Dolby Atmos coming soon for home use

[BozQ]

I'm quite curious where they placed the two subs in the demo room. By the sides? Left and right or front and back?

[ZoetMB]

Even in theaters and even with theatrical Atmos' addition of surround woofers to better match timbre, there are timbre differences. I noticed this each time I've been at the Dolby Screening Room in NYC for an Atmos demonstration. And since most of what goes into the surrounds is going to be ambience and effects, I wouldn't worry too much about timbre matching.

Even though I haven't heard home Atmos as yet, I would think that if you have front speakers that you really like, you don't need to worry too much about timbre matching the overheads, whether they're overheads that sit on top of the fronts and surrounds or actual ceiling speakers.

Even in my current system, my Def Tech SM65 surrounds don't really match my fronts or center, but judging by the audio that's sent to the surrounds, I really don't think it matters all that much. It would matter much more if mixers sent primary dialog or primary score to the surrounds, but that's very rare.

Thanks for re-posting that very detailed review of the demo. That was very enlightening. But I'd still advise waiting until 2015 to see the receivers or pre-pros that are going to go beyond 7.1.4.

[FilmFreakosaurus]

Originally Posted by ZoetMB

Even in theaters and even with theatrical Atmos' addition of surround woofers to better match timbre, there are timbre differences. I noticed this each time I've been at the Dolby Screening Room in NYC for an Atmos demonstration. And since most of what goes into the surrounds is going to be ambience and effects, I wouldn't worry too much about timbre matching.

Even though I haven't heard home Atmos as yet, I would think that if you have front speakers that you really like, you don't need to worry too much about timbre matching the overheads, whether they're overheads that sit on top of the fronts and surrounds or actual ceiling speakers.

Even in my current system, my Def Tech SM65 surrounds don't really match my fronts or center, but judging by the audio that's sent to the surrounds, I really don't think it matters all that much. It would matter much more if mixers sent primary dialog or primary score to the surrounds, but that's very rare.

Thanks for re-posting that very detailed review of the demo. That was very enlightening. But I'd still advise waiting until 2015 to see the receivers or pre-pros that are going to go beyond 7.1.4.

I have a totally different opinion on timbre matching. Dialog panning has and will become far more aggressive than before. Gravity and many other modern films place dialog tracks in every section of the room.

Viewing video clips of talks with sound engineers describing what they're doing with their Atmos mixes and from my own experiences... timbre matching is far more critical than ever before.

[kenoh]

Originally Posted by ZoetMB

Even in theaters and even with theatrical Atmos' addition of surround woofers to better match timbre, there are timbre differences. I noticed this each time I've been at the Dolby Screening Room in NYC for an Atmos demonstration. And since most of what goes into the surrounds is going to be ambience and effects, I wouldn't worry too much about timbre matching.

Even though I haven't heard home Atmos as yet, I would think that if you have front speakers that you really like, you don't need to worry too much about timbre matching the overheads, whether they're overheads that sit on top of the fronts and surrounds or actual ceiling speakers.

Even in my current system, my Def Tech SM65 surrounds don't really match my fronts or center, but judging by the audio that's sent to the surrounds, I really don't think it matters all that much. It would matter much more if mixers sent primary dialog or primary score to the surrounds, but that's very rare.

Thanks for re-posting that very detailed review of the demo. That was very enlightening. But I'd still advise waiting until 2015 to see the receivers or pre-pros that are going to go beyond 7.1.4.

Why does Timbre matching matter when it's the speaker design that matters the most!

If where talking about comparing speaker cabinets, then wouldn't size, shape, design "waveguide VS Bipolar VS direct" matter most when matching your speaker system?

Timbre would be the last thing on my mind!

[Penton-Man]

Originally Posted by FilmFreakosaurus

Correct. Movielabs.

Then, given that qualifier, you are correct, as a matter of fact, with regards to colorimetry, this was revealed indirectly last autumn…. https://forum.blu-ray.com/showthread...ng#post8249641

[Penton-Man]

Originally Posted by Blu-Dog

The VA came up more than once - my late father-in-law lost a leg during the Battle of the Bulge. He had opinion, yes he did. But he swore it used to be better...

The ‘system’ has never been very good ….plus, it’s been slowly deteriorating into much worse because it has become overwhelmed with vets. Politicians are skilled at sending men (and women) to war but when the soldiers return….at the end of the day, all they get pretty much is lip service for things like health services.

Good to see some private folks care…. http://www.nbcnews.com/nightly-news/...-viral-n157981

[Penton-Man]

Originally Posted by Blu-Dog

As long as the quiz doesn't have acronyms in it...I'm ready.

