From 69ccdb99b58387aa7264c6a45d8c7ad5eebc68d6 Mon Sep 17 00:00:00 2001 From: Andreas Eversberg Date: Wed, 11 May 2016 18:47:26 +0200 Subject: [PATCH] NMT: Calibration of tone levels on TX and RX side --- src/nmt/dsp.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/src/nmt/dsp.c b/src/nmt/dsp.c index 438f408..1033ed4 100644 --- a/src/nmt/dsp.c +++ b/src/nmt/dsp.c @@ -34,8 +34,8 @@ /* signalling */ #define TX_AUDIO_0dBm0 32767 /* works quite well */ -#define TX_PEAK_FSK 16384.0 /* peak amplitude of signalling FSK */ -#define TX_PEAK_SUPER 1638.0 /* peak amplitude of supervisory signal */ +#define TX_PEAK_FSK 10000.0 /* peak amplitude of signalling FSK */ +#define TX_PEAK_SUPER 1000.0 /* peak amplitude of supervisory signal */ #define BIT_RATE 1200 /* baud rate */ #define STEPS_PER_BIT 10 /* step every 1/12000 sec */ #define DIALTONE_HZ 425.0 /* dial tone frequency */