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Old 24th July 2013, 06:02 AM   #81
brig001 is offline brig001  United Kingdom
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Quote:
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As for grass on the football pitch, could you really see it in standard def? Or did you just imagine that you saw it?
It does a better impression of grass on an SD broadcast than any HD TV I've seen on an SD broadcast
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Old 24th July 2013, 08:58 AM   #82
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Originally Posted by Pano View Post
I didn't follow the tour this year - but asked a video engineer at work who did. He watched it on NBC Sorts here in the U.S. He said no problems overall, and that the aerial shots where "stunning". Only problems he saw we loss of signal from the motorcycle cams in the mountains.

So maybe Eurosport, or someone downstream from there, is re-compressing the signal to make it fit in a tight bandwidth. Seems it looked great here.
I saw no issues on Eurosport HD on my LED TV except the signal loss from the motorbike cameras at times you've mentioned.

I have noticed though that they use less audio (level) compression on HD channels than on the regular channels. Every time I switch from a HD channel to a non-HD one I have to adjust the volume too.
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Old 24th July 2013, 01:40 PM   #83
Pano is online now Pano  United States
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So maybe it is TV based, the artifacts?
Same problem here with analog SD audio vs HD digital. Always louder on the SD. I suspect it's done at the cable head end when modulating into RF. The digital HD channels are at about the same level as my BluRay player audio.

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It does a better impression of grass on an SD broadcast than any HD TV I've seen on an SD broadcast
As strange a sentence as that is, I understand exactly what you mean - and agree.
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Old 24th July 2013, 02:44 PM   #84
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I think they are.

Friends have a huge 720p plasma TV and on regular, non-HD channels it shows horrible pixelation which I think is due to them keeping it in wide-screen mode for non-widescreen broadcasts.
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Old 24th July 2013, 03:05 PM   #85
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I have a flac library on one computer, second 500gb hard drive. Then one my other I have an itunes library for my 120gb classic, and I convert the flac to mp3s with LAME 320kib/s, 48kHz, joint stereo. I cant tell the slightest difference.
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Old 24th July 2013, 04:04 PM   #86
DF96 is offline DF96  England
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Quote:
Originally Posted by Pano
As for grass on the football pitch, could you really see it in standard def? Or did you just imagine that you saw it?
You can see a bandwidth-limited representation of grass on analogue TV, whether the camera is moving or not. Digital TV gives slightly better grass when the camera is stationary, but no grass when the camera is moving. During football the camera is almost always moving.
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Old 24th July 2013, 04:21 PM   #87
Pano is online now Pano  United States
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Thanks, I understand what you mean, and yes, that's the biggest downfall of digital compression. It was talked about a lot leading up the digital conversion, and why sports channels are meant to get a lot of bandwidth. For most image the compression works quite well, but for moving images with high detail - well... something has to go.

Would have to do the math, but I think that broadcast HD video is far more compressed than typical audio MP3s.
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Old 24th July 2013, 04:23 PM   #88
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Originally Posted by Jailbreak View Post
I convert the flac to mp3s with LAME 320kib/s, 48kHz, joint stereo. I cant tell the slightest difference.
Most people can't, and those who can often like the MP3 better.
Are you sure that you convert to 48Khz? Why would you do that, instead of leaving them at 44.1Khz?
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Old 24th July 2013, 08:36 PM   #89
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Quote:
Originally Posted by Pano View Post
Most people can't, and those who can often like the MP3 better.
Are you sure that you convert to 48Khz? Why would you do that, instead of leaving them at 44.1Khz?
Thats what free studio converter says under Lame insane quality mp3. Im rolling with it.
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