ASAP for WCG, HFR, HDR/EDR, ASS, or else UHD will stagnate with N/C despite HEVC

[Blu-Dog]

Originally Posted by Penton-Man

ASAP for WCG, HFR, HDR/EDR, ASS, or else UHD will stagnate with N/C despite HEVC

If that was on the menu at a fast-food joint, I'd stand there staring until people wondered why the skeleton never moves.

[ZoetMB]

Originally Posted by kenoh

Why does Timbre matching matter when it's the speaker design that matters the most!

If where talking about comparing speaker cabinets, then wouldn't size, shape, design "waveguide VS Bipolar VS direct" matter most when matching your speaker system?

Timbre would be the last thing on my mind!

Sure...but speaker size and everything else you mention control the timbre. The reason why timbre is important in the theatre is because the surround speakers are physically smaller than the screen speakers and therefore can't generate as much bass. So for Atmos, Dolby recommended the use of surround woofers, although I was in an Atmos theatre last night and I don't think they had the surround woofers.

And the point of matched timbre is so when sounds move off the screen to the surrounds or ceiling speakers, the sound doesn't suddenly get "thinner" or otherwise different. It's also much more likely in an Atmos mix to have sounds moving from the screen to the surrounds or heights: flyovers, moving rain, etc.

[Penton-Man]

Originally Posted by Blu-Dog

If that was on the menu at a fast-food joint, I'd stand there staring until people wondered why the skeleton never moves.

I wouldn't wonder as you're a bright fellow and zee brain is obviously o.k. I'd guess more towards FOP.

Fibrodysplasia ossificans progressiva

[kenoh]

Originally Posted by ZoetMB

Sure...but speaker size and everything else you mention control the timbre. The reason why timbre is important in the theatre is because the surround speakers are physically smaller than the screen speakers and therefore can't generate as much bass. So for Atmos, Dolby recommended the use of surround woofers, although I was in an Atmos theatre last night and I don't think they had the surround woofers.

And the point of matched timbre is so when sounds move off the screen to the surrounds or ceiling speakers, the sound doesn't suddenly get "thinner" or otherwise different. It's also much more likely in an Atmos mix to have sounds moving from the screen to the surrounds or heights: flyovers, moving rain, etc.

Surround sound subwoofers?

Doesn't a subwoofer control all sub frequency sounds regardless of which speaker it comes from? It's not like it's going to fix mid bass/high frequency's? That's the most important!

I think as long as you have matching speakers "say all your speakers have 6.5" drivers with the same tweeters" you should be fine? Other then that you'll need new speakers...

[FilmFreakosaurus]

Originally Posted by kenoh

Surround sound subwoofers?

Doesn't a subwoofer control all sub frequency sounds regardless of which speaker it comes from? It's not like it's going to fix mid bass/high frequency's? That's the most important!

I think as long as you have matching speakers "say all your speakers have 6.5" drivers with the same tweeters" you should be fine? Other then that you'll need new speakers...

Timbre matching basically means that the speakers are voice matched. Same tweeters, same drivers, same basic cross overs.

When sounds or dialog pan around the room, there is little to no tonal shift. That's what you want.

[BozQ]

Originally Posted by ZoetMB

Thanks for re-posting that very detailed review of the demo. That was very enlightening. But I'd still advise waiting until 2015 to see the receivers or pre-pros that are going to go beyond 7.1.4.

It's encouraging to see Dolby's own demo utilizing more than one sub. That only means the original Atmos mix with the surround sub data is not lost!

[FilmFreakosaurus]

Originally Posted by BozQ

It's encouraging to see Dolby's own demo utilizing more than one sub. That only means the original Atmos mix with the surround sub data is not lost!

There is no surround sub "data" per se. The surround subwoofer signals are derived from digital bass management filters that roll off certain low frequencies from the full frequency audio channel beds and objects and route them to sub pre-outs. The cross-over frequency is selected during room or auditorium calibration.

The only discrete bass channel is the single Low Frequency Effects (LFE) channel that has always been a part of Dolby and DTS formats.

Whether or not a particular Dolby Atmos enabled processor will have surround channel subwoofer bass management is up to the individual manufacturer.

[kenoh]

Originally Posted by FilmFreakosaurus

Timbre matching basically means that the speakers are voice matched. Same tweeters, same drivers, same basic cross overs.

When sounds or dialog pan around the room, there is little to no tonal shift. That's what you want.

Oh! I thought Timbre as in wood "as in Cabinets"?

Yes, having the same tweeters/drivers is very important but it's not that bad if you use another brand of speakers that sound near identical, size is where things become a major issue in panning...

[FilmFreakosaurus]

Originally Posted by kenoh

Oh! I thought Timbre as in wood "as in Cabinets"?

