FreeCalypso > hg > themwi-system-sw
view mgw/dtmf_defs.h @ 126:815e4c59162e
mgw DTMF: tone definitions and sample array generation
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Sat, 01 Oct 2022 17:09:51 -0800 |
parents | |
children | 4b35a5a400f1 |
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/* * This header file holds various internal definitions for DTMF generation, * including key tunable settings of min and max DTMF duration. */ #define DTMF_MIN_FRAMES 10 /* 200 ms */ #define DTMF_MAX_FRAMES 60 /* 1200 ms */ struct dtmf_desc { int digit; float freq_low; float freq_high; int16_t *samples; };