diff --git a/scripts/host-testbench.sh b/scripts/host-testbench.sh
index fe84af907..6e77b4bf7 100755
--- a/scripts/host-testbench.sh
+++ b/scripts/host-testbench.sh
@@ -12,14 +12,29 @@ output_file="out.raw"
 #input bit format
 bits_in="S16_LE"
 
+#input sample rate (this is an optional argument for SRC based pipelines)
+#should be used with -r option
+fs_in="48000"
+
+#output sample rate (this is an optional argument for SRC based pipelines)
+#should be used with -R option
+fs_out="96000"
+
 # topology file
-# please use only simple volume topologies for now
-topology_file="../sound-open-firmware-tools/topology/test/test-playback-ssp2-I2S-volume-s16le-s32le-48k-24576k-codec.tplg"
+# please use simple volume/src topologies for now
+
+topology_file="../soft.git/topology/test/test-playback-ssp2-I2S-volume-s16le-s32le-48k-24576k-codec.tplg"
+
+#example src topology
+#topology_file="../soft.git/topology/test/test-playback-ssp5-LEFT_J-src-s24le-s24le-48k-19200k-codec.tplg"
 
 #optional libraries to override
-libraries="vol=libsof_volume.so"
+libraries="vol=libsof_volume.so,src=libsof_src.so"
 
 # Use -d to enable debug prints
 
-# run testbench
+# run volume testbench
 ./src/host/testbench -i $input_file -o $output_file -b $bits_in -t $topology_file -a $libraries -d
+
+# run src testbench
+#./src/host/testbench -i $input_file -o $output_file -b $bits_in -t $topology_file -a $libraries -r $fs_in -R $fs_out -d