Synonyms for Treble:
high-pitched, shrilly, acute, piercing, shrill, soprano, shrieky, strident, penetrating, piping.
n.increase, raise, go up, go through the roof, add to, escalate, step up, soar, multiply. dozen, Its, determiner, an, every, My, mine, certain. control, pause, console, knob, panel, release, master switch, fast forward, dial, lever. •attribute (noun)
dual, ternary, double, high-pitched, soprano, threefold, twofold, triple, high, multiple.