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Forum: Audio theory, Setup and Chat   07-10-2014, 05:29 AM
Replies: 237
Views: 4,836
Posted By arnyk
I have over a decade of experience with...

I have over a decade of experience with measurements of SPLs in performance spaces when they are empty, have an audience present, have an audience + musicians present, and when there is actually...
Forum: Audio theory, Setup and Chat   07-10-2014, 05:14 AM
Replies: 237
Views: 4,836
Posted By arnyk
The statement: "two ears and a brain are much...

The statement: "two ears and a brain are much more analytical than a microphone and a meter!" is yet another straw man argument.

As you correctly point out, a microphone and a meter is not the...
Forum: Audio theory, Setup and Chat   07-09-2014, 02:01 PM
Replies: 8
Views: 161
Posted By arnyk
Agreed. The picture of my audio system doesn't...

Agreed. The picture of my audio system doesn't show how the speakers are angled down at the listener's ears very well.
Forum: Audio theory, Setup and Chat   07-09-2014, 01:28 PM
Replies: 1,860
Views: 36,926
Posted By arnyk
I added files downsampled to 22 KHz (11 KHz brick...

I added files downsampled to 22 KHz (11 KHz brick wall) and 16 KHz (8 KHz brick wall).
Forum: Audio theory, Setup and Chat   07-09-2014, 01:25 PM
Replies: 1,860
Views: 36,926
Posted By arnyk
Anybody who wants the F&Z book can have it. Its a...

Anybody who wants the F&Z book can have it. Its a free download on the web:
...
Forum: Audio theory, Setup and Chat   07-09-2014, 01:13 PM
Replies: 1,860
Views: 36,926
Posted By arnyk
Agreed. While the Subjectivists Golden Ears and...

Agreed. While the Subjectivists Golden Ears and high end journalists won't admit is that some distortion is even inaudible. Their response to this concept based on what is on this thread is to say...
Forum: Audio theory, Setup and Chat   07-09-2014, 04:46 AM
Replies: 8
Views: 161
Posted By arnyk
My LCRs are soffit-mounted. If I had any...

My LCRs are soffit-mounted.

If I had any surrounds, they would probably be mounted that way, as well.

http://www.avsforum.com/forum/attachment.php?attachmentid=154265&stc=1&d=1404906629
Forum: Audio theory, Setup and Chat   07-09-2014, 04:33 AM
Replies: 1,860
Views: 36,926
Posted By arnyk
Depends who and what. One way to evaluate SNRs is...

Depends who and what. One way to evaluate SNRs is to give them as dB over the theoretical maximum possible. That is sometimes called Noise Figure. Noise figures in the 6-10 dB range are not uncommon....
Forum: Speakers   07-09-2014, 03:47 AM
Replies: 31
Views: 399
Posted By arnyk
I wouldn't pick one AVR over another based on...

I wouldn't pick one AVR over another based on discrete amplifiers. I would avoid Sony AVRs because their amps tend towards being kinda wimpy at the same price point. For the record I have a Yamaha...
Forum: Audio theory, Setup and Chat   07-09-2014, 03:41 AM
Replies: 4
Views: 110
Posted By arnyk
Scotch industrial strength double sided tape is...

Scotch industrial strength double sided tape is pretty tenacious, and I think they still carry it at Staples. If you get it pressed onto the baseboards really tight, the paint might come off with it...
Forum: Audio theory, Setup and Chat   07-09-2014, 03:36 AM
Replies: 237
Views: 4,836
Posted By arnyk
Some of the files were not analyzed over the same...

Some of the files were not analyzed over the same section of the basic audio file. I was trying to make a point about the high frequency content, and kinda skipped over getting the analysis regions...
Forum: Audio theory, Setup and Chat   07-09-2014, 03:33 AM
Replies: 1,860
Views: 36,926
Posted By arnyk
BTW Frank there are some sample-rate related...

BTW Frank there are some sample-rate related files posted at https://www.dropbox.com/sh/l86f7oc7cdsb0xr/AAB4feU8z3Xww14Mrta1zs3Ca .

Since you did such a nice job on the jitter files...
Forum: Audio theory, Setup and Chat   07-09-2014, 03:27 AM
Replies: 8
Views: 187
Posted By arnyk
Fact is that while a tiny minority of high end...

