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might you please to help to decrease via dsp software twitters trebles?

Mantra

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Hi
on of my amp has a treble control (15 kHz) , and since i use several speakers (and different amp) , i don't like to increase/decreae the treble control everytime I want to play my amp for example everytime i change bookshelf speakers or floorstanding speakers , even it's enough a slightly decrease of the treble knob

I have used eq apo for some audio applications ,and musicbee and foobar2000 buld in Eq (15 bands ) with wasapi and asio
I have really wasted weeks to decrease these twitters trebles , using apo or an audio player dps eq , but i was able to do it

just because if i decrease several bands the sound become dull , I have started to decrease the 15 kHz slowly and after even more and nothing and after i have decrease from 125 to 18k with musicbee in foobar from 880 to 20k

might you please give me some feedbacks?
thanks
 
Try measuring your in-room response with something like a miniDSP UMIK-1.

Makes correcting the treble way easier and faster.

To check the results, playing Pink Noise is very useful.
 
Try measuring your in-room response with something like a miniDSP UMIK-1.

Makes correcting the treble way easier and faster.

To check the results, playing Pink Noise is very useful.
hi
i haven't a mic
but is there a range of frequencies between an amp treble control (15 kHz) and an EQ dsp?
thanks
 
you can connect an amplifier to output 1 and 2 and the second to 3 and 4. This is just an example using miniDSP but there are other DSPs that you can use just as well.
 

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but is there a range of frequencies between an amp treble control (15 kHz) and an EQ dsp?
I don't understand the question.

With DSP, you can choose the exact frequency, e.g. 16 731.4Hz
There are no limits.
 
I don't understand the question.

With DSP, you can choose the exact frequency, e.g. 16 731.4Hz
There are no limits.
hi
might you please add a screenshot to how reduce the amp treble control (15 kHz) with an eq dsp ?
some screenshots , but they don't work very well , i can reduce the speaker twitters treble but the audio sounds dull and i have played with the eq so many times

thanks


WoUjNFN.png


CLxHUaO.png



SEnHJ9m.png
 
some screenshots , but they don't work very well , i can reduce the speaker twitters treble but the audio sounds dull and i have played with the eq so many times
As I said, use a measurement microphone.

Tuning by ear is much more difficult, time-consuming, and with often suboptimal results.
 
everytime I want to play my amp for example everytime i change bookshelf speakers or floorstanding speakers , even it's enough a slightly decrease of the treble knob
I don't understand. You are willing to go through the hassle of switching between one pair of speakers and another pair of speakers, yet turning the knob slightly is too much effort.

I recommend getting ONE good pair of speakers and setti them up properly. The money saved through not wasting money on more than one pair could be spent on a UMIK 1 and then maximizing setup.
 
hi
might I know what software is it?
thanks
I don't understand. You are willing to go through the hassle of switching between one pair of speakers and another pair of speakers, yet turning the knob slightly is too much effort.

I recommend getting ONE good pair of speakers and setti them up properly. The money saved through not wasting money on more than one pair could be spent on a UMIK 1 and then maximizing setup.
hi
but with a mic i can setup and use apo eq but not other eq like musicbee or foobar2000 eq , and i use wasapi exlusive
thanks
 
hi
but with a mic i can setup and use apo eq but not other eq like musicbee or foobar2000 eq , and i use wasapi exlusive
thanks
A few things worth unpacking:

Foobar2000 supports Math Audio Room EQ plugin, which is free and can take the results from a measurement microphone.

Such an approach will let you use WASAPI or ASIO exclusive!

I don't think there's an inbuilt PEQ plugin for MuscBee that accepts measurements.

But, if you have used Equaliser APO to turn off all windows enhancements, using nonexclusive mode will be audibly indistinguishable from exclusive mode, which also allows you to import microphone measurements thereby fixing your twitter trebles by buying one good pair of speakers, measuring them in your room and EQing them correctly
 
hi
might I know what software is it?
thanks

hi
but with a mic i can setup and use apo eq but not other eq like musicbee or foobar2000 eq , and i use wasapi exlusive
thanks
You can measure using REW, compute a correction EQ preset using REW, then copy the EQ values into whatever PEQ software you have access to.

MusicBee does not have PEQ built-in natively, but you can add it via VST plugin.
 
As my friend writes, staticV3 can be used with any program that can do this, and the list of preamplifiers supported by REW is in the RWE program. My print is a miniDSP that is no longer produced. Visit their website and there are many interesting and better offers to replace old equipment.
 
But, if you have used Equaliser APO to turn off all windows enhancements, using nonexclusive mode will be audibly indistinguishable from exclusive mode, which also allows you to import microphone measurements thereby fixing your twitter trebles by buying one good pair of speakers, measuring them in your room and EQing them correctly
hi
if i turn off all windows enhancements , Equaliser APO won't work
thanks
You can measure using REW, compute a correction EQ preset using REW, then copy the EQ values into whatever PEQ software you have access to.

