Top 10 Things You Need to Know About Speaker Configuration and Placement - Page 3 - AVS Forum | Home Theater Discussions And Reviews
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post #61 of 72 Old 11-30-2016, 05:24 PM
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Very helpful, thanks!
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post #62 of 72 Old 06-21-2017, 01:56 PM
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I admit I am a bit of an audio noob. I have only recently gotten into surround sound, and at that I am only dealing with a Vizio 5.1 sound bar (yeah, I know, but the room, the wiring, the wife factor...gotta do whatcha gotta do). And I have struggled with my rear speakers because they are often barely audible. If I feed PCM, they are louder, fuller, noticeable. But, if I bitstream, I need to crank the surround volume (rear speaker volume) up to max to get a reasonable volume out of them.

As for placement, I had them behind the couch and slightly out to the side, but facing towards the middle of the couch. But just recently, I put them off to the side of the couch by a couple of feet, sitting slightly behind the ear/head position and angled at head position, not pointed at the center of the couch. It has made a big difference. I don't know if it's correct, and I will probably move them again, but they sound good so far.
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post #63 of 72 Old 07-10-2017, 05:07 AM
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Very interesting and educative. Thank you for this.
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post #64 of 72 Old 07-12-2017, 12:35 PM
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post #65 of 72 Old 07-25-2017, 12:46 AM
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Thank you very much
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post #66 of 72 Old 08-07-2017, 09:19 AM
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Upgrading from 5.1

I have a Martin Logan 5.1 speaker configuration. Theater is 24 x 13. Summit's front ESL rear and two Definitive Technology 15s subwoofers placed on the sides. I am considering an upgrade but am confused by 7.1, Dolby Atmos and DTS surround configurations. Welcome the opinion and suggestions of others as to what would be the next best step.
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post #67 of 72 Old 08-07-2017, 09:36 AM
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Quote:
Originally Posted by pnb2506 View Post
I have a Martin Logan 5.1 speaker configuration. Theater is 24 x 13. Summit's front ESL rear and two Definitive Technology 15s subwoofers placed on the sides. I am considering an upgrade but am confused by 7.1, Dolby Atmos and DTS surround configurations. Welcome the opinion and suggestions of others as to what would be the next best step.


I went from 5.1 to 5.1.4 atmos and it was a huge upgrade. If you have the room why not 7.24?


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post #68 of 72 Old 08-08-2017, 06:14 PM
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Originally Posted by Newbie789 View Post
I went from 5.1 to 5.1.4 atmos and it was a huge upgrade. If you have the room why not 7.24?


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Thanks for the reply. Can you please share further details or a link where I could learn more about the speaker placement.
Thanks
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post #69 of 72 Old 08-08-2017, 09:31 PM
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Top 10 Things You Need to Know About Speaker Configuration and Placement

Quote:
Originally Posted by pnb2506 View Post
Thanks for the reply. Can you please share further details or a link where I could learn more about the speaker placement.

Thanks


https://www.dolby.com/us/en/technolo...guidelines.pdf

Around page 19 is where the guide shows you how to place the speakers. If you're wanting to learn, read the whole thing. It's very detailed.



Also, an easy rule of thumb for 45 degree angles is that the two legs are the same length, so if your ceiling is 7ft from your head, then the speaker will need to be 7ft away to achieve a 45 degree angle.

There are great iphone apps of you don't remember geometry and want help on the angles / distance.

I have my 4 channel atmos speakers basically 1ft behind me and about 20 degrees in front of me and it still sounds great.

Make sure to get a speaker with a wide dispersion...I chose the B&W CM683 but that might have been overkill. I ran the ceiling speakers as my mains to test them and I was impressed with no back boxes, but I get lots of sound upstairs.

Last edited by Newbie789; 08-08-2017 at 09:46 PM.
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post #70 of 72 Old 09-23-2018, 10:48 PM
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Thank you

I can tell this was well thought out from multiple perspectives. PERFECT starting point, thanks again for making it short and to the point.

Cheers
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post #71 of 72 Old 09-24-2018, 01:55 PM
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Quote:
Originally Posted by ToonMasterTim View Post
I admit I am a bit of an audio noob. I have only recently gotten into surround sound, and at that I am only dealing with a Vizio 5.1 sound bar (yeah, I know, but the room, the wiring, the wife factor...gotta do whatcha gotta do). And I have struggled with my rear speakers because they are often barely audible. If I feed PCM, they are louder, fuller, noticeable. But, if I bitstream, I need to crank the surround volume (rear speaker volume) up to max to get a reasonable volume out of them.

As for placement, I had them behind the couch and slightly out to the side, but facing towards the middle of the couch. But just recently, I put them off to the side of the couch by a couple of feet, sitting slightly behind the ear/head position and angled at head position, not pointed at the center of the couch. It has made a big difference. I don't know if it's correct, and I will probably move them again, but they sound good so far.
I suspect I know what is going on. When in PCM (Stereo) Mode, the REAR Speakers are "normally" supposed to be SILENT....but if any of the Synthetic Surround Modes are enabled in AVR (ex. Dolby Pro Logic, et. al.), then the AVR will derive the REAR Speaker signals, which you obviously can hear.

When in BITSTREAM Mode (DD5.1, DTS5.1/6.1, DD Plus) the REAR Speakers should normally be SILENT when listening to a DD2.0 (Stereo) Program (common for non-Primetime TV) and REAR Speakers will only be active when listening to a Program actually providing a SURROUND sound field (driving all channels, not just L/R part of DD5.1). If you select AUTO on your AVR, it may be switching between STEREO and DD5.1 Modes....but you MIGHT have to manually select one of the Synthetic Surround Modes to activate the REAR Speakers when listening to Stereo programs.

Last edited by holl_ands; 09-24-2018 at 02:00 PM.
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post #72 of 72 Old 10-18-2018, 02:20 PM
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Very helpful! thanks
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