Yes, having the same tweeters/drivers is very important but it's not that bad if you use another brand of speakers that sound near identical, size is where things become a major issue in panning...

Timbre (tambər):

noun
plural noun: timbres

The character or quality of a musical sound or voice as distinct from its pitch and intensity.


If you have older speakers and want to add more for Dolby Atmos or other object based format and cannot easily find matching models from that particular line, finding the closest thing to them would be the best thing to do.

However, if you still have access to speakers from the same make and model line... that's what you should use.

The same holds true if you were in the market for a brand new set of speakers (same make, same model line).

The subwoofer(s), of course, does(do) not need to be from the same brand.

[PeterTHX]

Originally Posted by FilmFreakosaurus

There is no surround sub "data" per se. The surround subwoofer signals are derived from digital bass management filters that roll off certain low frequencies from the full frequency audio channel beds and objects and route them to sub pre-outs. The cross-over frequency is selected during room or auditorium calibration.

The only discrete bass channel is the single Low Frequency Effects (LFE) channel that has always been a part of Dolby and DTS formats.

Whether or not a particular Dolby Atmos enabled processor will have surround channel subwoofer bass management is up to the individual manufacturer.

Originally Posted by BozQ

It's encouraging to see Dolby's own demo utilizing more than one sub. That only means the original Atmos mix with the surround sub data is not lost!

Remember *all* the outputs of Atmos are potentially full range.


The entire theater shuddered in Star Trek Into Darkness and Transformers: Age of Extinction where I saw them in Atmos. There sure as hell weren't any LFE-only subs in the ceiling.

[kenoh]

Originally Posted by FilmFreakosaurus

Timbre (tambər):

noun
plural noun: timbres

The character or quality of a musical sound or voice as distinct from its pitch and intensity.


If you have older speakers and want to add more for Dolby Atmos or other object based format and cannot easily find matching models from that particular line, finding the closest thing to them would be the best thing to do.

However, if you still have access to speakers from the same make and model line... that's what you should use.

The same holds true if you were in the market for a brand new set of speakers (same make, same model line).

The subwoofer(s), of course, does(do) not need to be from the same brand.

I thought Timbre was another way of saying wood? Not all countries say it the same! Example...

Lumber (American English)[1] or timber (British English)[2] is a collective term for harvested wood that has been manufactured into boards and planks. This process is part of something called wood production. Lumber is predominantly used for structural purposes but has many other uses as well. Lumber (or Timber) is classified as hardwood or softwood.

Timber> Timbre? Woops!

BTW, All my speakers will have matching 6.5" Drivers and Tweeters "with the exception of built-in woofers" but of course I have a kick ass subwoofer for that!

I was going to get Atmos Specific speakers but now I will instead get matching ceiling speakers and will only get Atmos speakers for the bedroom, for convenience...

[FilmFreakosaurus]

Originally Posted by kenoh

I thought Timbre was another way of saying wood? Not all countries say it the same! Example...

Lumber (American English)[1] or timber (British English)[2] is a collective term for harvested wood that has been manufactured into boards and planks. This process is part of something called wood production. Lumber is predominantly used for structural purposes but has many other uses as well. Lumber (or Timber) is classified as hardwood or softwood.

Timber> Timbre? Woops!

BTW, All my speakers will have matching 6.5" Drivers and Tweeters "with the exception of built-in woofers" but of course I have a kick ass subwoofer for that!

I was going to get Atmos Specific speakers but now I will instead get matching ceiling speakers and will only get Atmos speakers for the bedroom, for convenience...

Timbre (pronounced tamber) is from the world of music and vocal and musical instruments and now brought into the electronic audio world.

Timber means something to do with wood products from trees, correct.

I too will be utilizing matched ceiling speakers as soon as I can.

[BozQ]

Originally Posted by PeterTHX

Remember *all* the outputs of Atmos are potentially full range.


The entire theater shuddered in Star Trek Into Darkness and Transformers: Age of Extinction where I saw them in Atmos. There sure as hell weren't any LFE-only subs in the ceiling.

Not the ceilings. But the Atmos cinema I was at had 3 subs. One behind the screen, obviously. And two on the rear corner left and right.

And yeah, Star Trek Into Darkness and Transformers - Age of Extinction was awesome.

I believe FilmFreakosaurus is correct. It's not discrete LFE channels at the back, I kind of remember Dolby saying it's extending the lower frequency for the surround channels.

I'll dig up the white paper later.

But my point is, at least we have the option. We're not restricted to one subwoofer for the home version.

Although the review didn't really say it, I believe the subwoofer is positioned one front and one rear.