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#265343 - 2017-06-19 13:58 DTS:X Surround Sound Format
Registered: 2003-10-04
Posts: 1,932
spinaltap Offline
Knows where his towel is
spinaltap Offline
Knows where his towel is

Registered: 2003-10-04
Posts: 1,932
Loc: Bournville, UK
My understanding is that DTS:X is able to utilise an existing 5.1 surround system to effectively provide a Dolby Atmos alternative.

Would it be possible for Meridian, if it so chose, to implement a DTS:X firmware update for past/present surround products (since such products already offer vanilla DTS)?


My Mac can go all the way to XI - Mac user since 1988.
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#265344 - 2017-06-19 14:21 Re: DTS:X Surround Sound Format [Re: spinaltap]
Registered: 2004-04-23
Posts: 2,407
Cliff. Offline
Senior Shouting Officer
Cliff. Offline
Senior Shouting Officer

Registered: 2004-04-23
Posts: 2,407
Loc: South Wiltshire, UK
I’m not sure I fully understand your argument here - apologies if I’ve misunderstood. Both Dolby Atmos and DTS:X have algorithms (Dolby Surround and Neural:X, respectively) for upmixing existing 5.1\7.1 soundtracks and making use of the height channels. It’s quite effective and the results are often close to true Atmos\DTS:X. However, those height channels have to be physically present in the system in one form or another, they are not created by a psychoacoustic effect.

Edit: if you are thinking of the algorithm used for headphone listening, I don't know if is even possible to implement this for a floor standing system.


Main system - Sources (Kodi-HTPC, FireTV, Sat) into Trinnov Altitude 32 (8-16) (+Roon), Trinnov Amplitude 8 amp & Vivid Audio (Giya G3, V1.5) and REL Stentor III speakers. Others: F80 + Raspberry Pi and other Pi systems.
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#265347 - 2017-06-19 17:16 Re: DTS:X Surround Sound Format [Re: Cliff.]
Registered: 2001-11-14
Posts: 2,077
Meridialien Offline
Knows where his towel is
Meridialien Offline
Knows where his towel is

Registered: 2001-11-14
Posts: 2,077
Loc: Ireland
Meridian processors are currently maxed out at 7.1 channels . They are not capable of a minimal 7.1.4 Atmos setup . PLIIix and THX Ultra II Cinema only become available when there are 4 surround channels connected.

Both X and Atmos fall back to DTS Master-HD and Dolby True respectively if the system isn't at least 7.1.4 . Meridian doesn't decode either format at present.

~M~


Mostly harmless. Comfortably numb.
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#265357 - 2017-06-19 20:06 Re: DTS:X Surround Sound Format [Re: Meridialien]
Registered: 2004-04-15
Posts: 12,230
VirusKiller Online content
Don't Panic
VirusKiller Online content
Don't Panic

Registered: 2004-04-15
Posts: 12,230
Loc: nr. Milton Keynes, UK
I could be wrong, but I thought that SpinalTap was talking about the physical layout of an existing system. I'm sure I read somewhere that DTS:X was more flexible in this regard.


Roon Developer and ex-moderator of this Forum
I am #25 in the HH1 photo of fame.
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#265358 - 2017-06-19 20:36 Re: DTS:X Surround Sound Format [Re: VirusKiller]
Registered: 2004-04-23
Posts: 2,407
Cliff. Offline
Senior Shouting Officer
Cliff. Offline
Senior Shouting Officer

Registered: 2004-04-23
Posts: 2,407
Loc: South Wiltshire, UK
Yes, you could get object-based processing in a 5.1 system which may give improvements over standard DTS HD. However, I don't see such processing being done in the player and sending bitstream to the processor is not possible within M's current system architecture (at least for now). Edit: I should qualify that as bitstream from a HD audio source.


Main system - Sources (Kodi-HTPC, FireTV, Sat) into Trinnov Altitude 32 (8-16) (+Roon), Trinnov Amplitude 8 amp & Vivid Audio (Giya G3, V1.5) and REL Stentor III speakers. Others: F80 + Raspberry Pi and other Pi systems.
Edited by Cliff.; 2017-06-19 20:50.
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