sound spectrogram

17 LETTERS · STARTS WITH S

sound spectrogram is a valid 17-letter word worth 24 points in Scrabble and 30 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

S1O1U1N1D2S1P3E1C3T1R1O1G2R1A1M3

1 + 1 + 1 + 1 + 2 + 0 + 1 + 3 + 1 + 3 + 1 + 1 + 1 + 2 + 1 + 1 + 3 =24 PTS

DOUBLE WORD → 48TRIPLE WORD → 72

MEANING

What does sound spectrogram mean?