Speaker Workshop - Pls Guide me through initial setup

HiFiNutNut · 18th November 2007, 08:21 PM

I have built Claudio's cable jig and am following closely the instructions from both Claudio's SW Tutorial and Unofficial SW Manual.

This was to generate a 1k sine wave for the sound card calibration. I have tried two sound cards: M-Audio Transit USB and SoundMax. Both cards had passed Sound Card Functionality Check, etc.

The problem is that comparing to the example in the Manual, my generated Test.in.l file always has clipped signals that won't start until after 19 ms. This happens to both sound cards. I have tried to reduce the "volume" setting with no effect.

What have I done wrong?

Thanks in advance.
Regards,
Bill

MJL21193 · 18th November 2007, 08:33 PM

Hi,
I use SW and built Eric Wallin's jig. He gives a pretty good tutorial on setting the levels here:
http://mysite.verizon.net/tammie_eri...level_set.html

Though written for the jig, it'll still work for Claudio's cable setup.

The fact that you are getting a signal (though clipped) means the cables are most likely correct.
As for the time delay, you'll need to adjust latency (I think). It's been about a year since I seriously used SW.

Dave Bullet · 18th November 2007, 08:49 PM

Likewise - been a few months since I did the calibration....

Don't worry about when the impulse starts. I dont' think that matters. For example - you just advance your marker for the measurements starting just prior to your impulse. Whether it happens at 1 msec o 19 msec is of no consequence.

I always set Speaker Workshop's volume in the options page to 100 - and vary the volume and wave settings in Windows to get the desired level.

Can you please post a screen shot of your soundcard mixer settings? (ie. volume and wave output and volume input) so we can see?

Thanks,
David.

Dave Bullet · 18th November 2007, 08:54 PM

Whe it comes to impedance measurements - I find I get the least noise using just sound card output at a 9K output level (ie. quite low mixer settings).

Let's get you below clipping first, then we'll see.

Jay Butterman's SW manual is very good at helping you calibrate / configure your PC for SW use. Just have to read it a few times over first.

Cheers,
David.

HiFiNutNut · 18th November 2007, 09:42 PM

Thanks, guys. I will give it another shoot tonight. I am at work at the moment. I think I will further lower the slides in the volume controls.

18th November 2007, 08:21 PM	#1
HiFiNutNut diyAudio Member Join Date: May 2004 Location: Sydney	Speaker Workshop - Pls Guide me through initial setup I have built Claudio's cable jig and am following closely the instructions from both Claudio's SW Tutorial and Unofficial SW Manual. This was to generate a 1k sine wave for the sound card calibration. I have tried two sound cards: M-Audio Transit USB and SoundMax. Both cards had passed Sound Card Functionality Check, etc. The problem is that comparing to the example in the Manual, my generated Test.in.l file always has clipped signals that won't start until after 19 ms. This happens to both sound cards. I have tried to reduce the "volume" setting with no effect. What have I done wrong? Thanks in advance. Regards, Bill

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18th November 2007, 08:33 PM	#2
MJL21193 Account disabled at member's request Join Date: Mar 2007	Hi, I use SW and built Eric Wallin's jig. He gives a pretty good tutorial on setting the levels here: http://mysite.verizon.net/tammie_eri...level_set.html Though written for the jig, it'll still work for Claudio's cable setup. The fact that you are getting a signal (though clipped) means the cables are most likely correct. As for the time delay, you'll need to adjust latency (I think). It's been about a year since I seriously used SW.

18th November 2007, 08:49 PM	#3
Dave Bullet diyAudio Member Join Date: Jan 2002 Location: Wellington, New Zealand	Likewise - been a few months since I did the calibration.... Don't worry about when the impulse starts. I dont' think that matters. For example - you just advance your marker for the measurements starting just prior to your impulse. Whether it happens at 1 msec o 19 msec is of no consequence. I always set Speaker Workshop's volume in the options page to 100 - and vary the volume and wave settings in Windows to get the desired level. Can you please post a screen shot of your soundcard mixer settings? (ie. volume and wave output and volume input) so we can see? Thanks, David.

18th November 2007, 08:54 PM	#4
Dave Bullet diyAudio Member Join Date: Jan 2002 Location: Wellington, New Zealand	Whe it comes to impedance measurements - I find I get the least noise using just sound card output at a 9K output level (ie. quite low mixer settings). Let's get you below clipping first, then we'll see. Jay Butterman's SW manual is very good at helping you calibrate / configure your PC for SW use. Just have to read it a few times over first. Cheers, David.

18th November 2007, 09:42 PM	#5
HiFiNutNut diyAudio Member Join Date: May 2004 Location: Sydney	Thanks, guys. I will give it another shoot tonight. I am at work at the moment. I think I will further lower the slides in the volume controls.

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