What is . .

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brummer

What is . .

Postby brummer » Fri Apr 22, 2011 5:38 pm

the highest frequency you can hear ?

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GarryO
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Re: What is . .

Postby GarryO » Fri Apr 22, 2011 6:50 pm

Now that's an interesting question, Brummer!
Using signalgen, I found I could just hear 16000 Hz ( signalgen -s 48000 sine 16000 ) with my audio system running at normal listening levels. At frequencies above that I needed to increase the gain to be able to hear it. At 18000 Hz I could hear nothing even at high gain.
I discovered one thing in this test: the very high frequency response of my AKG headphones is rather better than that of my Alesis monitors.

So what was your result, and why do you ask?

regards, G.

brummer

Re: What is . .

Postby brummer » Sat Apr 23, 2011 4:24 am

Hi Garry

Thanks for answer, yea I wont to improve a distortion unit, therefore I wont to clip high frequency before running
the unlinear algo. I'm just unsure at what level adjust the lowpass.

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spm_gl
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Re: What is . .

Postby spm_gl » Sat Apr 23, 2011 8:21 am

I'd suggest 15kHz, simply because that is the maximum frequency of fm radio broadcast.
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brummer

Re: What is . .

Postby brummer » Fri Apr 29, 2011 7:48 pm

Good point, :)
I use now a lowpass(2.order) (15000hz), highpass(1.order)(31hz) before the distortion, and a lowpass(1.order) (6531hz) afterwards, that suits perfect my needs.


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