Recent content by linearphase

Fantastic-Agreed that live performance is the best reference as long as it is unamplified. My wife played in a symphony for 28 years and I recorded them for about half that time mostly use just 2 coincident mics and no processing. Where do you live? If you are interested perhaps I can suggest a...

If the system has flat response in the room at the listening position, you are absolutely correct. It will be quite harsh, fatiguing, and not at all natural sounding. The curve I have shown earlier is well proven to be very close to the correct target curve. This has been borne out again and...

All of the responses include factors of perceived clarity. Generally, the rank order effect, assuming good, well-recorded program material, is: 1. Speakers (magnitude response, total power response at MLP, non-linear distortion, transient response) 2. Room, treatment, setup 3. Everything...

I am responding to this simply because somebody or a bot sent this msg: If you get a minute and can jump in on this thread of the week, we'd love to hear your thoughts: Where Does Clarity Come From?: https://www.avnirvana.com/threads/where-does-clarity-come-from.15973/ In the past, I have...

How does this interface to REW? For example how does it tell REW it is in position to take a measurement?

Thank you kindly for your quick response. I spent the evening using the new features and must say once again you have outdone yourself! Well done!

I have REW 5.40 Beta 73 running on a Mac Mac. I cannot find the actions menu that used to appear on earlier versions, like 5.31.3, in the SPL/ALL SPL menus. Am I doing something wrong?

Might this be case of the signal source turned off or a open cable?

Perfect I have done this before with the RTA Function. I measured the noise floor outside the room first then set the SPL so that with noise on it was 10dB above that floor. It was loud but not loud enough to damage anything. Then I measured just inside the door and compared the curves. Next...

John, lacking a timing reference and just looking at the freq domain magnitude component how would you use waveform math to subtract the in room response and the outside the room response to determine transmission loss?

It really doesn’t matter as long as both speakers are the same. If it really bothers you just select invert in the gears menu dialog. Just curious why do you have the graph so compressed horizontally? That is not a very useful display for anything I am aware of.

Very nice room! Sounds like you have arrived at a good solution, congratulations!

That is very kind. Every speaker / room/ placement combination will produce different results and require different settings. When you say you are pointing the speaker 55cm outside of the MLP do you mean that a line that passes through the center of the tweeter is pointing that far outside the...

When the speakers are OUT IF PHASE the hole should be as “clearly defined” as possible. Because of the room and room treatment characteristics correct is hard to clearly define. This is a sensitive relative measurement. Maybe only 50% of the people can hear what is BEST, though most can hear...

The easiest way is to use an LCR meter like that described above. But you can do it cheaper. Do you have sound card? With that and REW you can measure impedance over the entire audio range and also meter Inductance , capacitance and resistance, impedance is really why you need to know. Just...