common code: Make preemphasis 0 dB @ 1000 Hz

2016-04-25 18:14:04 +02:00
parent 16acdbf59d
commit 0c99848120
2 changed files with 5 additions and 3 deletions
--- a/src/test/test_emphasis.c
+++ b/src/test/test_emphasis.c
@@ -52,6 +52,8 @@ int main(void)
 	emphasis_t estate;
 	int16_t samples[SAMPLERATE];

+	printf("1000 Hz shall be close to 0 dB, that is no significant change in volume.\n\n");
+
 	/* generate sweep 0..4khz */
 	gen_samples(samples);