Re: Visir FIR as IIR Filter = No GFX Card or DSP Card Needed (Supporting Fair Pay Philosophy and Low Jitter)

["Ywe Cærlyn" <yn@bitvisir.nu>]

Updated gfx to indicate modification of Stack to run Visir filters via 
Cache.

https://bitvisir.nu/Visir_3-Bit_D_A.png


Den 30.09.2026 11:35, skrev Ywe Cærlyn:
> ASCII gets kind of poor on this one really.
> 
> Rather see: https://bitvisir.nu/Visir_3-Bit_D_A.png
> 
> Serenity.
> 
> Den 30.09.2026 11:04, skrev Ywe Cærlyn:
>> Example:
>>
>> Visir FIR as IIR filter (fast):
>>
>> - Anisotropic (Can be run via Cache, for GFX Card alleviation)
>>    6 point, lod bias included, optimized for retina and fair pay 
>> politics.
>> - RMS (Can be run via Cache, for DSP Card alleviation)
>> - Constant-Q 24 dB Analog (Can be run via Cache, for DSP Card 
>> alleviation)
>> - Resampling (Can be run via Cache, for DSP Card alleviation)
>>    24 point, optimized for ear and fair pay politics.
>>
>> buf1 = buf1 + ( - (buf01 * cut));
>> buf2 = buf2 + ( - (buf02 * (cut / 1.3)));
>> buf3 = buf3 + ( - (buf03 * ((cut / 1.3)/1.3))));
>>
>> double fil = buf1 - buf2 + buf3;
>>
>> ..negative "pole" gives a zero.
>>
>> Serenity.
>> https://bitvisir.nu/
>>
>>
>> Den 30.09.2026 10:39, skrev Ywe Cærlyn:
>>> IIR version (fastest) can also be modified for impulse response decay 
>>> optimized for zoom.
>>>
>>>  >>> mid pole negative in sum (making a zero).
>>>
>>> Den 30.09.2026 10:36, skrev Ywe Cærlyn:
>>>> 6 point anisotropy I think, lod bias in it. Perfect for Retina, 4k 
>>>> w/ rYb pixel, 72,7 minimal psychovisual noise refresh rate.
>>>>
>>>> Serenity.
>>>>
>>>> Den 29.09.2026 05:42, skrev Ywe Cærlyn:
>>>>> Here is some graphics on that one aswell: https://bitvisir.nu/ 
>>>>> Visir_3- Bit_D_A.png
>>>>>
>>>>> Den 29.09.2026 03:52, skrev Ywe Cærlyn:
>>>>>> Visir 24dB -
>>>>>> constitutes RMS, Constant-Q, Anisotropic in one filter.
>>>>>> 3 poles, 1.3 cut down pr pole
>>>>>> last pole negative in sum
>>>>>> IIR typically for Constant-Q (minphase analog) FIR other.
>>>>>>
>>>>>> Used via Cache, should abolish the use of GFX Card, and DSP card.
>>>>>>
>>>>>> This is part of supporting my work with Fair Pay Philosophy Unity 
>>>>>> and Low Jitter, for ITS.
>>>>>>
>>>>>> Serenity!
>>>>>> https://bitvisir.nu/
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>
>>>>
>>>
>>
>