diff --git a/rc_shared.sh b/rc_shared.sh
index 00c3959..6be406a 100644
--- a/rc_shared.sh
+++ b/rc_shared.sh
@@ -788,47 +788,14 @@ function pv-test {
 	if [[ $normalize_in != "N"* && $normalize_in != "F"* ]]; then
 		normalize="-filter:a dynaudnorm=f=33:g=65:p=0.66:m=33.3"
 	fi
-	echo " normalize: '$normalize'"
+	echo "  normalize: '$normalize'"
 
 	typeset -i size_in
 	read -p "What display ratio would you like to use? (720) " size_in
 	if (( $size_in == 0 )); then
 		size_in=720
 	fi
-	echo " size: '$size_in'"
-
-	# Loop Data #
-
-	echo "Setting some defaults..."
-	vcodecs="libx264 libsvtav1 libx265" && echo " video codecs: '$vcodecs'"
-	acodecs="aac libopus" && echo " audio codecs: '$acodecs'"
-	exts="mkv" && echo " extensions: '$exts'" # mp4
-
-	declare -l {vpreset,crf,vbr,abr}s="skip"
-
-	read -p "Test presets? (y/N) " test_vpresets
-	if [[ "$test_vpresets" == "y"* ]]; then
-		vpresets="$vpresets slw med fst"
-	fi
-	echo " presets: '$vpresets'"
-
-	read -p "Test CRFs? (y/N) " test_crfs
-	if [[ "$test_crfs" == "y"* ]]; then
-		crfs="$crfs 24 26 28 30 32"
-	fi
-	echo " CRFs: '$crfs'"
-
-	read -p "Test video bitrates? (y/N) " test_vbrs
-	if [[ "$test_vbrs" == "y"* ]]; then
-		vbrs="$vbrs 1500k 2000k 2500k"
-	fi
-	echo " video bitrates: '$vbrs'"
-
-	read -p "Test audio bitrates? (y/N) " test_abrs
-	if [[ "$test_abrs" == "y"* ]]; then
-		abrs="$abrs 128k 192k"
-	fi
-	echo " audio bitrates: '$abrs'"
+	echo "  size: '$size_in'"
 
 	# Existing Functions #
 
@@ -838,25 +805,99 @@ function pv-test {
 	read -p "Create a test with current 'pv' function? (Y/n) " test_pv
 	if [[ -z "$test_pv" || "$test_pv" == "y"* ]]; then
 		pv="y"
-		echo " great, will run pv"
+		echo "  great, will run pv"
 	else
-		echo " skipping"
+		echo "  skipping"
 	fi
 	read -p "Create a test with current 'pv2' function? (Y/n) " test_pv2
 	if [[ -z "$test_pv2" || "$test_pv2" == "y"* ]]; then
 		pv2="y"
-		echo " great, will run pv2"
+		echo "  great, will run pv2"
 	else
-		echo " skipping"
+		echo "  skipping"
 	fi
 
