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Search: Posts Made By: elario
Forum: Official AVS Forum Blu-ray Disc Reviews   02-15-2015, 04:58 AM
Replies: 129
Views: 6,098
Posted By elario
You are correct. There are black crush issues....

You are correct. There are black crush issues. Nothing to do with your projector or calibration.
Forum: Networking, Media Servers & Content Streaming   01-25-2015, 06:37 AM
Replies: 20
Views: 1,627
Posted By elario
iTunes 720p uses Main profile, CAVLC, 2 reframes....

iTunes 720p uses Main profile, CAVLC, 2 reframes.

iTunes 1080p uses High with CABAC and 4 reframes (sometimes 5).

CABAC is worth about 10% on average (vs CAVLC), and the other options (more ...
Forum: Networking, Media Servers & Content Streaming   11-17-2014, 03:02 PM
Replies: 209
Views: 10,316
Posted By elario
The iTunes encode is making some attempt to...

The iTunes encode is making some attempt to retain the high frequency detail in this scene.

The Amazon encode is not even trying. It's just badly blocking. There is no high frequency detail...
Forum: Networking, Media Servers & Content Streaming   11-17-2014, 10:22 AM
Replies: 209
Views: 10,316
Posted By elario
I assume this is a typo because iTunes is clearly...

I assume this is a typo because iTunes is clearly superior to Amazon HD in this screenshot. It's not even close.
Forum: Networking, Media Servers & Content Streaming   10-21-2014, 06:38 AM
Replies: 8,087
Views: 434,993
Posted By elario
Transformers AOE I wouldn't call it 'grain heavy'...

Transformers AOE I wouldn't call it 'grain heavy' but there is certainly grain througout the movie. It's also quite a sharp, detailed image.

Godzilla has little or no grain and is rather soft and...
Forum: Networking, Media Servers & Content Streaming   10-18-2014, 05:16 AM
Replies: 11
Views: 576
Posted By elario
XBMC devs highly recommend people to stay away...

XBMC devs highly recommend people to stay away from Fusion or XBMChub or any of this crap.

Do a vanilla install of XBMC/Openelec from the official sites. The status of your internet connection...
Forum: Networking, Media Servers & Content Streaming   09-10-2014, 06:10 AM
Replies: 8,087
Views: 434,993
Posted By elario
The important thing to remember is that x264 has...

The important thing to remember is that x264 has no idea what the size or bitrate of the source is. The source gets decoded on the fly so as far as x264 is concerned, it is dealing with uncompressed...
Forum: Latest Industry News   09-08-2014, 03:12 AM
Replies: 919
Views: 46,529
Posted By elario
One problem is that people look at the upper end...

One problem is that people look at the upper end of Bluray bitrates and they just assume "hey, 40Mbps must be what 1080p H.264 needs, right?" And then they perform some simple calculations - 4x the...
Forum: Networking, Media Servers & Content Streaming   09-06-2014, 12:06 PM
Replies: 8,087
Views: 434,993
Posted By elario
Yes for sure, the random nature of grain makes an...

Yes for sure, the random nature of grain makes an absolutely huge difference to compressibility.

It's one of the reasons why we see such use/abuse of DNR.


The best thing is to look at what...
Forum: Latest Industry News   09-06-2014, 10:34 AM
Replies: 919
Views: 46,529
Posted By elario
Yes and no. Fundamentally HDMI is just a data...

Yes and no. Fundamentally HDMI is just a data protocol. A console like the PS4 has significantly more flexibility to output data in a way that it was not capable of at launch via firmware updates.
...
Forum: Latest Industry News   09-06-2014, 10:18 AM
Replies: 919
Views: 46,529
Posted By elario
Yes, I was not referring to the coding work...

Yes, I was not referring to the coding work itself as trivial. Im referring to the peformance vs the requirements.

For the work of implementing it...hey, all low level coding is difficult. Codec...
Forum: Latest Industry News   09-06-2014, 09:36 AM
Replies: 919
Views: 46,529
Posted By elario
It is most definitely trivial. I am speaking from...

It is most definitely trivial. I am speaking from the perspective of the hardware and performance available. Two or three streams simultaneously no problem.

