Bluray disc - PAL or NTSC

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rumpty

66 posts

Master Geek

#76208 30-Jan-2011 15:10

Are there separate PAL and NTSC commercial bluray discs? I´m confused.

Had my BD60 player hooked up to my old analogue TV, composite video connection, playing a PAL SD DVD, no problems.
Just for fun, put a BD disc, hired from the local video store, and it played back in what seemed to be NTSC mode. Picture rolling vertically, and no colour.

I have the BD60 options set to play NTSC discs in NTSC, not the other option of PAL/60.

So, was it an NTSC disc, or what???

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553 posts

Ultimate Geek

#432882 30-Jan-2011 17:54

Answer is here

Spyware

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#432918 30-Jan-2011 19:38

Bluray output is typically 1080p24 (23.98 Hz) or 1080i60 (59.97 Hz), there is no 50 Hz timing inherent with bluray. Only 50 Hz HD is broadcast TV.

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Nety

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#433085 31-Jan-2011 10:46

I am guessing that the blu ray player is outputting the signal at 24p and your TV cannot handle it. Look in the options so see if you can set it to not output 24Hz. From the online manual page 34 seems to contain the relevant info.

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rumpty

66 posts

Master Geek

#433731 1-Feb-2011 15:44

illicit: Answer is here

I had tried some research using Google, but there seemed to just as much confusion out there.

Somehow i doubt if the BD60 would be sending out a 24p frame rate without specifically being asked to, but I will check again when there is another blu-ray disc in the house. It looked like it was 60hz.

The manual says "signal from PAL discs is output as PAL. Signal from NTSC discs is output as NTSC or PAL/60"

Thanks for your thoughts.

Jaxson

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#433771 1-Feb-2011 16:32

bluray players also play DVD's.
To some it can be confusing when you're reading specs and don't realise they refer to older DVD discs only and this info does not apply to bluray discs which are 24Hz natively.

Kiwipixter

246 posts

Master Geek

#433800 1-Feb-2011 17:14

rumpty:
illicit: Answer is here

I had tried some research using Google, but there seemed to just as much confusion out there.

Somehow i doubt if the BD60 would be sending out a 24p frame rate without specifically being asked to, but I will check again when there is another blu-ray disc in the house. It looked like it was 60hz.

The manual says "signal from PAL discs is output as PAL. Signal from NTSC discs is output as NTSC or PAL/60"

Thanks for your thoughts.

The answer is in your original post. You are using an analogue TV, Blu-ray contents is made for HDCP-certified Digital TVs, and all contents is protected by a DRM-like token that prevents or distort the content when outputting via analogue output. Just Google bluray and HDCP.
Cheers

JonnyCam

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Ultimate Geek

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#434243 2-Feb-2011 12:56

The answer is in your original post. You are using an analogue TV, Blu-ray contents is made for HDCP-certified Digital TVs, and all contents is protected by a DRM-like token that prevents or distort the content when outputting via analogue output. Just Google bluray and HDCP.
Cheers

I thought that was only when recordng?. Are you are thinking of Macrovison?

HDCP downscales the output from HD to SD when outputting over analogue (in thw case of using component HD)
I would have thought that if the macrovison protection influenced playback on TV's then all commercial VHS & DVD would have not played either.

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Kiwipixter

246 posts

Master Geek

#434295 2-Feb-2011 14:51

JonnyCam:
The answer is in your original post. You are using an analogue TV, Blu-ray contents is made for HDCP-certified Digital TVs, and all contents is protected by a DRM-like token that prevents or distort the content when outputting via analogue output. Just Google bluray and HDCP.
Cheers

I thought that was only when recordng?. Are you are thinking of Macrovison?

HDCP downscales the output from HD to SD when outputting over analogue (in thw case of using component HD)
I would have thought that if the macrovison protection influenced playback on TV's then all commercial VHS & DVD would have not played either.

No, i was talking about Image Constraint Token, http://en.wikipedia.org/wiki/Image_Constraint_Token. DVD was designed for analogue outputs.

Nety

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#434315 2-Feb-2011 15:37

JonnyCam:

I thought that was only when recordng?. Are you are thinking of Macrovison?

HDCP downscales the output from HD to SD when outputting over analogue (in thw case of using component HD)
I would have thought that if the macrovison protection influenced playback on TV's then all commercial VHS & DVD would have not played either.

My understanding is that it can either down scale or display nothing. Depends on what the manufacture implemented. I am not convinced that this is the issue here though as I would expect it to just be a blank screen or have a message to say that it is a analogue connection and therefore will not play back. The fact that it is showing the picture but it is black and white and scrolling IMHO means it is outputting it OK but is in a resolution or refresh rate that the TV cannot handle.

rumpty

66 posts

Master Geek

#434357 2-Feb-2011 16:41

Nety:
JonnyCam:

I thought that was only when recordng?. Are you are thinking of Macrovison?

HDCP downscales the output from HD to SD when outputting over analogue (in thw case of using component HD)
I would have thought that if the macrovison protection influenced playback on TV's then all commercial VHS & DVD would have not played either.

My understanding is that it can either down scale or display nothing. Depends on what the manufacture implemented. I am not convinced that this is the issue here though as I would expect it to just be a blank screen or have a message to say that it is a analogue connection and therefore will not play back. The fact that it is showing the picture but it is black and white and scrolling IMHO means it is outputting it OK but is in a resolution or refresh rate that the TV cannot handle.

The plot thickens. I guess the expectation was that the bluray player would just send a standard PAL signal from the analogue output when playing a bluray disc, same as it does on an SD DVD.

I will get hold of another commercial bluray disc and do some deeper analysis of the analogue output of the BD60.

JonnyCam

643 posts

Ultimate Geek

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#434686 3-Feb-2011 10:18

No, i was talking about Image Constraint Token, http://en.wikipedia.org/wiki/Image_Constraint_Token. DVD was designed for analogue outputs.

Nothing in there would introduce rolling / black & white pics - the first line on Wiki says it is used to down sample hidef to slightly higher than DVD res when analogue connectors are used.

Rumpty: What disc were you trying to play?

rumpty

66 posts

Master Geek

#434726 3-Feb-2011 11:20

JonnyCam:
No, i was talking about Image Constraint Token, http://en.wikipedia.org/wiki/Image_Constraint_Token. DVD was designed for analogue outputs.

Nothing in there would introduce rolling / black & white pics - the first line on Wiki says it is used to down sample hidef to slightly higher than DVD res when analogue connectors are used.

Rumpty: What disc were you trying to play?

Avatar. I'm the only person in town that hadn't seen it.

Jaxson

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#434762 3-Feb-2011 12:18

rumpty: Avatar.

There were heaps of problems with players not having latest firmware with that disc.
Have you updated your players firmware?

rumpty

66 posts

Master Geek

#434795 3-Feb-2011 13:07

I do have the latest firmware in the BD60. Avatar played fine into my projector, which is what I use for serious viewing of movies.

The analogue TV thing is just an oddity that happened to come up because I tried Avatar on it - just curious to see what happened really. That's when the TV seemed to be getting an NTSC signal, hence my original question about PAL or NTSC bluray discs.

dafman

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#434814 3-Feb-2011 13:41

illicit: Answer is here

Memo to illicit:

Type into google: sarcastic knob.

Now, that wasn't too difficult either, was it?

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