other good idea is also use trial version of Elecard StremEye - http://www.elecard.com/en/download/products.html







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