Is it worth buying a B&O TV anymore? A thought for the day.

180 replies
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actually , blu ray movies don't play at 36 mbpsec it's 54 mbpsec

http://www.blu-ray.com/faq/

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Blu-ray FAQ



General

 

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What is Blu-ray?
Why the name Blu-ray?
Who developed Blu-ray?
What Blu-ray formats are planned?
How much data can you fit on a Blu-ray disc?
How much video can you fit on a Blu-ray disc?
How fast can you read/write data on a Blu-ray disc?
What video codecs will Blu-ray support?
What audio codecs will Blu-ray support?
Will Blu-ray discs require a cartridge?
Will Blu-ray require an Internet connection?
Will Blu-ray down-convert analog outputs?
Will Blu-ray support mandatory managed copy?
When will I be able to buy Blu-ray products?
What will Blu-ray products cost?

Blu-ray vs DVD

 

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Will Blu-ray replace DVDs?
Will Blu-ray be backwards compatible with DVD?
Why should I upgrade from DVD to Blu-ray?
What is the difference between Blu-ray and DVD?
Will Blu-ray replace VCRs?
What about Blu-ray for PCs?

Blu-ray vs HD-DVD

 

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Is Blu-ray the same thing as HD-DVD?
What benefits does Blu-ray offer compared to HD-DVD?
What is the difference between Blu-ray and HD-DVD?

Blu-ray movies

 

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Is Lord of the Rings coming to Blu-ray?
Is Star Wars coming to Blu-ray?
Is <insert movie> coming to Blu-ray?




General



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What is Blu-ray?
 

Blu-ray, also known as Blu-ray Disc (BD) is the name of a next-generation optical disc format. The format was developed to enable recording, rewriting and playback of high-definition video (HD), as well as storing large amounts of data. The format offers more than five times the storage capacity of traditional DVDs and can hold up to 25GB on a single-layer disc and 50GB on a dual-layer disc. For more general information about Blu-ray, please see our What is Blu-ray? section.


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Why the name Blu-ray?
 

The name Blu-ray is derived from the underlying technology, which utilizes a blue-violet laser to read and write data. The name is a combination of "Blue" (blue-violet laser) and "Ray" (optical ray). According to the Blu-ray Disc Association the spelling of "Blu-ray" is not a mistake, the character "e" was intentionally left out so the term could be registered as a trademark. 

The correct full name is Blu-ray Disc, not Blu-ray Disk (incorrect spelling)
The correct shortened name is Blu-ray, not Blu-Ray (incorrect capitalization) or Blue-ray (incorrect spelling)
The correct abbreviation is BD, not BR or BRD (wrong abbreviation)


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Who developed Blu-ray?
 

The Blu-ray Disc format was developed by the Blu-ray Disc Association (BDA), a group of leading consumer electronics, personal computer and media manufacturers, with more than 180 member companies from all over the world. The Board of Directors currently consists of: 

Apple Computer, Inc.
Dell Inc.
Hewlett Packard Company
Hitachi, Ltd.
LG Electronics Inc.
Matsushita Electric Industrial Co., Ltd.
Mitsubishi Electric Corporation
Pioneer Corporation
Royal Philips Electronics
Samsung Electronics Co., Ltd.
Sharp Corporation
Sony Corporation
Sun Microsystems, Inc.
TDK Corporation
Thomson Multimedia
Twentieth Century Fox
Walt Disney Pictures
Warner Bros. Entertainment


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What Blu-ray formats are planned?
 

As with conventional CDs and DVDs, Blu-ray plans to provide a wide range of formats including ROM/R/RW. The following formats are part of the Blu-ray Disc specification: 

BD-ROM - read-only format for distribution of HD movies, games, software, etc.
BD-R - recordable format for HD video recording and PC data storage.
BD-RE - rewritable format for HD video recording and PC data storage.

There's also plans for a BD/DVD hybrid format, which combines Blu-ray and DVD on the same disc so that it can be played in both Blu-ray players and DVD players.


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How much data can you fit on a Blu-ray disc?
 

A single-layer disc can hold 25GB.
A dual-layer disc can hold 50GB.

To ensure that the Blu-ray Disc format is easily extendable (future-proof) it also includes support for multi-layer discs, which should allow the storage capacity to be increased to 100GB-200GB (25GB per layer) in the future simply by adding more layers to the discs.


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How much video can you fit on a Blu-ray disc?
 

Over 9 hours of high-definition (HD) video on a 50GB disc.
About 23 hours of standard-definition (SD) video on a 50GB disc.


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How fast can you read/write data on a Blu-ray disc?
 

