Recent content by caseopia

Hi John i plan to do RTA for car audio purpose. Someone told me that i must play pink noise that also from REW to get better result. So my questions are: 1. What pink noise should i save? Random one or periodic 2. From default setting on REW if i use UMIK-1 as RTA microphone. What else should...

Thanks John this is new.Hope works for my case 👍

Yes i have tried using other cables and laptops. The problem only appear when i bring the laptop inside the car. Put it on my lap in driver seat and start tuning using UMIK-1 and REW.Everything goes completely normal at first 1 hour. After that REW always told to restart the program since UMIK-1...

Been tried that solution too John. But nothing works, it begin to keep disconnecting after i run RTA on REW about 20 minutes or more inside the car. But when i put my laptop on bedroom desk and do same RTA with REW. The problem solved as it goes normal

As my thread title. I experienced a non pleasant while working with REW. As i did RTA it keep noticing me that UMIK-1 no longer connect.And told me to close REW and re-open REW.Why this is happen? I already try to check control panel to see if my USB laptop that cause trouble.But everything...

Ok let me type one by one and please correct me if my understanding are wrongs: 1. open REW and connect the UMIK-1 as usual 2. click generator icon on top right of the REW screen then choose sweeps box + measurement box under it 3. click save to file on bottom of the screen and click WAV...

Yes John been read it plenty of times and still don't get it the part after i play on my head unit. How to capture the sound with REW on other laptop? And how i get value (timing ref trim) to fill in the red box i attach?

Then no different since i cannot get the impulse result from my speakers because i cannot connect any cable to the car player (head unit) with no aux input

Thank you sir for your guidance. My brain cannot catch after i play with head unit. I mean how to capture measurement on other laptop using REW and umik-1? Use record on RTA or how? Thank you beforehand

Oh i get it it's called offline measurement? Problem that i don't get it is how to record the file from my system?Using a recorder from my android phone or what

Hi John need a help here. Normally we used a 3,5mm to rca cable for transmit sweep signal from REW to any DSP for car audio measurement. Question is if the DSP only provide high level (18 pin socket) to original car audio head unit (which no AUX input). How to transmit REW sweep signal to...

Been trying to find how to make that graph on green arrow appear on my REW display.Can someone tutor me?Thank you

Yes since all cars in my country were right side driver. It will be subwoofer or Left midbass As timing reference. And yes i just plan to use acoustic timing reference with REW and UMIK-1 But still confuse on RTA of my tweeters. The curve still won't drop under 100 Hz Yet i change with other...

It was failed.I'm trying to measure using your method.But my dsp won't connect to my laptop.Seems need to start over with the installation from basic.

Yes John, V5.20.14 great.My pink noise measurement graph back normal. Thanks