HEVC decoding is not anywhere near as...
Forum: Latest Industry News   09-06-2014, 08:28 AM
Replies: 919
Views: 46,529
Posted By elario
For a console of PS4 specs, it is trivial. ...

For a console of PS4 specs, it is trivial.

The term hardware decoder gets thrown around a lot. A true hardware decoder is a dedicated piece of silicon in for example a Bluray player.

PS3 did...
Forum: Latest Industry News   09-06-2014, 08:07 AM
Replies: 919
Views: 46,529
Posted By elario
There are three key elements: reading the disc,...

There are three key elements: reading the disc, decoding the content, and outputting the content.

PS4 can certainly decode a 4K HEVC stream. Processing wise that is very easy for a machine of...
Forum: Networking, Media Servers & Content Streaming   09-06-2014, 07:33 AM
Replies: 8,087
Views: 434,993
Posted By elario
You make it sound like something mysterious or...

You make it sound like something mysterious or random is involved. With experience you can have a very good idea of what the encoder is going to do.



Tune grain will naturally result in a...
Forum: HDTV Software Media Discussion   09-05-2014, 12:30 PM
Replies: 123
Views: 6,347
Posted By elario
4K BD has already been 'confirmed' half a dozen...

4K BD has already been 'confirmed' half a dozen times by articles such as this. If you read the actual quotes he is saying that they are working on a spec and hope to finalise it by the middle of...
Forum: Networking, Media Servers & Content Streaming   09-05-2014, 04:45 AM
Replies: 32
Views: 1,116
Posted By elario
Every iteration of lossy re-encoding has a...

Every iteration of lossy re-encoding has a quality loss, however minor.

Also if you don't know what you're doing you may apply an iteration of scaling - many amatuers do this when encoding with...
Forum: Networking, Media Servers & Content Streaming   09-01-2014, 06:48 AM
Replies: 60
Views: 2,280
Posted By elario
Lots of people use their desktop as a media...

Lots of people use their desktop as a media server. It's pretty normal.



XBMC and similar software can automatically send a WOL packet on startup. Or some of the smartphone remote control apps...
Forum: Networking, Media Servers & Content Streaming   08-21-2014, 01:31 PM
Replies: 8,087
Views: 434,993
Posted By elario
Tune PSNR or SSIM tune the encoder to produce an...

Tune PSNR or SSIM tune the encoder to produce an output that looks worse but performs better according to these metrics. It exists so you can fairly compare the encoder with other encoders that are...
Forum: AVS Forum Podcasts   08-17-2014, 03:38 PM
Replies: 5
Views: 1,721
Posted By elario
Their goal is to further compress already...

Their goal is to further compress already compressed content as much as possible without 'noticeably' lowering quality. 'Noticeably' as according to their quality metric. It's a rather idiotic...
Forum: AVS Forum Podcasts   08-16-2014, 01:55 PM
Replies: 5
Views: 1,721
Posted By elario
It's important to note that Beamr have made no...

It's important to note that Beamr have made no improvements to the quality possible at a given bitrate.
Forum: Networking, Media Servers & Content Streaming   08-14-2014, 01:28 PM
Replies: 8
Views: 909
Posted By elario
Codecs will be included as standard.

Codecs will be included as standard.
Forum: Networking, Media Servers & Content Streaming   08-14-2014, 02:41 AM
Replies: 8
Views: 909
Posted By elario
Have you used XBMC on RPi before? I wouldn't call...

Have you used XBMC on RPi before? I wouldn't call it fast.

They can make it look fast in their video by carefully browsing around a very small library but if you actually use it day to day, with...
Forum: Networking, Media Servers & Content Streaming   08-12-2014, 08:09 AM
Replies: 8,087
Views: 434,993
Posted By elario
Well I meant to just cut your own samples. If you...

Well I meant to just cut your own samples. If you are in any way interested in video encoding you should keep a folder full of short samples for testing purposes. Use MVKMerge to (for example) cut a...
Forum: Networking, Media Servers & Content Streaming   08-12-2014, 03:50 AM
Replies: 8,087
Views: 434,993
Posted By elario
I would just encode short samples.

I would just encode short samples.
Showing results 1 to 25 of 233

 
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