sof/tools/tune/dmic
Seppo Ingalsuo da9e0d3c41 Tools: Tune: Add tool for DMIC FIR filters setup
This patch adds the the Matlab script dmic_init() that simulates
initialization of the Intel PDM digital microphones decimation
block. The tool computes the needed FIR filters and exports
them as C header files. The script dmic_batch computes all the
currently used decimation settings.

The generated header files from subdirectory include need to be
manually copied to src/include/sof/audio/coefficients/pdm_decim/
and the header file pdm_decim_table.h edited manually if the
header file names were changed due to different filter characteristic
(band frequencies, stop-band attenuation).

Signed-off-by: Seppo Ingalsuo <seppo.ingalsuo@linux.intel.com>
2020-11-20 11:42:24 +00:00
..
dmic_batch.m Tools: Tune: Add tool for DMIC FIR filters setup 2020-11-20 11:42:24 +00:00
dmic_fir.m Tools: Tune: Add tool for DMIC FIR filters setup 2020-11-20 11:42:24 +00:00
dmic_fir_export.m Tools: Tune: Add tool for DMIC FIR filters setup 2020-11-20 11:42:24 +00:00
dmic_init.m Tools: Tune: Add tool for DMIC FIR filters setup 2020-11-20 11:42:24 +00:00