"Official" Yamaha RX-V667/RX-V767 Thread - Page 138 - AVS Forum | Home Theater Discussions And Reviews
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post #4111 of 4125 Old 08-31-2016, 06:01 AM
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Quote:
Originally Posted by Sipu View Post
Thank you for doing this. If this works it's going to be cooler than the iceberg and useful to a lot of people with display mode issues.
Wikipedia seems to have a spec for that <can't seem to be able to paste urls until 5 posts>

Need to go to work, but I can try to find a good editor for the edid information in the evening and see what happens (unless you already did). I guess your tool just needs provide a facility to correctly replace that data and create a new firmware file. Are you using the FW 2.12 as a baseline?

Let me know which modes you want to add from the list here: https://en.wikipedia.org/wiki/Extend...ification_Data
(e.g. mode 32 is: 1080p24 16:9 1:1 1920x1080p @ 23.98/24 Hz)

The EDID format is not too bad, so I can manually edit it and use http://www.edidreader.com/ to check the changes. Or if you have a better EDID editor let me know.

I will modify my FWmod program to read a 256-byte EDID block (main block plus one extension block) from a file, and use that to overwrite the one in the FW. To keep things simple we need to use the same size block as the current FW (256 bytes), but there is room for extra video modes as they only use one byte each.

I can use any FW as the base, but I have 2.12 so I will start with that. There's no guarantee that the EDID block in the FW is the one that the source device will ultimately see, but I'm assuming it is.

BTW how did you update your FW to 2.12? Did you burn the .wav file to CD or just play the file directly from your PC to the receiver?
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post #4112 of 4125 Old 08-31-2016, 06:06 AM
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^ Also there are two EDID blocks in the FW, the only difference being one has an extra audio format (AAC). I think AAC is supported over HDMI in some regions and not in others, so I have to make sure I modify the correct block.

Does your EDID sniffer report supported audio formats, and does it include AAC or not?
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post #4113 of 4125 Old 08-31-2016, 09:31 AM
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Quote:
Originally Posted by kriktsemaj99 View Post
Let me know which modes you want to add from the list here:<url>
(e.g. mode 32 is: 1080p24 16:9 1:1 1920x1080p @ 23.98/24 Hz) The EDID format is not too bad, so I can manually edit it and use <url> to check the changes. Or if you have a better EDID editor let me know. BTW how did you update your FW to 2.12? Did you burn the .wav file to CD or just play the file directly from your PC to the receiver?
I believe that mode 32 you described should be all I need to try if the Nvidia shield tv starts to play ball. Afaik all my playback devices internally upscale to 1080p so probably the other 24hz modes are not necessary.

I'm still checking for a good reliable editor. It may be that the edidreader website is enough (their sources are in github).
I guess there are some checksums in EDID, please validate the modified EDID before making a firmware out of it. (I know you know your stuff, I don't mean to imply otherwise )

For the update I used a PS3, optical cable for audio and a played the wav file off a USB stick. Some configs for PS3 were needed, which I found some instructions from another forum:

Music settings:
-- output frequency 44.1KHz
-- bitmapping off
-- dynamic normaliser off

Sound settings:
-- use optical digital
-- taking all the dolby/dts etc *off* and only leaving the 2x linear PCM defaults

I've updated from 1.17 to 2.11 and then i found 2.12 so i flashed that too.

Quote:
Originally Posted by kriktsemaj99 View Post
^ Also there are two EDID blocks in the FW, the only difference being one has an extra audio format (AAC). I think AAC is supported over HDMI in some regions and not in others, so I have to make sure I modify the correct block. Does your EDID sniffer report supported audio formats, and does it include AAC or not?
I can of course check (that will take some time as my system is occupied atm), but then again I guess you could just add that video mode to both blocks if you're not sure which one to use?

Last edited by Sipu; 08-31-2016 at 09:34 AM.
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post #4114 of 4125 Old 08-31-2016, 09:49 AM
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There's a tool called MonInfo by Entech Taiwan (Monitor Asset Manager), which i use to sniff the EDID. It can also load up a binary file for inspection. (And it does also report audio support)
http://www.entechtaiwan.com/util/moninfo.shtm

Last edited by Sipu; 08-31-2016 at 09:53 AM.
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post #4115 of 4125 Old 08-31-2016, 10:06 AM
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I attached the sniff I got out of my V-AUX hdmi port, moninfo.txt
The raw edid hex binary is in the zip.
Here's a copy of the firmware image i used for the 2.12 flash https://drive.google.com/open?id=0B6...3duTGVjUlpuUmM
Attached Files
File Type: txt moninfo.txt (7.6 KB, 10 views)
File Type: zip dspinfo.zip (352 Bytes, 8 views)

Last edited by Sipu; 08-31-2016 at 11:57 AM.
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post #4116 of 4125 Old 08-31-2016, 12:17 PM
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For a first test I'll just replace the last video mode with mode 32 (since I doubt you need 2880x576 @ 50Hz!).

