How to Tune a DSP - Page 3 - Car Audio | DiyMobileAudio.com | Car Stereo Forum

Reply
 
LinkBack Thread Tools Display Modes
Old 07-22-2015   #51
 
Member
Join Date: May 2015
Location: SoCal
Posts: 1,440

Thanks: 0
Thanked 1 Time in 1 Post
Rep Power: 69 Phil Indeblanc will become famous soon enoughPhil Indeblanc will become famous soon enoughPhil Indeblanc will become famous soon enoughPhil Indeblanc will become famous soon enoughPhil Indeblanc will become famous soon enoughPhil Indeblanc will become famous soon enough


iTrader: (0)



Default Re: How to Tune a DSP

And I used the 0 narrow so far for on axis like a few I have seen placing the mic around the headrest.

While sitting in the car (as I am a larger mass than other things in the car and I think I might make a sonic difference), I hold the mic at my mouth position, then left outer shoulder and then right.

But an Audio Pro told me to calibrate the dash drivers, tweeters in my situation (you might have mids in the dash).... from opposite sides of the driver I'm working on to get a better reading.

I think holding the mic, let alone moving it may introduce vibes and noise and kinda add things that I likely can ignore, but rather not include in the reading.
Phil Indeblanc is offline   Reply With Quote Quick reply to this message
Sponsored Links
Advertisement
 
Old 07-22-2015   #52
DIYMA 500 Club
 
Member
Join Date: Nov 2008
Location: Ashland, Pa
Age: 45
Posts: 889

Thanks: 0
Thanked 4 Times in 4 Posts
Rep Power: 143 lizardking will become famous soon enoughlizardking will become famous soon enoughlizardking will become famous soon enoughlizardking will become famous soon enoughlizardking will become famous soon enoughlizardking will become famous soon enough


iTrader: (26)



Default Re: How to Tune a DSP

I use the UMIK-1 and held it 90, 45 and 0 degrees. Measures the same. However, it does come with a 90 degree file to use with the NanoAVR.
lizardking is offline   Reply With Quote Quick reply to this message
Old 08-25-2015   #53
DIYMA 500 Club
 
CoLd_FuSiOn's Avatar
 
Newbie
Join Date: Jun 2012
Location: Lahore, Pakistan
Posts: 164

Thanks: 2
Thanked 8 Times in 5 Posts
Rep Power: 91 CoLd_FuSiOn will become famous soon enoughCoLd_FuSiOn will become famous soon enoughCoLd_FuSiOn will become famous soon enoughCoLd_FuSiOn will become famous soon enoughCoLd_FuSiOn will become famous soon enoughCoLd_FuSiOn will become famous soon enough


iTrader: (0)



Default Re: How to Tune a DSP

Quote:
Originally Posted by crackinhedz View Post
On/Off axis in regards to how you hold thd mic, or how the speaker is aiming?

I have a Dayton UMM, but not from Cross Spectrum so only the one cal file. Should I be pointing the tip of the mic in direction of the soundstage vs. Pointed up at the roof?
https://www.diymobileaudio.com/forum/...ur-system.html

You can see how you're supposed to position the mic,it's usually facing the windscreen.That's the exact reason why you got the 45 and 90 degree calibration file as microphones get directional in the higher frequencies.They are to compensate for that as in the car you're not measuring on axis.

CoLd_FuSiOn is offline   Reply With Quote Quick reply to this message
 
Old 1 Week Ago   #54
 
Newbie
Join Date: Jul 2013
Location: Florida
Posts: 187

Thanks: 0
Thanked 25 Times in 20 Posts
Rep Power: 79 rayray881 will become famous soon enoughrayray881 will become famous soon enoughrayray881 will become famous soon enoughrayray881 will become famous soon enoughrayray881 will become famous soon enoughrayray881 will become famous soon enough


iTrader: (1)



Default

Old post! I have a tuning question. After having everything time aligned, levels matched, and each side (l&r) eq’d to within 1 dB across the range, what do you do if the center image still pulls one way?
Adjust levels of independent drivers? Bandpass pink noise and further eq? I’ve read not to mess with time alignment once set. Any suggestions, thanks.
rayray881 is offline   Reply With Quote Quick reply to this message
Old 1 Week Ago   #55
 
Enthusiast
Join Date: Oct 2014
Location: Oregon
Posts: 3,126

Thanks: 88
Thanked 270 Times in 211 Posts
Rep Power: 95 Jscoyne2 has a spectacular aura aboutJscoyne2 has a spectacular aura aboutJscoyne2 has a spectacular aura aboutJscoyne2 has a spectacular aura aboutJscoyne2 has a spectacular aura aboutJscoyne2 has a spectacular aura aboutJscoyne2 has a spectacular aura aboutJscoyne2 has a spectacular aura about


iTrader: (7)



Default Re: How to Tune a DSP

Quote:
Originally Posted by rayray881 View Post
Old post! I have a tuning question. After having everything time aligned, levels matched, and each side (l&r) eq’d to within 1 dB across the range, what do you do if the center image still pulls one way?
Adjust levels of independent drivers? Bandpass pink noise and further eq? I’ve read not to mess with time alignment once set. Any suggestions, thanks.
Tune by what sounds best. Period.

Isolate a set of drivers. So both midbass. Or both midrange. Or both tweeters.

If those drivers are playing 2k and down. Focus on moving image with time alignment and a little bit of level changing

If 2k and up. Its pretty level dependent.

Sent from my XT1710-02 using Tapatalk
Jscoyne2 is offline   Reply With Quote Quick reply to this message
Old 1 Week Ago   #56
Upgrade Your Membership!
 