+	# Loop Data #
+
+	declare -l {vpreset,crf,vbr,abr,achannel,afreq}s="default"
+
+	echo -e "\n * * Loop Settings * * \n"
+
+	vcodecs="libx264"
+	read -p "Video codec libx264 always enabled, add testing of libx265 and libsvtav1? (Y/n) " test_vcodecs
+	if [[ -z "$test_vcodecs" || "$test_vcodecs" == "y"* ]]; then
+		vcodecs="$vcodecs libsvtav1 libx265"
+	fi
+	read -p "Please provide any additional video codecs: " test_vcodecs
+	if [[ -n "$test_vcodecs" ]]; then
+		vcodecs="$vcodecs $test_vcodecs"
+	fi
+	echo "  video codecs: '$vcodecs'"
+
+	read -p "Test the video codec's slowest, medium, fastest presets? (y/N) " test_vpresets
+	if [[ "$test_vpresets" == "y"* ]]; then
+		vpresets="slw med fst"
+	fi
+	echo "  presets: '$vpresets'"
+
+	read -p "Please provide any CRFs to test: [default] " test_crfs
+	if [[ -n "$test_vcodecs" ]]; then
+		crfs="$test_crfs"
+	fi
+	echo " CRFs: '$crfs'"
+
+	read -p "Please provide any video bitrates to test: [default] " test_vbrs
+	if [[ -n "$test_vbrs" ]]; then
+		vbrs="$test_vbrs"
+	fi
+	echo "  video bitrates: '$vbrs'"
+
+	echo " "
+
+	acodecs="aac"
+	read -p "Audio codec aac always enabled, add testing of libopus? (Y/n) " test_acodecs
+	if [[ -z "$test_acodecs" || "$test_acodecs" == "y"* ]]; then
+		acodecs="$acodecs libopus"
+	fi
+	read -p "Please provide any additional audio codecs: " test_acodecs
+	if [[ -n "$test_acodecs" ]]; then
+		acodecs="$acodecs $test_acodecs"
+	fi
+	echo "  audio codecs: '$acodecs'"
+
+	read -p "Please provide any audio bitrates to test: [default] " test_abrs
+	if [[ -n "$test_abrs" ]]; then
+		abrs="$test_abrs"
+	fi
+	echo "  audio bitrates: '$abrs'"
+
+	read -p "Test both mono and stereo audio channels? (y/N) " test_achannels
+	if [[ "$test_achannels" == "y"* ]]; then
+		achannels="1 2" # 1 is mono, 2 is stereo
+	fi
+	echo "  audio channels: '$achannels'"
+
+	read -p "Test both 48 and 44.1 kHz audio frequencies? (y/N) " test_afreqs
+	if [[ "$test_afreqs" == "y"* ]]; then
+		afreqs="48000 44100" # 48 typically found in videos, 44.1 in audio.
+	fi
+	echo "  audio frequencies: '$afreqs'"
+
+	read -p "Please provide any containers to test with: [mkv] " test_exts
+	if [[ -n "$test_exts" ]]; then
+		exts="$test_exts"
+	fi
+	echo "  extensions: '$exts'"
+
 	# Final Check #
 
+	echo -e "\n * * Confirmation * * \n"
+
 	typeset -u okay
-	echo -e "\nTesting all these using '$filename_in'"
+	echo "Testing all these using '$filename_in'"
 	read -p "Does everything look okay? (Y/n) " okay
 	if [[ "$okay" == "N" || "$okay" == "F"* ]]; then
-		echo "* Not okay, aborting."
+		echo "  Not okay, aborting."
 		return 1
 	fi
 	echo -e "Sounds good, here we go!\n"
@@ -884,97 +925,111 @@ function pv-test {
 
 	echo -e "\nStarting the loop...\n"
 
+	count=0
 	unset vcodec vpreset crf vbr acodec abr ext
-	for vcodec in $vcodecs; do
-		for vpreset in $vpresets; do
-			for crf in $crfs; do
-				for vbr in $vbrs; do
-					for acodec in $acodecs; do
-						for abr in $abrs; do
-							for ext in $exts; do
+	for vcodec in $vcodecs; do for vpreset in $vpresets; do
+		for crf in $crfs; do for vbr in $vbrs; do
+			for acodec in $acodecs; do for abr in $abrs;
+				do for achannel in $achannels; do for afreq in $afreqs; do
+					for ext in $exts; do
 
-								preset=""
-								if [[ "$vpreset" != "skip" ]]; then
-									if [[ "$vcodec" == "libsvtav1" ]]; then
-										case $vpreset in
-											slw) preset="0" ;;
-											med) preset="6" ;;
-											fst) preset="13" ;;
-											*) echo "ERROR: Unhandled vpreset '${vpreset}', exiting." && return 1
-										esac
-									else
-										case $vpreset in
-											slw) preset="veryslow" ;;
-											med) preset="medium" ;;
-											fst) preset="ultrafast" ;;
-											*) echo "ERROR: Unhandled vpreset '${vpreset}', exiting" && return 1
-										esac
-									fi
-									if [[ -n "$preset" ]]; then
-										preset="-preset $preset"
-									fi
-								fi
+						preset=""
+						if [[ "$vpreset" != "default" ]]; then
+							if [[ "$vcodec" == "libsvtav1" ]]; then
+								case $vpreset in
+									slw) preset="0" ;;
+									med) preset="6" ;;
+									fst) preset="13" ;;
+									*) echo "ERROR: Unhandled vpreset '${vpreset}', exiting." && return 1
+								esac
+							else
+								case $vpreset in
+									slw) preset="veryslow" ;;
+									med) preset="medium" ;;
+									fst) preset="ultrafast" ;;
+									*) echo "ERROR: Unhandled vpreset '${vpreset}', exiting" && return 1
+								esac
+							fi
+							if [[ -n "$preset" ]]; then
+								preset="-preset $preset"
+							fi
+						fi
 
