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04nata 
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Joined: April 22, 2008
Posted: February 15, 2012 at 3:26 PM / IP Logged  

I noticed that some people use something to "delay" their subs, can someone explain this to me?

what is the relavance, benefit and what do you use to do it?

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DYohn 
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Joined: April 22, 2003
Location: Arizona, United States
Posted: February 15, 2012 at 4:48 PM / IP Logged  
Time alignment is important to creating an SQ system, and it is usually accomplished using head units or external processors with DSP functions.
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soundnsecurity 
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Posted: February 17, 2012 at 7:47 PM / IP Logged  
time alignment is more for highs than bass, im sure its possible but ive never heard of using it for subs. basically it puts a delay of a few miliseconds on each speaker and the amount of delay depends on the position of the speaker in relation to the listener. this makes it so that the sound from each speaker gets to you all at the same time and tricks your brain into thinking that the sound is perfectly centered on the sound stage, which is one of the hardest things to achieve in a car because the speakers are in messed up positions all through out the car.
time alignment is less important with subs because sub bass is not very directional so its harder to pinpoint the exact position of the subwoofer just by hearing it. the only benefit i can see by having time alignment on your subs would be if you had more than one sub and they had to be in different locations, like if you had subs in each door and one in the trunk or back deck.
DYohn 
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Joined: April 22, 2003
Location: Arizona, United States
Posted: February 17, 2012 at 8:01 PM / IP Logged  
Usually the sub signal is considered "zero" and time alignemtn of other channels is refernced from it.
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haemphyst 
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Posted: February 20, 2012 at 2:33 PM / IP Logged  
DYohn wrote:
Usually the sub signal is considered "zero" and time alignemtn of other channels is refernced from it.
Hitting the reposados lately? sub delay -- posted image.
It all reminds me of something that Molière once said to Guy de Maupassant at a café in Vienna: "That's nice. You should write it down."
DYohn 
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Location: Arizona, United States
Posted: February 20, 2012 at 5:26 PM / IP Logged  

haemphyst wrote:
DYohn wrote:
Usually the sub signal is considered "zero" and time alignemtn of other channels is refernced from it.
Hitting the reposados lately? sub delay -- posted image.

Si hombre.

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