According to the Blu-ray Disc specification, 1x speed is defined as 36Mbps. However, as BD-ROM movies will require a 54Mbps data transfer rate the minimum speed we're expecting to see is 2x (72Mbps). Blu-ray also has the potential for much higher speeds, as a result of the larger numerical aperture (NA) adopted by Blu-ray Disc. The large NA value effectively means that Blu-ray will require less recording power and lower disc rotation speed than DVD and HD-DVD to achieve the same data transfer rate. While the media itself limited the recording speed in the past, the only limiting factor for Blu-ray is the capacity of the hardware. If we assume a maximum disc rotation speed of 10,000 RPM, then 12x at the outer diameter should be possible (about 400Mbps). This is why the Blu-ray Disc Association (BDA) already has plans to raise the speed to 8x (288Mbps) or more in the future."

 

it's hd-dvd that had a data rate of 36 mbsec , another reason it was a flop i guess 

 

TripEnglish:

Brother Jangles, your words have warmed my heart. The BeoVision 7 does truly align  my chakra in a very cosmic way. Much love to my BeoBrothers.

Hey trip, I love your sense of humour!

I want to reply to a recent post about BV7 owners defending their product choice. Personally, when I first bought my BV7-40 I posted the first review thread about the Mark III set and openly criticised it and believe me, I went to town with my criticism. I had the opportunity to return the television to the store or to change it over for a different one so at no point was I ever held to randsom and forced to keep my television. I chose not to return it because as time went on I began to notice that with some footage I watched the picture was outstanding while with other footage it was very poor. The more I watched the more I realised that it was not the television that was weak but the broadcast. Sky are in fact one of the worst offenders which often results in loss of signal quality and picture degredation.

The BV7-40 is capable of showing a true HD picture but there is nobody that offers the broadcast capability to do so hence you can never appreciate its capabilities in full. Bluray is the closest to it but even still there is considerable difference because the DVDs are not big enough to store the data required for the perfect true HD picture performance which is 3000Mbits per second of footage. Consider that Blueray at its best can offer 36Mbits per second and look at how amazing the picture is just with that!

People have talked about 100Hz technology. Consider that 100Hz technology can result in a worse picture which is why B&O probably choose not to implement it into their sets at this time. Half of the pictures that are displayed at 100Hz have to be built from the other pictures using some form of algorithm and no matter how good that algorithm is it will sometimes make mistakes. When it does it can look terribly jarring i.e it will strike you as, "Whoa! That didnt look right!" Consider that professional studios use computers and machinery costing in excess of £100,000 to do their algorithms and they still get it wrong. You can then appreciate just what you get with the BeoSystem 3 which is the best in its class for the consumer.

Sky HD transmits about 10Mbits per second in MPEG2 which is nowehere near a high quality broadcast so the BV7-40 being a top of the range television is going to faithfully reproduce what it is given, hence in this case, it produces an old and outdated picture and displays it perfectly along with all its falws. Note that Bluray offers different compression standards from MPEG2 to AVC (also known as VC1) which is the best. This is approximately 30% better than MPEG 2 which again, is a considerable difference. Remember, this is still only at 36Mbits per second - the best Bluray can offer - which is nowhere near 3000Mbits per second that true HD offers. Blueray is not designed to run any higher than 36Mbits pers second (8 bits per byte) and 1080p which is what the BV7-40 can display is capable of 3000Mbits per second so you can work out how much of the information is lost to fit onto even the highest quality blueray disk!

Lets look at it more broadly. If you look at the chain from the intial camera recording through to your television screen, the weakest link by far with a top of the range set like the BV7-40 is the broadcaster, not not the television. The BV7-40 faithfully reproduces every shortcoming of the low quality broadcast. Sky have got as many as 10 satellites up their now and each one may have 8 transponders for example. Each of these could do either 4 high quality channels, 6 medium quality channels or 8 low quality channels. So, to increase the number of channels, they either have to put up more satelites or lower the quality of the exisiting channels they are broadcssting and its obviously a lot cheaper to lower the quality than the costs involved of putting up more satellites.

The BV7-40 is in fact a superior television that is ahead of its time in many ways. Its performance is limited by a number of external factors to include broadcasting, compression, storage and bandwidth technologies and associated costs.

Simon.

 

actually , you're wrong there , me old mucker

blu ray movie playback has a data rate of 54 mbpsec , it's hd-dvd that was stuck at 36

 

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How fast can you read/write data on a Blu-ray disc?
 

According to the Blu-ray Disc specification, 1x speed is defined as 36Mbps. However, as BD-ROM movies will require a 54Mbps data transfer rate the minimum speed we're expecting to see is 2x (72Mbps). Blu-ray also has the potential for much higher speeds, as a result of the larger numerical aperture (NA) adopted by Blu-ray Disc. The large NA value effectively means that Blu-ray will require less recording power and lower disc rotation speed than DVD and HD-DVD to achieve the same data transfer rate. While the media itself limited the recording speed in the past, the only limiting factor for Blu-ray is the capacity of the hardware. If we assume a maximum disc rotation speed of 10,000 RPM, then 12x at the outer diameter should be possible (about 400Mbps). This is why the Blu-ray Disc Association (BDA) already has plans to raise the speed to 8x (288Mbps) or more in the future.

