[008]

Wondering what test disks everyone is using for setting speaker levels. I'm using HD video essentials and don't find it particularly user friendly.

Any thoughts ?

[paulst10]

Does your processor have internal test tones ?

[mikim]

There are many...

I have used these in the past:

DVE HD Basics - Video & Audio Calibration (Bluray) or there is a DVE DVD too.

If you like Pink Floyd, the Pulse DVD has a handy setup utility too

[008]

Originally Posted by mikim

There are many...

I have used these in the past:

DVE HD Basics - Video & Audio Calibration (Bluray) or there is a DVE DVD too.

If you like Pink Floyd, the Pulse DVD has a handy setup utility too

Originally Posted by paulst10

Does your processor have internal test tones ?

Hi Paul
Im using a PS3 with a Lexicon MC12. I find the levels especially with the sub are different by quite a margin when compared to the internal test tones

[ralphmalph]

There are some here.

AUDIONET - Man höre und staune

[Mark.Yudkin]

A downloadable CD for configuring low frequency response and crossover is RealTraps - Test Tone CD.

[paulst10]

Originally Posted by 008

Hi Paul
Im using a PS3 with a Lexicon MC12. I find the levels especially with the sub are different by quite a margin when compared to the internal test tones

Maybe the test tones on the cd are of different frequency to those in the processor ? and if you don't have a flat responce from your subwoofer then this is highlighting the difference in SPL

[Berties]

I've got a Lexicon, found internal tones to be ok to calibrate with. Sub does seem a bit hot, so either calibrate that to 72dB, or to 75dB then reduce by 3dB in that sound mode if you find it too loud. Logic 7 does seem to have more bass to the sub than straight stereo for example.

[008]

Originally Posted by paulst10

Maybe the test tones on the cd are of different frequency to those in the processor ? and if you don't have a flat responce from your subwoofer then this is highlighting the difference in SPL

I thought Pink noise on all test tones where the same but perhaps set at different volume levels eg HD essentials is set at 75db If that is not the case how can I know which test tones are the most accurate to calibrate the system ?

[Mark.Yudkin]

I thought Pink noise on all test tones were the same but perhaps set at different volume levels eg HD essentials is set at 75db If that is not the case how can I know which test tones are the most accurate to calibrate the system ?

The "trouble" with calibrating using pink noise is that it's not a pure single frequency, but a range of frquencies with the property that each octave (frequencies from f to 2f) carries an equal amount of noise power (making it logarithmic).

It's preferable to use a test disk having a wide range of pure frequencies, such as the one I referenced - that way you can concentrted on one measurement of one frequency at any one time. That link also indicates how to use the disk in calibration. It will take you a while to do properly, of course.

The test tones in the processor are there to allow you to set the speaker levels, they work by bypassing the volume control. They are not designed for use in subwoofer, crossover and room setup.