diff --git a/tools/test/audio/src_test.m b/tools/test/audio/src_test.m
index e0b38adb8..4c9af2b93 100644
--- a/tools/test/audio/src_test.m
+++ b/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)
 
diff --git a/tools/test/audio/std_utils/fr_test_measure.m b/tools/test/audio/std_utils/fr_test_measure.m
index c884cebaa..90d520705 100644
--- a/tools/test/audio/std_utils/fr_test_measure.m
+++ b/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
diff --git a/tools/test/audio/test_utils/load_test_output.m b/tools/test/audio/test_utils/load_test_output.m
index a85d67035..79eafd9f3 100644
--- a/tools/test/audio/test_utils/load_test_output.m
+++ b/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);
diff --git a/tools/test/audio/test_utils/multitone.m b/tools/test/audio/test_utils/multitone.m
index fb2fa5561..15ae6c603 100644
--- a/tools/test/audio/test_utils/multitone.m
+++ b/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);
diff --git a/tools/test/audio/test_utils/sync_chirp.m b/tools/test/audio/test_utils/sync_chirp.m
index 513a42690..2209f9f8b 100644
--- a/tools/test/audio/test_utils/sync_chirp.m
+++ b/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