 

  

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The DVD tray is amazing and it took over a year to perfect I mean it can take up to 25kg in weight. 

Admittedly not a very useful attribute!  I always remember one of my favourite B&O salesmen demonstrating the Beogram 4004 and showing me how well it was made by standing on it! Again, not very useful, but it shows the quality!

I agree with you in the main. However I am less impressed with the design. There are just too few ways to make a black screen look different. The BV5/9 succeeds better in my opinion. 

My B&O Icons:

BeoCenter-9500.png BeoCenter-9500.png
Beoremote-Beo4.png Beoremote-Beo4.png
Beovox.png Beovox.png
Beovision-11.png Beovision-11.png
Beotime.png Beotime.png
Beosound-Stage.png Beosound-Stage.png
Beosound-Moment.png Beosound-Moment.png
Beosound-5.png Beosound-5.png
Beosound-2.png Beosound-2.png
Beoremote-One.png Beoremote-One.png
Beoplay-Portal.png Beoplay-Portal.png
Beoplay-Earset.png Beoplay-Earset.png
Beomaster.png Beomaster.png
Beolit.png Beolit.png
Beogram-400x.png Beogram-400x.png
Beocenter-2.png Beocenter-2.png
The TV’s depth is that only of a DVD. 

This is another thing that bugs me slightly. The depth of a BV7 on the floor stand is actually only 7cms less than an Avant DVD. So it is not that flat! (54cms vs. 61cms)
 

My B&O Icons:

BeoCenter-9500.png BeoCenter-9500.png
Beoremote-Beo4.png Beoremote-Beo4.png
Beovox.png Beovox.png
Beovision-11.png Beovision-11.png
Beotime.png Beotime.png
Beosound-Stage.png Beosound-Stage.png
Beosound-Moment.png Beosound-Moment.png
Beosound-5.png Beosound-5.png
Beosound-2.png Beosound-2.png
Beoremote-One.png Beoremote-One.png
Beoplay-Portal.png Beoplay-Portal.png
Beoplay-Earset.png Beoplay-Earset.png
Beomaster.png Beomaster.png
Beolit.png Beolit.png
Beogram-400x.png Beogram-400x.png
Beocenter-2.png Beocenter-2.png

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Not entirely fair Peter,

 Consider the depth of any other manufacturer's motorized floor stand for their LCD TV's, and I think you'll find them to be similar in size.

😁

 

B&O have chosen to allow the spce needed to turn and tilt the TV to dictate the size of the stands and bracket.  The width of the screen, then, dicttes how far from the wall the set must be.  If you look at some of the STBracket products for the 7, you'll notice how flat they can be.  Keep that image in mind while considering the space needed to place a 40" Sony LCD, DVD player and 7.2 receiver on your wall, or table-top.

 

Russ

My B&O Icons:

BeoCenter-9500.png BeoCenter-9500.png
Beoremote-Beo4.png Beoremote-Beo4.png
Beovox.png Beovox.png
Beovision-11.png Beovision-11.png
Beotime.png Beotime.png
Beosound-Stage.png Beosound-Stage.png
Beosound-Moment.png Beosound-Moment.png
Beosound-5.png Beosound-5.png
Beosound-2.png Beosound-2.png
Beoremote-One.png Beoremote-One.png
Beoplay-Portal.png Beoplay-Portal.png
Beoplay-Earset.png Beoplay-Earset.png
Beomaster.png Beomaster.png
Beolit.png Beolit.png
Beogram-400x.png Beogram-400x.png
Beocenter-2.png Beocenter-2.png

Richard Ridyard:
This is true but compared to some of the other LCD T.V's on the market it is slim not forgetting how much technology is in it.

 so much hi-tech but freeview , which is standard issue on every tv set around , is an optional extra ?

it's little obvious things like that , not dvd trays that can lift an elephant that really matter to the average joe methinx

i can imagine the scenario when a prospective buyer pops into a bno shop and is about to buy a bv7 then finds out that  he has to add a box on the back , losing an expansion port and creating a bloomin mess into the bargain

I can understand why an individual would buy the BV7- its more compact dimensions suit most situations and it dles look rather nice- with a motorised stand. The materials used give the impression of quality and if one wants to pay £7K for that fair enough.

However, to call this LCD with a pretty poor samsung panel -'high tech' is way short of the mark. And now we even have posts indicating is the broadcasters, the transmission , the compresion- anything other than the problem it really is- the product itself and the price charged fo- especially with that samsung panel.

 

one poster referred to the fact that when guests come and the tv is not swtiched on , said individuals are very impressed with he wasy it looks- if thats what rocks your boat fair enough! Still all is well now with the latest software update bringing the sharpness funtion onto the user menu- so one can dumb down the panel for SD! and some user maintaining that reducing this setting by 2 ticks has bought about a miraculous change to the quality of SD and its no longer an issue.

I think it comes to the fact that when one has made te purchase ultimately one will do anything to defend it- each to his own but it wouldbe nice if the comments were factual-this is the same with cars of course

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