linear diver
Member
Hi everyone! I have been following ASR for a year or two, but this is my first post
ASR has inspired me to get more rigorous about the sound in my workspace. I have done some research, but since ‘I don’t know what I don’t know,’ I’m sure I've got a lots wrong! - Here is a log of my first steps in Improving (?) my acoustics with GLM and REW. I would appreciate any suggestions-corrections to my methodology.
Also, it won't hurt my feelings if folks have suggestions about posting photos and graphical data.
This is the REQ part of my story. It ends with graphs of my first measurements. I also include the .mdat file (I had to put it in a zip to attach it to this message). Next I'm going to go through the the same process with GLM. I can't wait to hear what you folks think of my start at acoustic measurement! -- Mike
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Starting from the beginning ...
I took as much treatment as possible out of my space. It is 19.5 ft x 19.5 ft with a 12.5 foot vaulted ceiling. The floor is Pergo-style flooring with one small rug. 50% of the walls/ceiling is drywall, 50% is pine boards (‘hippie strips’). A significant percentage of the walls is untreated glass. (see photo.)
My speakers are Genelec 8340A’s with GLM 4.1.2. I mostly listen through a UAD Apollo solo but I am using a Behringer UMC1820 for this series of tests.
The speakers are on SoundAnchor adjustable stands set at 51” (‘acoustic center midway between drivers’) This is my ear height for serious listening. Measurement mics are set at this level.
The speakers are at two vertices of an 84 inch equilateral triangle. The speakers are rotated 60 degrees.and are approx. 8 in from the front wall.
My Behringer 8000 mic regrettably bit the dust a couple years ago, so I am using an sE 8 small-diaphragm cardioid mic for REW and the Genelec mic for GLM.
For this series of tests, I am measuring the Right Speaker only, from the third apex of the triangle. The mic-speaker distance is 84 in. The cardioid mic is pointed at the Right speaker.
I started by resetting the speakers to their factory defaults. I created a new, blank, SAM file.
Now, for REW. I am using the UMC ASIO drive fro my UMC 1820 interface. I am set at 48kHz, CH 1 (sE8) in and CH 2 (REW gen) out.
I’m not calibrating my sound card or SPL meter for now.
So, ready to go with my first measurement!!!!!
….
To be continued ....
ASR has inspired me to get more rigorous about the sound in my workspace. I have done some research, but since ‘I don’t know what I don’t know,’ I’m sure I've got a lots wrong! - Here is a log of my first steps in Improving (?) my acoustics with GLM and REW. I would appreciate any suggestions-corrections to my methodology.
Also, it won't hurt my feelings if folks have suggestions about posting photos and graphical data.
This is the REQ part of my story. It ends with graphs of my first measurements. I also include the .mdat file (I had to put it in a zip to attach it to this message). Next I'm going to go through the the same process with GLM. I can't wait to hear what you folks think of my start at acoustic measurement! -- Mike
-------------------
Starting from the beginning ...
I took as much treatment as possible out of my space. It is 19.5 ft x 19.5 ft with a 12.5 foot vaulted ceiling. The floor is Pergo-style flooring with one small rug. 50% of the walls/ceiling is drywall, 50% is pine boards (‘hippie strips’). A significant percentage of the walls is untreated glass. (see photo.)
My speakers are Genelec 8340A’s with GLM 4.1.2. I mostly listen through a UAD Apollo solo but I am using a Behringer UMC1820 for this series of tests.
The speakers are on SoundAnchor adjustable stands set at 51” (‘acoustic center midway between drivers’) This is my ear height for serious listening. Measurement mics are set at this level.
The speakers are at two vertices of an 84 inch equilateral triangle. The speakers are rotated 60 degrees.and are approx. 8 in from the front wall.
My Behringer 8000 mic regrettably bit the dust a couple years ago, so I am using an sE 8 small-diaphragm cardioid mic for REW and the Genelec mic for GLM.
For this series of tests, I am measuring the Right Speaker only, from the third apex of the triangle. The mic-speaker distance is 84 in. The cardioid mic is pointed at the Right speaker.
I started by resetting the speakers to their factory defaults. I created a new, blank, SAM file.
Now, for REW. I am using the UMC ASIO drive fro my UMC 1820 interface. I am set at 48kHz, CH 1 (sE8) in and CH 2 (REW gen) out.
I’m not calibrating my sound card or SPL meter for now.
So, ready to go with my first measurement!!!!!
To be continued ....