-								bitrate=""
-								if [[ "$crf" != "skip" ]]; then
-									bitrate="-crf $crf"
-								fi
-								if [[ "$vbr" != "skip" ]]; then
-									if [[ "$vcodec" == "libsvtav1" ]]; then
-										bitrate="$bitrate -svtav1-params rc=1:tbr=$vbr:overshoot-pct=0:undershoot-pct=100"
-									else
-										bitrate="$bitrate -b:v $vbr -minrate 0 -maxrate $vbr -bufsize $vbr"
-									fi
-								fi
+						bitrate=""
+						if [[ "$crf" != "default" ]]; then
+							bitrate="-crf $crf"
+						fi
+						if [[ "$vbr" != "default" ]]; then
+							if [[ "$vcodec" == "libsvtav1" ]]; then
+								bitrate="$bitrate -svtav1-params rc=1:tbr=$vbr:overshoot-pct=0:undershoot-pct=100"
+							else
+								bitrate="$bitrate -b:v $vbr -minrate 0 -maxrate $vbr -bufsize $vbr"
+							fi
+						fi
 
-								fidelity=""
-								if [[ "$abr" != "skip" ]]; then
-									fidelity="-b:a $abr"
-								fi
+						fidelity=""
+						if [[ "$abr" != "default" ]]; then
+							fidelity="-b:a $abr"
+						fi
 
-								newfile="_${size_in}p_${vcodec}-${vpreset}-${vbr}${crf}_${acodec}-${abr}.${ext}"
-								if [[ -e "$newfile" ]]; then
-									mv -v "$newfile" ~/TRASH/
-								fi
+						channel=""
+						if [[ "$achannel" != "default" ]]; then
+							channel="-ac $achannel"
+						fi
 
-								echo -e "\n* Starting new run...\n"
-								echo -e "Parameters for this run: $newfile\n"
+						frequency=""
+						if [[ "$afreq" != "default" ]]; then
+							frequency="-ar $afreq"
+						fi
 
-								start=$SECONDS
-								set -x
-								ffmpeg -nostdin -hide_banner -loglevel level+warning \
-									-i "$filename_in" \
-									-filter:v scale=-1:$size_in \
-									-c:v $vcodec \
-									$preset \
-									$bitrate \
-									-c:a $acodec \
-									$fidelity \
-									$normalize \
-									-movflags +faststart \
-									"$newfile"
-								set +x
-								finish=$SECONDS
+						newfile="_${size_in}p_${vcodec}-${vpreset}-${crf}-${vbr}_${acodec}-${abr}-${achannel}-${afreq}.${ext}"
+						if [[ -e "$newfile" ]]; then
+							mv -v "$newfile" ~/TRASH/
+						fi
 
-								minutes=$(( (finish - start) / 60 ))
-                        seconds=$(( (finish - start) % 60 ))
-								printf -v padded_mins "%03d" "$minutes"
-                        printf -v padded_secs "%02d" "$seconds"
+						echo -e "\n* Starting new run...\n"
+						echo -e "Parameters for this run: $newfile\n"
 
-								mv -v "$newfile" "$(basename "${filename_in}_${padded_mins}m${padded_secs}s${newfile}")"
+						start=$SECONDS
+						set -x
+						ffmpeg -nostdin -hide_banner -loglevel level+warning \
+							-i "$filename_in" \
+							-filter:v scale=-1:$size_in \
+							-c:v $vcodec \
+							$preset \
+							$bitrate \
+							-c:a $acodec \
+							$fidelity \
+							$channel \
+							$frequency \
+							$normalize \
+							-movflags +faststart \
+							"$newfile"
+						set +x
+						finish=$SECONDS
 
-								echo -e "\n* Finished in ${minutes}m${seconds}s!\n"
-							done
-						done
+						minutes=$(( (finish - start) / 60 ))
+						seconds=$(( (finish - start) % 60 ))
+						printf -v padded_mins "%03d" "$minutes"
+						printf -v padded_secs "%02d" "$seconds"
+
+						mv -v "$newfile" "$(basename "${filename_in}_${padded_mins}m${padded_secs}s${newfile}")"
+
+						echo -e "\n* Finished in ${minutes}m${seconds}s!\n"
+						count=$(( count++ ))
 					done
-				done
-			done
-		done
-	done
+				done done
+			done done
+		done done
+	done done
 
 	## Finish ##
 
-	echo "Done! :)"
+	plural=""
+	if (( $count != 1 )); then
+		plural="s"
+	fi
+	echo "Completed tests after ${count} loop${plural}! :)"
 }