Lautstäke unterschiedlich hoch

#!/usr/bin/bash4

HDMI_Controls=$(/bin/amixer -c1 scontrols | /bin/sed 's/Simple mixer control //g' | grep "HDMI")
SPDIF_Controls=$(/bin/amixer -c1 scontrols | /bin/sed 's/Simple mixer control //g' | grep "SPDIF")

while read mixer; do
/bin/amixer -c1 sset "$mixer" 95%,95%,95%,95%,95%,95%,95%,95% unmute >/dev/null 2>/dev/null
done <<< "$HDMI_Controls"

while read mixer; do
/bin/amixer -c1 sset "$mixer" 35%,35%,35%,35%,35%,35%,35%,35% unmute >/dev/null 2>/dev/null
done <<< "$SPDIF_Controls"