FreeCalypso > hg > gsm-codec-lib
view libgsmefr/dtx_defs.h @ 454:4b6fa53a8240
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author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Fri, 10 May 2024 06:19:24 +0000 |
parents | c1d53064b410 |
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/* * The definitions contained in this header file originally lived in * dtx.c; they are being factored out into a new header file as part of * splitting of dtx.c code into common, encoder-only and decoder-only * parts. */ /* Inverse values of DTX hangover period and DTX hangover period + 1 */ #define INV_DTX_HANGOVER (0x7fff / DTX_HANGOVER) #define INV_DTX_HANGOVER_P1 (0x7fff / (DTX_HANGOVER+1)) #define NB_PULSE 10 /* Number of pulses in fixed codebook excitation */ /* Constant DTX_ELAPSED_THRESHOLD is used as threshold for allowing SID frame updating without hangover period in case when elapsed time measured from previous SID update is below 24 */ #define DTX_ELAPSED_THRESHOLD (24 + DTX_HANGOVER - 1)