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Another Audyessy question
#242499 01/24/09 09:55 PM
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I decided to give Audyssey another try, but I still have mixed feelings about it. It doesn't seem to get the distances or channel levels exactly right, and some are way off. For example, it had my left surround about 2.5 dB too hot.
But my question is why does Audyssey calculate that the distance to my sub is 1.7 feet when it's actually 6.7 feet? Should I leave it alone or change it?


I started out with nothing & I've still got most of it left
M60 VP160 QS8 EP350
M22 VP100
Algonquins
Re: Another Audyessy question
Joe_in_SC #242505 01/24/09 10:20 PM
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How do you know your left surround is to hot? The room characteristics and speaker placement play a huge role in the end results. My right surround is 2 dB's different than my left surround, because my right surround has no wall behind to reinforce things.

The sub distance can somtimes be different based on internal delay in the sub amp circuitry, especially in DSP subs. However, normally the setup has it further away than the physical distance.


M80s VP180 4xM22ow 4xM3ic EP600 2xEP350
AnthemAVM60 Outlaw7700 EmoA500 Epson5040UB FluanceRT85


Re: Another Audyessy question
SirQuack #242511 01/24/09 10:54 PM
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After I ran Audyssey, I checked all the levels with my sound meter. And I don't have a DSP sub (EP350 v2).
My initial reaction after listening for a few hours to a movie is that the sound is fuller, but slightly colored and artificial. Not unpleasant, just more noticeable.


I started out with nothing & I've still got most of it left
M60 VP160 QS8 EP350
M22 VP100
Algonquins
Re: Another Audyessy question
Joe_in_SC #242520 01/24/09 11:30 PM
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As long as you had the SPL meter in the EXACT location left/right/height and orientated straight up, I can see your concern, the SPL reading should be the same. However, the dB levels on the receiver might be a few dB's different to achieve the same reading.

In regards to the sub that is strange as well. My EP350v3's using my old Denon 2805 setup give me the exact distance from the sub's voice coil on the driver to the mic. Now the EP600 is another story, because of the DSP, the receiver puts my 600 about 10ft further than it actually is....I don't have Audyssey.


M80s VP180 4xM22ow 4xM3ic EP600 2xEP350
AnthemAVM60 Outlaw7700 EmoA500 Epson5040UB FluanceRT85


Re: Another Audyessy question
SirQuack #242532 01/25/09 12:19 AM
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Which receiver are you using?

When you do the audyssey setup are you doing 3,4, or more locations? I have found Audyssey really needs the extra locations to get its EQ right.

Do you have the latest firmware updates for your receiver, if avaialble? There could be other noises that are causing Audyssey to set things up wrong, make sure the room is dead quiet. I do my set ups at 2-3AM when I get home from work.


Jason
M80 v2
VP160 v3
QS8 v2
PB13 Ultra
Denon 3808
Samsung 85" Q70
Re: Another Audyessy question
jakewash #242534 01/25/09 12:31 AM
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I've got a Denon 2308CI, so no software issues. I used all 6 locations that it allows, and I did the 3 main seating positions plus another 3 readings about 2 feet in front of those.

Outside noise is a possibility. I shut off the furnace, but there could be some faint road noise affecting the readings. Do you think that could be affecting the sub distance?

Bottom line is still - should I adjust the distance to the actual measurement or go with Audyssey? I suppose I could try both and see if it makes a difference. Maybe I'm stressing over something that really doesn't matter that much?


I started out with nothing & I've still got most of it left
M60 VP160 QS8 EP350
M22 VP100
Algonquins
Re: Another Audyessy question
Joe_in_SC #242539 01/25/09 12:51 AM
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Well, you do want your SPL readings to be the same from the primary seating position. The distances and dB levels on the receiver for each speaker can be different, but the goal is to have the same SPL from the desired seat. If your going back and running the receivers pink noise, and the Radio Shack meter has a 2+ difference between the left/right surrounds that is not right. How many times have you run the Audyssey? Maybe you will get different results if you run it again..

The first measurement you take is the crucial one, which sets the distances, dB levels, etc.


M80s VP180 4xM22ow 4xM3ic EP600 2xEP350
AnthemAVM60 Outlaw7700 EmoA500 Epson5040UB FluanceRT85


Re: Another Audyessy question
SirQuack #242545 01/25/09 01:36 AM
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Maybe try only 4 readings. I know the 3808 has had some issues in some rooms with the max 8 readings, not sure why, but when they dropped to 4 or 6 readings it worked right.


Jason
M80 v2
VP160 v3
QS8 v2
PB13 Ultra
Denon 3808
Samsung 85" Q70
Re: Another Audyessy question
jakewash #242553 01/25/09 02:27 AM
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When using an SPL meter, you are measuring white noise with all the room problems. When Audyssey measures, it uses sweeps. Also, there is a +/- 2db variance on the SPL and the Audyssey MIC.

The sub distance is a problem. It should not be closer (it could be farther and still be correct). Was there any room noise when you did the test. Thinks like cooling fans can make Audyssey give weird results.

Re: Another Audyessy question
dewd #242556 01/25/09 02:48 AM
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Hey Dave, none of your Home Theater website pictures are working, fyi....


M80s VP180 4xM22ow 4xM3ic EP600 2xEP350
AnthemAVM60 Outlaw7700 EmoA500 Epson5040UB FluanceRT85


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