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Search: Posts Made By: jaddie
Forum: Audio Theory, Setup, and Chat   08-28-2015, 08:49 AM
Replies: 7
Views: 104
Posted By jaddie
Yes, if you can place them well. ...

Yes, if you can place them well.

[/quote]More speakers is always better! :D
Forum: Audio Theory, Setup, and Chat   08-27-2015, 08:21 AM
Replies: 7
Views: 104
Posted By jaddie
You options are to experiment with your own...

You options are to experiment with your own variation on the Atmos speaker plan, or stick with what you have. You can't really hit what they recommend.

However...Atmos: 25 or so titles, been...
Forum: Audio Theory, Setup, and Chat   08-27-2015, 03:40 AM
Replies: 143
Views: 2,267
Posted By jaddie
Vessa cites screen attenuation as part of the...

Vessa cites screen attenuation as part of the X-curve, which is false. In fact, in HTG #259 (http://www.avsforum.com/forum/usertag.php?do=list&action=hash&hash=259) he blames screen loss for both...
Forum: Audio Theory, Setup, and Chat   08-26-2015, 08:20 PM
Replies: 7
Views: 104
Posted By jaddie
The Atmos spec calls for direct radiators...

The Atmos spec calls for direct radiators (monopole) only, but with wide dispersion for the top speakers that is almost unachievable. Being too close to speakers in an Atmos system is a problem...
Forum: Audio Theory, Setup, and Chat   08-26-2015, 05:57 PM
Replies: 143
Views: 2,267
Posted By jaddie
Just to add one thought. If the X-curve were the...

Just to add one thought. If the X-curve were the result of a group of response modifiers (air absorption, screen loss, etc.) then we'd have to assume that it resulted because a flat system were...
Forum: Audio Theory, Setup, and Chat   08-26-2015, 02:01 PM
Replies: 143
Views: 2,267
Posted By jaddie
This post serves to illustrate my point exactly. ...

This post serves to illustrate my point exactly.
All of these are a factor in the HF performance of the system, but are NOT the "cause" of the X-curve, nor the reason for it being in place. In...
Forum: Audio Theory, Setup, and Chat   08-26-2015, 07:40 AM
Replies: 143
Views: 2,267
Posted By jaddie
Sarcasm noted. Seriously, it's because of his...

Sarcasm noted. Seriously, it's because of his title that this is so disturbing.
What he did wasn't dumbing down, it was completely wrong. He's done it more than once. Not understanding the why of...
Forum: Audio Theory, Setup, and Chat   08-25-2015, 04:48 PM
Replies: 143
Views: 2,267
Posted By jaddie
I really thought twice about posting the videos...

I really thought twice about posting the videos because there is SO MUCH wrong in there, not just the X-curve thing. Please...please, take it all with a block of salt. I'm not going to dissect it...
Forum: Audio Theory, Setup, and Chat   08-25-2015, 10:11 AM
Replies: 143
Views: 2,267
Posted By jaddie
That was clearly visual support for a very basic...

That was clearly visual support for a very basic presentation somewhere. It's not a surprise that the author blurs and blends standards and recommended practices. For a paper or presentation to be...
Forum: Audio Theory, Setup, and Chat   08-25-2015, 02:11 AM
Replies: 143
Views: 2,267
Posted By jaddie
From the above AES paper, first paragraph,...

From the above AES paper, first paragraph, section 1. "It (the AES paper) is intended to acquaint studios with these developments, but it should also be useful, to a large extent, for consumer...
Forum: Audio Theory, Setup, and Chat   08-25-2015, 01:07 AM
Replies: 143
Views: 2,267
Posted By jaddie
No, I do not agree. The discussion in this...

No, I do not agree. The discussion in this (unfortunately mis-titled) thread is about theatrical reference, which has application to home theater because it is the point to which all other levels...
Forum: Audio Theory, Setup, and Chat   08-24-2015, 09:21 PM
Replies: 143
Views: 2,267
Posted By jaddie
So, then, you missed the preceding couple of...

So, then, you missed the preceding couple of paragraphs?

"In 1983, as workshops chairman of the AES Convention, I invited Tomlinson
Holman of Lucasfilm to demonstrate the sound techniques used in...
Forum: Audio Theory, Setup, and Chat   08-24-2015, 01:46 AM
Replies: 143
Views: 2,267
Posted By jaddie
As posted, there most certainly is. Prove to us...

