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Forum: Speakers   09-19-2014, 07:55 PM
Replies: 113
Views: 4,006
Posted By Okv
And there is a reason for this. While the...

And there is a reason for this.
While the (conventional) multi-sub approach can improve consistency across the listening area and get rid of nulls, it only takes into consideration the sound...
Forum: Subwoofers, Bass, and Transducers   08-26-2014, 04:36 PM
Replies: 3
Views: 169
Posted By Okv
This increases the acoustic damping in the port,...

This increases the acoustic damping in the port, reducing the output from the port and the speaker at lower frequencies, which can be perceived as "better" bass because the overall output is reduced.
Forum: Subwoofers, Bass, and Transducers   08-24-2014, 11:34 AM
Replies: 413
Views: 17,558
Posted By Okv
I must admit I lean towards the same conclusion. ...

I must admit I lean towards the same conclusion.
Producing something useful at, say, 10hz requires very high output.

But the resonance frequency of the floor can have great significance, if you...
Forum: Speakers   08-24-2014, 09:28 AM
Replies: 6
Views: 376
Posted By Okv
http://www.kvalsvoll.com/Articles/AudioCalculators...

http://www.kvalsvoll.com/Articles/AudioCalculatorspl.htm

This will calculate all you want to know about spl and power for loudspeakers.

Just keep in mind that even though the calculator is...
Forum: Subwoofers, Bass, and Transducers   08-22-2014, 02:19 PM
Replies: 413
Views: 17,558
Posted By Okv
If that was the question, then no, unless...

If that was the question, then no, unless listening at reduced spl, where a small amount of increase in overall bass level may be appropriate.
With a flat, or rather, controlled, response across...
Forum: Subwoofers, Bass, and Transducers   08-22-2014, 10:40 AM
Replies: 413
Views: 17,558
Posted By Okv
Your excellent post is a very good description on...

Your excellent post is a very good description on thew subject.

The only small detail I don't agree upon is that only very few people appreciate this very low freq content.
When playing demos...
Forum: Subwoofers, Bass, and Transducers   08-22-2014, 10:13 AM
Replies: 413
Views: 17,558
Posted By Okv
Loudness-curves will not have significance once...

Loudness-curves will not have significance once you play at the same loudness level, and that is one of the easiest things to accomplish.

Other factors will most certainly also influence the...
Forum: Subwoofers, Bass, and Transducers   08-22-2014, 10:02 AM
Replies: 413
Views: 17,558
Posted By Okv
Just my way of saying I am looking forward to...

Just my way of saying I am looking forward to read you posts, you mentioned something about continuing your conversation with the industry professional person, and I thought it would be nice to know...
Forum: Subwoofers, Bass, and Transducers   08-21-2014, 09:09 PM
Replies: 413
Views: 17,558
Posted By Okv
By comparing full-range vs filtered I believe the...

By comparing full-range vs filtered I believe the difference will be very easy to hear for most people, even though it still will be subjective, I also believe the full-range will be preferred by a...
Forum: Subwoofers, Bass, and Transducers   08-21-2014, 07:13 PM
Replies: 413
Views: 17,558
Posted By Okv
Yes, great stuff, and to some degree it explains...

Yes, great stuff, and to some degree it explains why most sound tracks sounds like they do.

Because here you have a great potential for improvement, and all who have built their systems with...
Forum: Latest Industry News   08-18-2014, 07:29 AM
Replies: 512
Views: 18,972
Posted By Okv
Thank you for a very informative review of the...

Thank you for a very informative review of the Atmos, I was looking forward to reading a more balanced impression on this.

I also note that there are several sound-related issues that keeps...
Forum: DIY Speakers and Subs   08-12-2014, 02:49 PM
Replies: 1,114
Views: 39,743
Posted By Okv
If there is a large gap just filled with...

If there is a large gap just filled with insulation this could act like a damped port.

If you seal the (intended) ports, you can measure the drivers near-field to see if they have a tendency to...
Forum: DIY Speakers and Subs   08-12-2014, 02:42 PM
Replies: 1,114
Views: 39,743
Posted By Okv
That is actually a very good possibility, the...