Fact is that while a tiny minority of high end audiophiles use SETs to drive speakers despite their high source impedances, headphone amps that provide a source impedance that is high enough to cause...
Forum: Audio theory, Setup and Chat   07-09-2014, 03:07 AM
Replies: 237
Views: 4,836
Posted By arnyk
Kind of interesting that you are making the same...

Kind of interesting that you are making the same point almost word for word. Wonder if he is your source of information?
[/quote]

Here's a news flash Amir. Earl and I live in the same universe...
Forum: Audio theory, Setup and Chat   07-09-2014, 02:45 AM
Replies: 237
Views: 4,836
Posted By arnyk
That is characteristic of compression drivers....

That is characteristic of compression drivers. Coincidentally Earl mentioned that at our 4th of July get together at Dave's house.

The science is that compression drivers are caught between a rock...
Forum: Audio theory, Setup and Chat   07-09-2014, 02:37 AM
Replies: 237
Views: 4,836
Posted By arnyk
Thanks for the encouragement. Here is the...

Thanks for the encouragement.

Here is the link for my idea of killer 24/96 .wav files files for using ABX to hear potential audible differences due to differences in bandpass and resolution:
...
Forum: Audio theory, Setup and Chat   07-09-2014, 02:08 AM
Replies: 8
Views: 187
Posted By arnyk
The above is a bit of an over simplification....

The above is a bit of an over simplification. Amplifiers are designed to drive minimum impedances, and handle higher impedances wonderfully.

The same is true of headphone amps. The ones that drive...
Forum: Audio theory, Setup and Chat   07-09-2014, 01:59 AM
Replies: 1,860
Views: 36,926
Posted By arnyk
The answer is not simple, but it is knowable. Of...

The answer is not simple, but it is knowable. Of course the very idea that any measurement means anything is according to the subjectivists, a vile lie.



There are many things in this life that...
Forum: Audio theory, Setup and Chat   07-08-2014, 07:20 PM
Replies: 1,860
Views: 36,926
Posted By arnyk
Correct on both counts. Thanks for the...

Correct on both counts. Thanks for the correction.

Corrected numbers:

30 Hz test max 0.1 0.00238864 2388.64302332
30 Hz test severe 0.05 0.00095094 950.93591548
30 Hz test strong...
Forum: Audio theory, Setup and Chat   07-08-2014, 02:07 PM
Replies: 1,860
Views: 36,926
Posted By arnyk
Here is Zwicker and Fastl's just noticable (JND) ...

Here is Zwicker and Fastl's just noticable (JND) jitter numbers recalculated into terms that we use in audio for a 1 KHz tone: For a 10 KHz tone, divide by 10,000.

Modulating frequency, Hz JND...
Forum: Audio theory, Setup and Chat   07-08-2014, 11:17 AM
Replies: 1,860
Views: 36,926
Posted By arnyk
Love to see Amir pursuing his favorite hobby...

Love to see Amir pursuing his favorite hobby which may be inventing science. The audibility of jitter (FM distortion) is given in the scientificf literature by Zwicker and Fastl:
...
Forum: Audio theory, Setup and Chat   07-08-2014, 06:48 AM
Replies: 1
Views: 51
Posted By arnyk
The DC4 + DC4lcr are matched. The DC4LCR has...

The DC4 + DC4lcr are matched.

The DC4LCR has two woofers in order to handle the extra loudness that is often required of the center channel speaker.

Upgrading the L & R speakers without...
Forum: Audio theory, Setup and Chat   07-08-2014, 06:32 AM
Replies: 1,860
Views: 36,926
Posted By arnyk
Terryj - past participant of these forums at AVS.

Terryj - past participant of these forums at AVS.
Forum: Receivers, Amps, and Processors   07-08-2014, 05:04 AM
Replies: 177
Views: 28,956
Posted By arnyk
The usual problem with extensions that can be...

The usual problem with extensions that can be confusing to diagnose is when the ground line does not go through. That means that the earpieces response to the difference between the two channels,...
Forum: Receivers, Amps, and Processors   07-08-2014, 04:59 AM
Replies: 6
Views: 123
Posted By arnyk
Accuse it of being excessively undersized by...

Accuse it of being excessively undersized by comparing it to oversized cables as was done by one of our local luminaries. ;-)
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