I'm doing a 3way CC right now and I was wondering what regions could be relatively high or low in level to enhance dialogue clarity? I have quite a bit of wiggle room in the overall FR so i wanted to account for this.
Dialogue and the center channel
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Dialogue and the center channel
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In my experience, you want flat from ~100-800Hz for core vocal range and from 1k-3.5k for the really important inflections, etc. and from 3k-10k+ for the hard stops and "s" sounds.
So, um... flat.
I think additionally (if not more) important here is really working to minimize/eliminate diffraction as much as possible, and keeping driver behavior pistonic even if FR appears flat (soft cones and their "lush" sound work against intelligibility in a very big way). Both of these artifacts are most obvious in that 1-3k range where all the intelligibility is derived.
CdiVine Sound - my DIY speaker designs at diVine Audio- Bottom
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Unfortunately, I think a factor working against intellibility and generally smooth response is where these critters are placed most often, which pretty much guarantees issues with early arrival comb filtering and floor bounce modifications to early arrival response. All of these are VERY detrimental to frequency response smoothness and intelligibility.the AudioWorx
Natalie P
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How high does a speaker(horizontally laid out) have to be from the floor to minimalize or eliminate the effect of floor bounce?
Also, doesn't placing a speaker over top of your tv have the same effect as putting it under your tv?
Just now, you are getting tv bounce.
Would placing a center speaker(horizontally) on a stand in front of the tv 14"-16" off the floor help reduce these issues?
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Originally posted by kingpinHow high does a speaker(horizontally laid out) have to be from the floor to minimalize or eliminate the effect of floor bounce?
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Rudy,
Beautiful line arrays. That cabinet in the corner would not last in my room. My wife often worries about the shaking and rattles in adjacent rooms.
I generally agree with your opinion about centers. I've seen the question generate a near holywar threads before. In general, I think for off axis seats, they do seem to better anchor the dialog to the screen. Kingpin asked the question before, and I seem to remember cjd gave him some additional answers why a center is a good thing.
It would be nice if there were some general rules of thumb about when and where to place a center channel to help minimize floor bounce and comb filtering off the tv.
This is, for example, my center placement:
The center is pulled out so that it sticks out about 2" from the stand, and the tv sits back as far as I can get it on the stand. I went for under the TV because: 1) With a 50" screen, over the TV would be a greater offset between my ears and the speaker than under. 2) It doesn't show up in the photo, but running down the center of my room is the HVAC duct, do the center would have been just as close to this as the floor. 3) I figured that the carpet on the floor would help absorb some of the nasties that the drywall ceiling wouldn't.
I haven't done any listening with & without this TV, so I can't say how bad the TV corrupts the sound. It used to be above the old TV. I can't say I noticed a big, smack you in the face difference since I didn't do controlled testing. My center channel supposedly has a crossover that considers the TV (so I assume baffle step). I know I did listen to my mains once without the TV in place, and it gave the music significantly greater depth and feel. I just wish my room and view habits could accommodate a projection setup. Sigh.- Bottom
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Originally posted by ---k---I just wish my room and view habits could accomodate a projection setup. Sigh.the AudioWorx
Natalie P
M8ta
Modula Neo DCC
Modula MT XE
Modula Xtreme
Isiris
Wavecor Ardent
SMJ
Minerva Monitor
Calliope
Ardent D
In Development...
Isiris Mk II updates- in final test stage!
Obi-Wan
Saint-Saƫns Symphonique/AKA SMJ-40
Modula PWB
Calliope CC Supreme
Natalie P Ultra
Natalie P Supreme
Janus BP1 Sub
Resistance is not futile, it is Volts divided by Amperes...
Just ask Mr. Ohm....- Bottom
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Originally posted by JonMarshBest two sounding scenario's I have had setup are FPTV with speakers well forward of the screen plane and rear wall, or flat panel display on wall with speakers well forward. Optimum height is a real issue...-Chris B
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Look what Tom Nousaine's oppinion is on "center channel speakers". Link is near the bottom of the page... http://nousaine.com/- Bottom
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Originally posted by nelsondogLook what Tom Nousaine's oppinion is on "center channel speakers". Link is near the bottom of the page... http://nousaine.com/
I receive an error when trying that link on Tom's site.
What was the summary of the article?BE ALERT! The world needs more lerts.- Bottom
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What was the summary of the article?- Bottom
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Originally posted by Dennis HPretty strange considering what an SPL-meister Tom is when it comes to subs and how SPL-limited a single 6.5" is at 80 Hz. Doesn't make a lick of sense to me.
I have found that my single 6.5" 2way just does not cut it when comes to reproducing demanding sound tracks like Master and Commander etc.It works great for surround music,concert videos and normal dialog but it is too restricted dynamically on action movies.Therefore Im resorting to the dreaded horizontal MTM arrangement although with the offset tweeter.- Bottom
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