MusicBee does not have PEQ built-in natively, but you can add it via VST plugin.
As my friend writes, staticV3 can be used with any program that can do this, and the list of preamplifiers supported by REW is in the RWE program. My print is a miniDSP that is no longer produced. Visit their website and there are many interesting and better offers to replace old equipment.
hi
i have used foobar2000 eq and i have lowered all the the eq bars to 0 , but i can hear lightly hum from the twitters with an amp
but if i slowly lower the treble knob treble control (15 kHz) (let's say almost in the middle ) , the hum of the twittters do disapear
i really don't understand , cables are ok , with a different amp it doesn't create any slightly noise
to listen the noise i have to put my ear on the twitters
i think the foobar2000 eq is unless in these case
thanks
 
hi
if i turn off all windows enhancements , Equaliser APO won't work
thanks


hi
i have used foobar2000 eq and i have lowered all the the eq bars to 0 , but i can hear lightly hum from the twitters with an amp
but if i slowly lower the treble knob treble control (15 kHz) (let's say almost in the middle ) , the hum of the twittters do disapear
i really don't understand , cables are ok , with a different amp it doesn't create any slightly noise
to listen the noise i have to put my ear on the twitters
i think the foobar2000 eq is unless in these case
thanks
In common usage to describe noise, "hum" usually is applied to the kinds of noise you get at mains frequencies and their harmonics e.g. 50 or 60Hz and 100 or 120Hz. Think of a male singer singing as low as they can: "hhhhuummmmmmmmm".

As a rule then, you will be unlikely to hear hum from your twitters. Hum almost always can only be heard in bass or bass/mid drivers.

You are more likely to hear "hhhiiizszszsz" noises from the twitters.
 
You are more likely to hear "hhhiiizszszsz" noises from the twitters.
hi
yes i can hear "hhhiiizszszsz" noises ,only if i put / lean my ear on the speakers twitters
but if i move slightly the treble knob counterclockwise (let's say 1 millimeter) , i can't hear it anymore
but i used the foobar2000 and musicbee EQ build in and decrease all the bands ,but it doesn't remove this noise
can't understand why?
thanks
 
hi
yes i can hear "hhhiiizszszsz" noises ,only if i put / lean my ear on the speakers twitters
but if i move slightly the treble knob counterclockwise (let's say 1 millimeter) , i can't hear it anymore
but i used the foobar2000 and musicbee EQ build in and decrease all the bands ,but it doesn't remove this noise
can't understand why?
thanks
If you hear that "hhhiiizszszsz" noise all the time, even if you turn the volume down or adjust the treble control, you are hearing the power amplifier's self-noise. It's not coming from your content or your source.

All electronic devices generate self-noise at room temperature. Some are noisier than others. My current Class D amplifier is quieter than the Class A/B that preceded it.

If you can only hear it with your ear pressed against the tweeter, you are OK
 
If you hear that "hhhiiizszszsz" noise all the time, even if you turn the volume down or adjust the treble control, you are hearing the power amplifier's self-noise. It's not coming from your content or your source.

All electronic devices generate self-noise at room temperature. Some are noisier than others. My current Class D amplifier is quieter than the Class A/B that preceded it.

If you can only hear it with your ear pressed against the tweeter, you are OK
hi Max
If you hear that "hhhiiizszszsz" noise all the time, even if you turn the volume down or adjust the treble control
i can't hear at all decreasing less than 1 millimeter the treble control
If you can only hear it with your ear pressed against the tweeter, you are OK
yes i can hear only if i press my ear against the tweeter

may i ask you why have you choosen a class D and not a/b?
and may i ask you which eq do you use since your nickname?
thanks and I appreciate your help
 
Last edited:
may i ask you why have you choosen a class D and not a/b
The current state of the art in terms of performance.
and may i ask you which eq do you use?
For main speaker listening (no computer is used) I use the filters in the ADI 2 PRO FS R BE.

For desktop (headphones) I use Foobar2K with the Math Audio plugin.
 
but i used the foobar2000 and musicbee EQ build in and decrease all the bands ,but it doesn't remove this noise
can't understand why?
Because the noise is generated in the analog electronics following the digital equalization (and after any digital volume adjustment). The EQ will only affect what's in the recording. (Sometimes there is noise in the recording but it will stop when you stop or pause playback.)

As MaxwellsEQ says, all (analog) electronics generate SOME noise and the goal is that it be inaudible (with normal listening). The audibility depends on the amplification, how close you are to the speakers, how sensitive your speakers/headphones are, and how quiet your room is.
 
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