- Average level: The average level across the entire set of samples, often called the RMS level. Sounds amazing to my ears I just want to make sure everything is fine where it's at. There are significant reasons why the human ear fubctions the way it does. Hi All, I am new to the home theater scene and setting up a 7.1 system. Advertisement. I'm using an SPL meter to set my speaker levels and need a little help. A forum community dedicated to home theater owners and enthusiasts. per your original question. Buying Advice, Tech Support, etc for Televisions, Home Theater, Speakers, Projectors, Audio/Video Receivers, etc. I am getting it now. An SPL meter will tell you what you are actually getting using pink noise and if your receivers auto room setup has done the level calibration properly. Dynamic eq is an enhancement. Turn that on and try playing with the different level offsets to see if you have a preference. So I did that too, with the level matching, but I'm just wondering why the microphone on the Denon reads so much lower than my handheld SPL meter. I'm confused, sorry just trying to understand this. All were measured using the A-weighting scale, which gives less emphasis to deep bass. in the AVR bass menu which usually ranges from -12 to +12 anything under 00 is fine(99.9% of the time). I then use a UMIK-1 and the REW software SPL meter to measure each sub near field at 80db. I then run Audyssey from position 1. The dB setting is just a comparative value that you can use to tell what the volume level of each channel is. I prefer to calibrate each speaker to 75 dB SPL—that’s pretty much a standard, and it’s plenty loud and gets you enough volume to exceed any ambient noise in the room. It starts out in the negatives and gets louder in lower negative numbers. Required fields are marked *. "Let our rigorous testing and reviews be your guidelines to A/V equipment – not marketing slogans", Get our latest product reviews and AV stories emailed to you weekly. This is especially true with subwoofers. They commissioned a Toronto engineering firm to measure sound levels in five different movie theaters, with different films, including a THX theater. Some concert material in real life peaks at 100 dB SPL or higher, so you can certainly duplicate the levels experienced with live music if you choose to do so… and if your system, speakers and amplifiers are up to it. Home Theater Receivers | Processors | Amps, VerticalScope Inc., 111 Peter Street, Suite 901, Toronto, Ontario, M5V 2H1, Canada. The results are interesting: The THX promo clip measured 85 dB SPL, while average movie sound levels were between 70 dB and 78 dB–comfortable and not too loud. On your AV receiver, the dB indications are still relative and you should hear them that way. Looking for me, just google my username. Your email address will not be published. Hi All, I am new to the home theater scene and setting up a 7.1 system. momentary exposure to peaks of 120db wont cause hearing loss, it is sustained levels that do. .. but at the same time, the loudest sound you can tolerate decreases as well. Come join the discussion about home audio/video, home theaters, troubleshooting, projects, DIY’s, product reviews and more! If your AV receiver’s setting is at, say, -25 dB, and you turn it up to –22 dB, that 3-dB increase in loudness should sound “slightly louder.” Going from –25 dB to –15 dB, an increase of 10 dB, should sound about “twice as loud”. (In this discussion, I'm assuming you measured SPL levels using the Radio Shack Sound Level Meter, model 33-4050, set to the "C" weighting scale, in the averaging mode, and at your seating area. 105 db should be the loudest your receiver ever generates: it is for movies with explosions. Brief exposure to that shouldn't cause damage. Individual tolerance of loudness levels varies quite a bit from one person to the next, and is also age-related, but many years of careful testing of large numbers of people with normal hearing have yielded a generally agreed upon set of subjective standards that quantify loudness levels for the majority of listeners. A movie like War of the Worlds is thrilling played loud. I would. I want Audyssey to set the internal sub trim to somewhere between -5 and -7db. My question is am I running my avr or channels hot with th results I've come up with, Front Left -5.5db Center -5.0db Front Right -5.0db Surround R -8.5db Surround L 8.5db Top Middle R -1.0db Top Middle L 1.0db Subwoofer -5.0db, all channels set to small at 80hz except atmos channels set to 120hz, Sub set to LFE 120hz, MultiEQ flat - dynamic EQ on - -reference level offset 0db - dynamic volume light. After running audyssey i adjusted the distances manually with a measuring tape and used a vlike vl6708 slp meter to adjust db levels at 0.0db max volume aiming for 75db reference level to each channel. Does it matter on the Audyssey version I have I don't have the XT32 I have a lower tier Denon receiver S950H also the loudest volume I go to is -20DB it's plenty loud in the size room I'm in 11×11×8. I don't see any harm in double checking your levels, but distances I leave alone. Thanks so much. Initiate the Receiver/Preamp test tone. Any particular sample value (or the average) is represented by negative numbers; ie, the 'distance', if you will, below 0 dB. A DVD music concert of amplified rock music, cleanly recorded, can certainly be enjoyed on a good system at levels up to 100 dB, but only if your friends like electric rock at those levels—and lots do. 2 pb2000 or 1 fv15hp or 1 vtf 15h mk2 or 1 Monolith 15. With home theater gear the proper bass balance with an inexpensive SPL meter keeps the sub(s) at the same levels as the rest of the channels. My recieve is Onkyo - TX-N1007. Reference level is dependant on how far you sit from the speakers as well. It's using distance to make up for inconsistencies in timing between all of your speakers. -XXdb is some volume below reference, +XXdb is some volume above. Inexpensive SPL meters do tend to read 3-7dB low <100hz. Onkyo 805, Yamaha YDP2006EQ, Samson Servo 600 amp, Sherwood/Newcastle R972, Mission 765's, SVS SBS02's, A/D/S MS3u sub, Yamaha YDG2030EQ. Macy's Day Parade. Whether matching an entry-level or expensive turntable, choose among six great phono cartridges for budgets from $150 to $750. As an example : If 10 loudspeakers are playing at the same loudness instead of one we think that the loudness has doubled . Avr denon s950h - klipsch cc r52c - klipsch bookshelf r15m x4 - klipsch atmos spks r41sa x2 - klipsch R-112SW - 12 gauge wire going to all channels - 968 cubic ft room. Certain DVDs may call for different levels.
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