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Forum: Audio theory, Setup and Chat   07-28-2014, 11:04 AM
Replies: 2,555
Views: 55,072
Posted By arnyk
One very serious problem with your analysis is...

One very serious problem with your analysis is that you are apparently unknowingly comparing apples and tomatoes. Music is an incoherent signal and naturally shows up on a FFT as a large number of...
Forum: Audio theory, Setup and Chat   07-28-2014, 07:59 AM
Replies: 2,555
Views: 55,072
Posted By arnyk
No they don't. Now that I prepared a file with...

No they don't. Now that I prepared a file with everything below 23Khz filtered out, I know that the content> 23 Khz peaks at about 5 dB FS.

But, it is an irrelevant number because when playing the...
Forum: Audio theory, Setup and Chat   07-28-2014, 05:17 AM
Replies: 2,555
Views: 55,072
Posted By arnyk
Here are the statistic for the keys jangling...

Here are the statistic for the keys jangling portion of the track:

http://www.avsforum.com/forum/attachment.php?attachmentid=183722&d=1406549507

The peak levels in the tracks are about -2 dB FS...
Forum: Audio theory, Setup and Chat   07-28-2014, 05:08 AM
Replies: 2,555
Views: 55,072
Posted By arnyk
Here they are, in a previous post I made before...

Here they are, in a previous post I made before the above post. I just added the results of an ABX test performed with that bogus monitoring system that had a positive outcome.
...
Forum: Audio theory, Setup and Chat   07-28-2014, 04:45 AM
Replies: 2,555
Views: 55,072
Posted By arnyk
I think that the phrase "hear potential audible...

I think that the phrase "hear potential audible differences" is sufficiently neutral. I'm not saying that they are audible or not, just that there is some potential for them to be audible.
...
Forum: Audio theory, Setup and Chat   07-28-2014, 04:10 AM
Replies: 2,555
Views: 55,072
Posted By arnyk
My apologies. I caught the error in a review and...

My apologies. I caught the error in a review and deleted the post. It was indeed incorrect. My apologies.

As far as mechanical tells go, it varies.

We've built hardware ABX comparators with...
Forum: Audio theory, Setup and Chat   07-27-2014, 03:41 PM
Replies: 2,555
Views: 55,072
Posted By arnyk
Speaking of helping people rule IM out, I decided...

Speaking of helping people rule IM out, I decided to test my own monitoring system on this PC which I know to be flawed:
...
Forum: Audio theory, Setup and Chat   07-27-2014, 03:28 PM
Replies: 2,555
Views: 55,072
Posted By arnyk
Yes, that is a joke. The post is based on a gross...

Yes, that is a joke. The post is based on a gross error, so how can it stand? Thanks for the smiley.



Another great guote for my book: "Why Amir shouldn't call himself a Psychocoustics Expert"....
Forum: Audio theory, Setup and Chat   07-27-2014, 03:20 PM
Replies: 2,555
Views: 55,072
Posted By arnyk
Really? What you showed is that there are indeed...

Really? What you showed is that there are indeed headphone amps with no audible problems with IM. which I have been saying all along. IMO some do have audible imperfections, some don't. at least as...
Forum: Audio theory, Setup and Chat   07-27-2014, 03:11 PM
Replies: 2,555
Views: 55,072
Posted By arnyk
MS made some dramatic changes to the Task Manager...

MS made some dramatic changes to the Task Manager in Windows 8.1, which is the release of windows that I said I am using.
...
Forum: Audio theory, Setup and Chat   07-27-2014, 03:02 PM
Replies: 2,555
Views: 55,072
Posted By arnyk
False claim. For example there is an ABX...

False claim.

For example there is an ABX comparator in the recent releases of "Mastered For iTunes". It has been there since no later than 2012:
...
Forum: Audio theory, Setup and Chat   07-27-2014, 02:44 PM
Replies: 2,555
Views: 55,072
Posted By arnyk
False claim. These are not spectral analysis,...

False claim. These are not spectral analysis, they are displays of amplitude versus time. Digital Audio 101.