As posted, there most certainly is. Prove to us there isn't.
And you got this hard statistical data from....?
Some may on occasion, they certainly won't mix the entire film with earplugs, that's...
Forum: Audio Theory, Setup, and Chat   08-18-2015, 06:30 PM
Replies: 143
Views: 2,267
Posted By jaddie
Yeah. Nice. And an insult to girls everywhere.

Yeah. Nice. And an insult to girls everywhere.
Forum: Audio Theory, Setup, and Chat   08-18-2015, 03:55 PM
Replies: 96
Views: 1,557
Posted By jaddie
The theory assumes the balance direct to...

The theory assumes the balance direct to reflected is a constant for all rooms. You can't EQ the direct without affecting the full power response too, at least, not with a parametric or Dirac. Thus,...
Forum: Audio Theory, Setup, and Chat   08-18-2015, 03:51 PM
Replies: 143
Views: 2,267
Posted By jaddie
RMS (also known as the "heating value") is not a...

RMS (also known as the "heating value") is not a way to approximate average power. Average and RMS are two different things, two entirely different formulae, and it's ignoring that difference that...
Forum: Audio Theory, Setup, and Chat   08-18-2015, 08:45 AM
Replies: 143
Views: 2,267
Posted By jaddie
The same. Leq deals with time-variant signals...

The same. Leq deals with time-variant signals and ends up at the "equivalent" of a steady state signal.

Since filtered pink isn't technically time-variant within slow meter integration windows,...
Forum: Audio Theory, Setup, and Chat   08-18-2015, 08:37 AM
Replies: 96
Views: 1,557
Posted By jaddie
Yeah. Interesting and a little wacky.

Yeah. Interesting and a little wacky.
Forum: Audio Theory, Setup, and Chat   08-17-2015, 11:15 PM
Replies: 143
Views: 2,267
Posted By jaddie
Actually, you were correct the first time, I was...

Actually, you were correct the first time, I was wrong. -18dBFS/RMS set to 85dB SPL will result in 103dB SPL RMS max with a sine wave, 106dB SPL Max peak at 0dBFS. Sorry.

If Dolby's noise had...
Forum: Audio Theory, Setup, and Chat   08-17-2015, 09:50 AM
Replies: 143
Views: 2,267
Posted By jaddie
No, and I'm sorry my post were confusing. They...

No, and I'm sorry my post were confusing. They were to me too when I re-read them.

Dolby uses the RMS value of a sine wave at 0dBFS (Peak) as a reference for the RMS value of their pink noise. ...
Forum: Audio Theory, Setup, and Chat   08-16-2015, 02:30 PM
Replies: 143
Views: 2,267
Posted By jaddie
Just downloaded and scanned it. I get -18.2dB re...

Just downloaded and scanned it. I get -18.2dB re 0dBFS Sine, -21.2dBFS re square/peak. And I'm not worried about .2dB.

Tested in Audition, AudioLeak, and TT DR meter. All agree well within...
Forum: Audio Theory, Setup, and Chat   08-16-2015, 01:20 PM
Replies: 143
Views: 2,267
Posted By jaddie
Don't use a sine wave RMS for the 0dBFS...

Don't use a sine wave RMS for the 0dBFS reference. 0dBFS is true peak, so no 3dB offset is required. That puts the Dolby noise at -18dBFS, give or take a tenth or so.

It's maximum (true) Peak. ...
Forum: Audio Theory, Setup, and Chat   08-16-2015, 10:02 AM
Replies: 143
Views: 2,267
Posted By jaddie
Yup. Flawed by about 2dB. But that doesn't mean...

Yup. Flawed by about 2dB. But that doesn't mean it shouldn't be done. I applaud Stereodude's obsession, even if I don't share all of it. But don't confuse loudness measurements with steady-state...
Forum: Audio Theory, Setup, and Chat   08-16-2015, 09:48 AM
Replies: 143
Views: 2,267
Posted By jaddie
Of course, but if you don't have traceability,...

Of course, but if you don't have traceability, you have that cal window to deal with. Point is, it's really hard to get any closer than 2dB re: absolute.

Probably does it in software. Before...
Forum: Audio Theory, Setup, and Chat   08-16-2015, 02:32 AM
Replies: 3
Views: 107
Posted By jaddie
You want the TT set to "line". Your amp has...

You want the TT set to "line".

Your amp has a "loudness" function which boost bass at lower volume levels. You can turn it off by pressing the volume control in. Try it off, the sound may be...
Showing results 1 to 25 of 718

 
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