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Is there some documentation of this function / the math behind it? https://github.com/yoyololicon/golf/blob/52f50e7341f769d49e6bddbbe887c149c2b9a413/models/utils.py#L444-L460
I am trying to extend …
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Currently, high-order IIR filters are used for decimation and fractional octave filters, and they are implemented as brute-force filtering, whereas it is advised to use series of biquads to achieve mo…
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`sosfilter_c` gives wrong results when cascading multiple biquads. Some simple code to show:
```py
import numpy as np
from pyfilterbank.sosfiltering import sosfilter_c
from scipy.signal import s…
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I am trying to write IIR code for NEON. I am not able to properly vectorize the IIR biquad code.There is no normal IIR filter implemented in the library . The implemented Lattice IIR filter seems be …
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**Describe the bug**
Compiled SOF successfully with XCC toolchain RJ2024.3 from Cadence.
When trying to run an IIR test I get a `load/store error` on DSP:
```
*** Booting Zephyr OS build v3.7.0-rc…
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The existing implementation is still a little messy; previous attempts at improving things within the codebase have lead to some complexity that is probably not necessary, given that the project is mo…
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Attempting to use second order sections to filter measurements. Getting a mul! error.
sos = SecondOrderSections{Float64,Array{Float64,1}}
biquads –> Vector{Biquad{Float64}} with 21 elements
…
gnadt updated
7 months ago
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It would be great to have an Virtual EQ feature. Maybe similar to the add Filter function, but assignable to a measurement. 8-10 Biquads and/or FIR import?
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The library could do with a way of enforcing double word aligned inputs where double-word instructions such as LDD are used in implementation (eg `dsp_filters_biquads`)
The problem is that you migh…
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# Chore
## Describe the chore
I have successfully moved the Biquads DSP into one of my favourite C++ constructs - the auto-ranged 'for' loop - meaning that each audio block is now processed by a…