SkizeR's Avatar
 
Prisoner
Join Date: Apr 2011
Location: New York
Posts: 17,274

12V Company:
Apicella Auto Sound
Position:
Janitor

Thanks: 1,109
Thanked 1,736 Times in 1,208 Posts
Rep Power: 454 SkizeR has a reputation beyond reputeSkizeR has a reputation beyond reputeSkizeR has a reputation beyond reputeSkizeR has a reputation beyond reputeSkizeR has a reputation beyond reputeSkizeR has a reputation beyond reputeSkizeR has a reputation beyond reputeSkizeR has a reputation beyond reputeSkizeR has a reputation beyond reputeSkizeR has a reputation beyond reputeSkizeR has a reputation beyond repute


iTrader: (42)



Default Re: How to Tune a DSP

Quote:
Originally Posted by Jscoyne2 View Post
Tune by what sounds best. Period.

Isolate a set of drivers. So both midbass. Or both midrange. Or both tweeters.

If those drivers are playing 2k and down. Focus on moving image with time alignment and a little bit of level changing

If 2k and up. Its pretty level dependent.

Sent from my XT1710-02 using Tapatalk
This is pissing in the wind. If delays are set properly and your center image is still off, you should be using measurement and verify with ears to see if pairs of drivers are equal volume from side to side. More times than not, they may measure similar, but one side will be a bit louder when verified by ear. Use levels to adjust. Otherwise, you are just introducing comb filtering. If levels sound and measure right, you might want to revisit how you are setting delays, whether it means being more precise with the tape measure, or by using a tape measure from the get go instead of trying some random method you read on this site.

Just curious rayray, where does your center sound like it's coming from? In front of you? Center of the dash?

Sent from my SM-G975U using Tapatalk

SkizeR is offline   Reply With Quote Quick reply to this message
Old 1 Week Ago   #57
 
Newbie
Join Date: Aug 2018
Posts: 65


Thanks: 9
Thanked 3 Times in 3 Posts
Rep Power: 16 EmoJackson will become famous soon enoughEmoJackson will become famous soon enoughEmoJackson will become famous soon enoughEmoJackson will become famous soon enoughEmoJackson will become famous soon enoughEmoJackson will become famous soon enough


iTrader: (2)



Default Re: How to Tune a DSP

Quote:
Originally Posted by SkizeR View Post
This is pissing in the wind. If delays are set properly and your center image is still off, you should be using measurement and verify with ears to see if pairs of drivers are equal volume from side to side. More times than not, they may measure similar, but one side will be a bit louder when verified by ear. Use levels to adjust. Otherwise, you are just introducing comb filtering. If levels sound and measure right, you might want to revisit how you are setting delays, whether it means being more precise with the tape measure, or by using a tape measure from the get go instead of trying some random method you read on this site.

Just curious rayray, where does your center sound like it's coming from? In front of you? Center of the dash?

Sent from my SM-G975U using Tapatalk

I've tried several tuning methods and what I found that works best for me is:

1. Set T/A By Tape Measure.
2. Level Match all Left Side to Target Curve as Close as Possible.
3. EQ Left Side to match Target Curve.
4. Make the Left Side my new target curve and match the right to left.

Even then I find that I have to adjust the volume level of the left side slightly. Otherwise the vocals have an image directly in front of me, and not at the center of the dash.
EmoJackson is offline   Reply With Quote Quick reply to this message
Old 1 Week Ago   #58
 
Newbie
Join Date: Jul 2013
Location: Florida
Posts: 187

Thanks: 0
Thanked 25 Times in 20 Posts
Rep Power: 79 rayray881 will become famous soon enoughrayray881 will become famous soon enoughrayray881 will become famous soon enoughrayray881 will become famous soon enoughrayray881 will become famous soon enoughrayray881 will become famous soon enough


iTrader: (1)



Default

Skizer, I set ta by using a tape measure. Center image is a few inches to the left. This is a 3 way front stage. Midbass is crossed 80-200hz, midrange is 200-4khz, tweets 4-20khz. Sounds like a phase issue below 200hz, as I can add additional delay to the left midbass and image doesn’t move much to the right regardless. They are correct as far as polarity.
rayray881 is offline   Reply With Quote Quick reply to this message
Sponsored Links
Advertisement
 
Reply

Bookmarks

Quick Reply
Message:
Options

Register Now

In order to be able to post messages on the Car Audio | DiyMobileAudio.com | Car Stereo Forum forums, you must first register.
Please enter your desired user name, your email address and other required details in the form below.
User Name:
Password
Please enter a password for your user account. Note that passwords are case-sensitive.
Password:
Confirm Password:
Email Address
Please enter a valid email address for yourself.
Email Address:
Location
Where you live
First name
Last name
Do you work in the 12 Volt industry?
Do you work in the 12 Volt industry?
Youtube Channel
Enter Your Youtube Username, And It will Be Linked To In Your Posts!
12V Industry - Company Name
Your company name.
12V Industry - Your Position
Your position in your company.

Log-in



Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
Thread Tools
Display Modes

Posting Rules
You may post new threads
You may post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On


Powered by vBadvanced CMPS v3.2.3

All times are GMT -6. The time now is 11:27 PM.


Powered by vBulletin®
Copyright ©2000 - 2019, Jelsoft Enterprises Ltd.
Search Engine Optimization by vBSEO 3.6.0
Powered by vBadvanced CMPS v3.2.3
vBulletin Security provided by vBSecurity v2.2.2 (Pro) - vBulletin Mods & Addons Copyright © 2019 DragonByte Technologies Ltd.

Ad Management by RedTyger

Home | User CP | Members List | New Posts | ITrader | Faq | Post Spy