That is actually a very good possibility, the chamber needs to be perfectly sealed - part from the ports - or else it will not work as predicted.
A way to measure that could be to measure the port...
Forum: DIY Speakers and Subs   08-12-2014, 02:35 PM
Replies: 1,114
Views: 39,743
Posted By Okv
Looks like you will need quite large towels..

Looks like you will need quite large towels..
Forum: DIY Speakers and Subs   08-12-2014, 02:32 PM
Replies: 1,114
Views: 39,743
Posted By Okv
To compare sealed and ported frequency response...

To compare sealed and ported frequency response you could measure first ported, assuming that's what you have now, and then measure sealed, with exactly same mic pos and eq and level, to get...
Forum: Audio theory, Setup and Chat   08-02-2014, 04:35 PM
Replies: 65
Views: 1,975
Posted By Okv
I believe the time span you are referring to is 1...

I believe the time span you are referring to is 1 minute, not 1 hour, my plot only has a total time span of a few minutes.

If I was playing the music you plottet it is quite likely I would also...
Forum: Audio theory, Setup and Chat   08-02-2014, 12:56 PM
Replies: 65
Views: 1,975
Posted By Okv
Was just going to post a graph to show the...

Was just going to post a graph to show the difference between rms and peak levels, but you beat me to it, RayDunzl.
Nice plot, by the way.

I guess it can not hurt to plot one more of these,...
Forum: Audio theory, Setup and Chat   08-02-2014, 09:09 AM
Replies: 65
Views: 1,975
Posted By Okv
I already tried to describe what I mean by level...

I already tried to describe what I mean by level and calibration and how this applies to any digital source material, may be we just misunderstand each other, or perhaps my description was badly...
Forum: Audio theory, Setup and Chat   08-02-2014, 08:49 AM
Replies: 65
Views: 1,975
Posted By Okv
This is of course very true - different inputs...

This is of course very true - different inputs may not be calibrated at the same level.
Using the master volume setting as reference for approximate spl will only work when the actual source in use...
Forum: Audio theory, Setup and Chat   08-01-2014, 04:42 PM
Replies: 65
Views: 1,975
Posted By Okv
Wrong. In a level calibrated system 0dBFS...

Wrong.

In a level calibrated system 0dBFS digital equals a predefined (105dB for 0dBFS) spl, and all digital signal sources, including music, will now play at a predictable spl, does not matter...
Forum: Audio theory, Setup and Chat   08-01-2014, 01:46 PM
Replies: 65
Views: 1,975
Posted By Okv
I like to listen loud, like having a concert at...

I like to listen loud, like having a concert at home, but I also limit the time for this kind of listening.
Then I can have half an hour or so of great experience, and then go do something else, or...
Forum: Audio theory, Setup and Chat   08-01-2014, 12:29 PM
Replies: 14
Views: 521
Posted By Okv
Dialogue. According to above posts, general...

Dialogue.

According to above posts, general consensus seems to be that dialogue can be hard to understand sometimes.
Not necessarily something experienced first hand, but rather looks like "all...
Forum: Audio theory, Setup and Chat   08-01-2014, 11:31 AM
Replies: 14
Views: 521
Posted By Okv
Many good points here, from all. Sound...

Many good points here, from all.

Sound design is artistic, and of course there has to be room for different ways to implement it, according to how the producer or sound designer wants it to be. ...
Forum: Audio theory, Setup and Chat   07-31-2014, 05:44 PM
Replies: 14
Views: 521
Posted By Okv
Might be you are shooting in the wrong direction...

Might be you are shooting in the wrong direction here, Arny, as I believe we share the same opinion about lossless and bit-resolution.
I have briefly watched some of the hi-res threads going on,...
Forum: Audio theory, Setup and Chat   07-31-2014, 11:31 AM
Replies: 14
Views: 521
Posted By Okv
If you listen at a lower spl, say -30dB, then...

If you listen at a lower spl, say -30dB, then this will be very different from listening at louder levels, say 0dB.
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