Speaker workshop

Ilianh · 10th January 2003, 07:16 PM

First of all... Is it me? or the speakerworkshop interface is kindof... bad?

ok, thats not the point.
Today I was testing that app as ive heard good stuff about it.

When testing a driver, and I do a nearfield frequency response plot, the app makes a sound thats about one half of a second, and gives me some plot, I noticed the plot was about the same either I hold the mic in my hands, or i stick it 1 mm near the speaker,
yes, my mic is working
and yes, my card is full duplex
any ideas of whats going on?
All i want to do is measure the driver from 20hz to 20 khz!

daatkins · 10th January 2003, 09:07 PM

The Speaker Workshop UI does take a while to understand, but it does work well when you're familiar with the system.

As for your problem, I found a good way of checking signals is to create a new signal source:
Resource/New/Signal, call it TEST

then select:
Sound/Loop Record

Double click the files called TEST.IN.L and TEST.IN.R: LEFT should be the fixed reference level (a perfect sine wave), and RIGHT should be the microphone signal - the closer you move the mic to the speaker the larger this signal should be. If this doesn't work then try dicking around with Windows Play Control and Recording Control until you see a nice sine wave.

Nice one,
David.

daatkins · 10th January 2003, 09:11 PM

I forgot to mention that if your LEFT and RIGHT appear reversed then go to:
Optionns/Preferences/Acoustic...
then select MIC and REF as appropriate.

I recommend you do persevere with this software because it's fantastic when working!

Nice one,
David.

10th January 2003, 07:16 PM	#1
Ilianh diyAudio Member Join Date: Oct 2002 Location: Montreal, Canada	Speaker workshop First of all... Is it me? or the speakerworkshop interface is kindof... bad? ok, thats not the point. Today I was testing that app as ive heard good stuff about it. When testing a driver, and I do a nearfield frequency response plot, the app makes a sound thats about one half of a second, and gives me some plot, I noticed the plot was about the same either I hold the mic in my hands, or i stick it 1 mm near the speaker, yes, my mic is working and yes, my card is full duplex any ideas of whats going on? All i want to do is measure the driver from 20hz to 20 khz!

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10th January 2003, 09:07 PM	#2
daatkins diyAudio Member Join Date: Aug 2001 Location: Bath, UK	The Speaker Workshop UI does take a while to understand, but it does work well when you're familiar with the system. As for your problem, I found a good way of checking signals is to create a new signal source: Resource/New/Signal, call it TEST then select: Sound/Loop Record Double click the files called TEST.IN.L and TEST.IN.R: LEFT should be the fixed reference level (a perfect sine wave), and RIGHT should be the microphone signal - the closer you move the mic to the speaker the larger this signal should be. If this doesn't work then try dicking around with Windows Play Control and Recording Control until you see a nice sine wave. Nice one, David.

10th January 2003, 09:11 PM	#3
daatkins diyAudio Member Join Date: Aug 2001 Location: Bath, UK	I forgot to mention that if your LEFT and RIGHT appear reversed then go to: Optionns/Preferences/Acoustic... then select MIC and REF as appropriate. I recommend you do persevere with this software because it's fantastic when working! Nice one, David.