filterio.h File Reference

Plain-text serialisation of FilterKernel coefficient sets. More...

#include "dsp_global.h"
#include "filterkernel.h"
#include <QSharedPointer>
#include <QString>

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Classes
class	UTILSLIB::FilterIO
	Processes txt files which hold filter coefficients. More...

Namespaces
namespace	UTILSLIB
	Shared utilities (I/O helpers, spectral analysis, layout management, warp algorithms).

Detailed Description

Plain-text serialisation of FilterKernel coefficient sets.

SPDX-License-Identifier: BSD-3-Clause Copyright (c) 2026 MNE-CPP Authors

Author

Christoph Dinh chris.nosp@m.toph.nosp@m..dinh.nosp@m.@mne.nosp@m.-cpp..nosp@m.org

Since

2.0.0

Date

March 2026

FilterIO reads and writes the simple human-readable text format used by mne-cpp tooling to persist designed FIR / IIR coefficient sets: header lines carry the design parameters (filter type, design method, cutoff frequencies, transition bandwidth, sampling frequency, tap count), and the body holds the numerator (and, for IIR, denominator) coefficients one per line. This makes it trivial to inspect, version-control or hand- edit a filter without having to rerun the design step.

Only the kernel coefficients and their design metadata are stored — no runtime state, channel selection or overlap-add buffer is serialised.

Definition in file filterio.h.