LFE channel audio filter on some new release movies??? - Home Theater Forum and Systems - HomeTheaterShack.com

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post #1 of 17 Old 09-18-13, 04:31 PM Thread Starter
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LFE channel audio filter on some new release movies???

Ok, so I have now been reading and can attest to the fact (as I can tell) that it seems that some movies are now coming out with a filter on the LFE channel!

First out of the gate was the Hobbit with a 50Hz filter and now Star Trek into darkness with a 30Hz filter. What is up with that! Is anyone else upset about this like I am?

Home theater:
Onkyo 805, Yamaha YDP2006EQ, Samson Servo 600 amp
3 EV Sentry 500 monitors across the front, 4 Mission 762i's Surrounds, SVS PB13U sub, Panasonic BDT220, Harmony 1100, Nintendo WiiU
Panasonic PT-AE8000 on a 120" 2,35:1 fixed screen

Living room system:
Sherwood/Newcastle R972, Mission 765's, SVS SBS02's, A/D/S MS3u sub, Yamaha YDG2030EQ
Yamaha KX-393 Tape deck, CDC 805 CD changer, Panasonic BD60, Sony turntable PS-T20
Panasonic TC-P50ST60, HD-PVR & WDTV Live, Harmony 900

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post #2 of 17 Old 09-18-13, 04:40 PM
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Quote:
tonyvdb wrote: View Post
Ok, so I have now been reading and can attest to the fact (as I can tell) that it seems that some movies are now coming out with a filter on the LFE channel! First out of the gate was the Hobbit with a 50Hz filter and now Star Trek into darkness with a 30Hz filter. What is up with that! Is anyone else upset about this like I am?
I am! I was really looking forward to the deep low frequencies Star Trek had the potential of putting out. Needless to say that movie lacked lfe big time to me. I hope they don't do pacific rim like that! It would be real disappointing if all of a sudden movies stop putting out subsonic frequencies. Even frequencies in the mid 20hz range add just that much more oomph to the soundtrack. If they start filtering everything at 30hz and above then I guess there would be no point in getting a sub that can put out sub 30hz frequencies. That would not be cool.
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post #3 of 17 Old 09-18-13, 04:53 PM Thread Starter
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Re: LFE channel audio filter on some new release movies???

I can understand a 15Hz filter as anything below that really pushes a sub hard but 30Hz!

Home theater:
Onkyo 805, Yamaha YDP2006EQ, Samson Servo 600 amp
3 EV Sentry 500 monitors across the front, 4 Mission 762i's Surrounds, SVS PB13U sub, Panasonic BDT220, Harmony 1100, Nintendo WiiU
Panasonic PT-AE8000 on a 120" 2,35:1 fixed screen

Living room system:
Sherwood/Newcastle R972, Mission 765's, SVS SBS02's, A/D/S MS3u sub, Yamaha YDG2030EQ
Yamaha KX-393 Tape deck, CDC 805 CD changer, Panasonic BD60, Sony turntable PS-T20
Panasonic TC-P50ST60, HD-PVR & WDTV Live, Harmony 900

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post #4 of 17 Old 09-18-13, 04:53 PM
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Re: LFE channel audio filter on some new release movies???

yeah, it's VERY frustrating. especially for those of us with low tuned or sealed subs.. the 50hz filter is almost unexcusable in my opinion. a lot of older releases had the dreaded 50hz hpf on them.. the biggest offender being "master and commander" which had an unfiltered release on DVD then they destroyed it with a 50hz filter on the audio
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post #5 of 17 Old 09-18-13, 06:13 PM
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Re: LFE channel audio filter on some new release movies???

There should be a Warning--This movie has an RB rating for Ruined Bass in big, bold letters on the packaging, so we know it's junk before we buy.

Are the manufacturers afraid that someone might blow up their little girly subs?
I would think that would be something to brag about on the packaging--Little Girly subs beware of big manly bass signals on this disc.
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post #6 of 17 Old 09-18-13, 06:42 PM
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Re: LFE channel audio filter on some new release movies???

Money talks, just don't buy these movies & send an email to the company making them & explain why you did not. LFE is the reason HT works, lest they forget that!
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post #7 of 17 Old 09-18-13, 10:16 PM
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LFE all the way! Without it we lose the magic!
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post #8 of 17 Old 09-19-13, 05:46 PM
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Re: LFE channel audio filter on some new release movies???

So, how do we know which movies had the bass chopped out of it? Is there a database somewhere?

Also, is it only with Blu-Ray discs or do they deliberately ruin the DVDs also?

My wife likes the Despicable Me movie enough that she picked it up in Blu-Ray, even though we already had it on DVD. I was so disappointed to find the really cool bass gone on the Blu-Ray disc.

Our expectation is for improved audio and video with Blu-Ray, but this movie is more enjoyable in DVD with all the bass still in it.
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post #9 of 17 Old 09-19-13, 06:02 PM
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Quote:
PassingInterest wrote: View Post
So, how do we know which movies had the bass chopped out of it? Is there a database somewhere? Also, is it only with Blu-Ray discs or do they deliberately ruin the DVDs also? My wife likes the Despicable Me movie enough that she picked it up in Blu-Ray, even though we already had it on DVD. I was so disappointed to find the really cool bass gone on the Blu-Ray disc. Our expectation is for improved audio and video with Blu-Ray, but this movie is more enjoyable in DVD with all the bass still in it.
I believe AVS forums has a listing of all the best movies with bass on it listed in 5 star, 4 star etc...They specify whether its blu ray or DVD and you'll notice quite a few movies on DVD made the list and the blu ray versions didnt. Master and Commander comes to mind. DVD was great blu ray got the life sucked out of it bass wise.
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post #10 of 17 Old 09-19-13, 06:04 PM
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Re: LFE channel audio filter on some new release movies???

Okay, thanks for the tip, Mike.

Has a reason ever been offered for butchering the LFE track?
Any good speculation for it.
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