Tools: Test: Audio: Fix typos in tools/test/audio/*

This patch fixes the typos in audio test Matlab code.

Signed-off-by: Seppo Ingalsuo <seppo.ingalsuo@linux.intel.com>

tools/test/audio/src_test.m

@@ -11,7 +11,7 @@ function [n_fail, n_pass, n_na] = src_test(bits_in, bits_out, fs_in_list, fs_out
 % fs_out   - vector of rates out
 %
 % A default in-out matrix with 32 bits data is tested if the
-% paremeters are omitted.
+% parameters are omitted.
 %
 
 % SPDX-License-Identifier: BSD-3-Clause
@@ -386,7 +386,7 @@ end
 %  in the plot as additional freqiencies than main linear up sweep. The aliasing
 %  can be a line, few lines, or lattice pattern depending the SRC conversion
 %  to test. The main sweep line should be steady level and extend from near
-%  zero freqeuncy to near Nyquist (Fs/2).
+%  zero frequency to near Nyquist (Fs/2).
 
 function fail = chirp_test(t)
 

tools/test/audio/std_utils/fr_test_measure.m

@@ -3,7 +3,7 @@ function test = fr_test_measure(test)
 %% t = fr_test_measure(t)
 %
 % Measure frequency response from captured frequency sweep created by
-% fr_test_input() that sets most of the input struct fiels. The output
+% fr_test_input() that sets most of the input struct fields. The output
 % is read from file t.fn_out.
 %
 % The test criteria is defined with first three or four latter input

tools/test/audio/test_utils/load_test_output.m

@@ -61,7 +61,7 @@ else
 	out = [];
 end
 
-%% Exctract channels to measure
+%% Extract channels to measure
 scale = 1/2^(bits_out-1);
 lout = length(out);
 nx = floor(lout/test.nch);

tools/test/audio/test_utils/multitone.m

@@ -8,7 +8,7 @@ function x = multitone( fs, f, amp, tlength )
 % fs     - Sample rate
 % f      - Frequency (Hz)
 % a      - Amplitude (lin)
-% t      - Lenght in seconds
+% t      - Length in seconds
 %
 % Example:
 % x = multitone(48000, [997 1997], 10.^([-26 -46]/20), 1.0);

tools/test/audio/test_utils/sync_chirp.m

@@ -3,7 +3,7 @@ function [y, mark]= sync_chirp(fs, direction)
 %% [y, mark]= sync_chirp(fs, direction)
 %
 % Returns a chirp signal that can be used to mark end and beginning of audio
-% tests to syncronize input and captured output accurately.
+% tests to synchronize input and captured output accurately.
 %
 % Input
 % fs - sample rate