I'll make sure the checksums are correct, and should have something tonight.

If you send me your email address via Private Message that should be the best way to send you the file (should be about 10MB Zipped).
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post #4117 of 4125 Old 08-31-2016, 02:44 PM
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Sipu, I have a modified 2.12 FW ready. Apart from changing the last video mode to 32 (1080p 24) in the EDID, I changed the startup message and the wallpaper just so we can be sure the correct version is loaded.

Check your Private Messages, I just sent you a PM with the download link.

Last edited by kriktsemaj99; 08-31-2016 at 07:00 PM.
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post #4118 of 4125 Old 08-31-2016, 10:09 PM
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Quote:
Originally Posted by kriktsemaj99 View Post
Sipu, I have a modified 2.12 FW ready. Apart from changing the last video mode to 32 (1080p 24) in the EDID, I changed the startup message and the wallpaper just so we can be sure the correct version is loaded. Check your Private Messages, I just sent you a PM with the download link.
Awesome! I'll give it a shot.
Looks like i can't reply with a PM until 15 posts... silly
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post #4119 of 4125 Old 08-31-2016, 10:43 PM
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Quote:
Originally Posted by kriktsemaj99 View Post
Sipu, I have a modified 2.12 FW ready. Apart from changing the last video mode to 32 (1080p 24) in the EDID, I changed the startup message and the wallpaper just so we can be sure the correct version is loaded. Check your Private Messages, I just sent you a PM with the download link.
Guess what... IT WORKS! *backflip*
NVidia Shield TV now shows 23.976hz and the SPMC media player auto-switches frequency. Saves me a trip of returning the shield or buying a new AVR.
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post #4120 of 4125 Old 09-01-2016, 06:08 AM
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That's great, thanks for testing it. I'll release a new version of the FWmod utility in the next couple of days so you can add any additional modes yourself, and/or change the message strings and wallpaper in case you don't like the ones I gave you .
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post #4121 of 4125 Old 09-01-2016, 10:00 AM
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Thanks again, I've been struggling with this refresh rate thing for a week trying to find workarounds. Nice to put this to rest and enjoy some movies
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post #4122 of 4125 Old 09-01-2016, 07:21 PM
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FWmod version 1.1

For anyone interested in what we've been discussing above, the new version of FWmod can be downloaded here.

FWmod lets you make your own mods to the firmware, but if you just want version 2.12 with 1080p24 included in the EDID you can get it here.
However, this firmware also includes a different wallpaper picture (Starship Enterprise instead of the Yamaha piano), so if you want something else as the wallpaper you can use FWmod to make your own.
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post #4123 of 4125 Old 09-06-2016, 02:22 AM
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Thanks kriktsemaj99 for your continued help with people's dilemmas..much appreciated. Curious as if there's any added benefits, other than the ability to change wallpaper, with this FW update. My unit has v2.09..atm. I ask as you already know, Yamaha has never seemed to show anything other than the factory's v2.05. I've gotten a reply from them (Yamaha), while back ago saying there's no need to update from what I have. Just checking with others as I'm always on the lookout for the latest and greatest...so to speak.

Last edited by flyingdog; 09-07-2016 at 02:40 AM.
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post #4124 of 4125 Old 09-15-2016, 02:36 PM
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Quote:
Originally Posted by flyingdog View Post
Thanks kriktsemaj99 for your continued help with people's dilemmas..much appreciated. Curious as if there's any added benefits, other than the ability to change wallpaper, with this FW update. My unit has v2.09..atm. I ask as you already know, Yamaha has never seemed to show anything other than the factory's v2.05. I've gotten a reply from them (Yamaha), while back ago saying there's no need to update from what I have. Just checking with others as I'm always on the lookout for the latest and greatest...so to speak.
I don't have this model myself so I haven't followed the various updates and what they do. If there's nothing specific you want in 2.12 (or the customized version) I would say just stay with what you have.
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post #4125 of 4125 Old 09-17-2016, 01:03 AM
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Ah..thanks for the reply..nope, don't need any customizing setups..was just curious if this update didn't anything special in regards to the actual operation of the machine. Very satisfied as is. Thanks again.......
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