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C-Netz: Use emphasis with 200 uS time constant

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This commit is contained in:
Andreas Eversberg
2016-10-23 08:46:05 +02:00
parent 8864db8269
commit 1ea95de120
6 changed files with 17 additions and 12 deletions
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4
src/test/test_emphasis.c
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@@ -11,7 +11,7 @@
#define SAMPLERATE 48000
#define DEVIATION 8000.0
static double test_freq[] = { 25, 50, 100, 150, 200, 250, 300, 350, 400, 500, 1000, 2000, 4000, 0 };
static double test_freq[] = { 25, 50, 100, 200, 250, 300, 400, 500, 1000, 2000, 4000, 0 };
static void check_level(int16_t *samples, double freq, const char *desc)
{
@@ -55,7 +55,7 @@ int main(void)
printf("1000 Hz shall be close to 0 dB, that is no significant change in volume.\n\n");
init_emphasis(&estate, SAMPLERATE);
init_emphasis(&estate, SAMPLERATE, CUT_OFF_EMPHASIS_DEFAULT);
for (i = 0; test_freq[i]; i++) {
gen_samples(samples, test_freq[i]);