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Tools: Test: Audio: In SRC THD+N test apply standard low pass 

This patch applies for conversions where Nyquist rate allows
a 20 kHz low-pass filter as specified in AES17 standard (test.fu).
The sweep test is set no higher than 20 kHz (test.f_end).

Signed-off-by: Seppo Ingalsuo <seppo.ingalsuo@linux.intel.com>
This commit is contained in:
Seppo Ingalsuo 2022-11-07 19:54:02 +02:00 committed by Liam Girdwood
parent 4d35480c64
commit 044d0b208d
1 changed files with 2 additions and 2 deletions
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4
tools/test/audio/src_test.m
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@ -262,8 +262,8 @@ end
prm = src_param(t.fs1, t.fs2, test.coef_bits); prm = src_param(t.fs1, t.fs2, test.coef_bits);
test.f_start = 20; test.f_start = 20;
test.f_end = prm.c_pb*min(t.fs1, t.fs2); test.f_end = min(prm.c_pb * min(t.fs1, t.fs2), 20e3);
test.fu = prm.c_pb * t.fs2; test.fu = min(prm.c_pb * t.fs2, 20e3); % AES17 5.2.5 standard low pass as 20 kHz
%% Create input file %% Create input file
test = thdnf_test_input(test); test = thdnf_test_input(test);