Please try again!
Forum: Audio theory, Setup and Chat   07-27-2014, 02:42 PM
Replies: 2,555
Views: 55,072
Posted By arnyk
Been there done that, months ago. Why didn't you...

Been there done that, months ago. Why didn't you jump on my bandwagon then?

Reason being the probable high proportion of the recordings they used being from old low-res masters.
Forum: Audio theory, Setup and Chat   07-27-2014, 02:40 PM
Replies: 2,555
Views: 55,072
Posted By arnyk
When I downsample, I always apply dither. The...

When I downsample, I always apply dither. The files Amir used if they were mine and they appear to be, were dithered.

Good job guys of sending Amir down a rabbit hole...
Forum: Audio theory, Setup and Chat   07-27-2014, 07:42 AM
Replies: 2,555
Views: 55,072
Posted By arnyk
My Windows 8.1 Task manager shows neither hide...

My Windows 8.1 Task manager shows neither hide nor hair of anything even vaguely resembling AudioDG. when running FOOBAR2000 or other audio tools that I use.
Forum: Audio theory, Setup and Chat   07-27-2014, 07:38 AM
Replies: 2,555
Views: 55,072
Posted By arnyk
Faint is not good. Not at all is good.

Faint is not good. Not at all is good.
Forum: Audio theory, Setup and Chat   07-27-2014, 05:06 AM
Replies: 2,555
Views: 55,072
Posted By arnyk
If you hear the 4 KHz tone and the clicks...

If you hear the 4 KHz tone and the clicks identically in both of the test files, and no tones or other noises between the clicks, your monitoring system is clean at that particular listening level....
Forum: Audio theory, Setup and Chat   07-27-2014, 05:00 AM
Replies: 220
Views: 4,349
Posted By arnyk
It is easier than that. Just measure the...

It is easier than that. Just measure the electrical frequency response at the speaker terminals. The speaker is never going to sound any better than the signal delivered to it, right? OTOH, if all...
Forum: 2 Channel Audio   07-27-2014, 04:53 AM
Replies: 6
Views: 250
Posted By arnyk
You could start out by determining your actual...

You could start out by determining your actual power needs for quality sound. Interested?
Forum: Audio theory, Setup and Chat   07-26-2014, 05:25 PM
Replies: 24
Views: 520
Posted By arnyk
Having lived in Europe, the safety exposure is...

Having lived in Europe, the safety exposure is pretty obvious and has a strong potential for a bad accident. It's easy enough to mistakenly plug banana plugs into a wall socket and connect 240 VAC...
Forum: 2 Channel Audio   07-26-2014, 12:12 PM
Replies: 2
Views: 160
Posted By arnyk
The Kill-A-Watt is IME the go to tool for a low...

The Kill-A-Watt is IME the go to tool for a low priced but reliable and accurate meter of numerous parameters related to AC Power. Watts, Volt-amps, phase angle, voltage, frequency...

Some big box...
Forum: Audio theory, Setup and Chat   07-26-2014, 12:07 PM
Replies: 2,555
Views: 55,072
Posted By arnyk
I've usually watched TV for several hours before...

I've usually watched TV for several hours before the first time I log onto AVS every day...

Charlie Rose, NASCAR Race Hub, BBC news, the previous nights CBS national news, Bloomberg...
Forum: Audio theory, Setup and Chat   07-26-2014, 11:35 AM
Replies: 220
Views: 4,349
Posted By arnyk
Standard plot for the speaker. ...

Standard plot for the speaker.



Predicted based on simple electrical engineering calculations.



Is that based on emotion, intuition, measurements, or a detailed knowlege of electrical...
Forum: Audio theory, Setup and Chat   07-26-2014, 06:10 AM
Replies: 2,555
Views: 55,072
Posted By arnyk
Very true. I'll let their comments...

Very true.



I'll let their comments stand on their own without any interpretation from me. Right now the results seem to be spread over several threads even on different forums and mixed with...
Forum: Audio theory, Setup and Chat   07-26-2014, 05:46 AM
Replies: 2,555
Views: 55,072
Posted By arnyk
Also, still using obsolete test files.

Also, still using obsolete test files.
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