Synonyms that are in the dictionary are marked in green. Synonyms that are not in the dictionary are marked in red.
Antonyms that are in the dictionary are marked in green. Antonyms that are not in the dictionary are marked in red.
Total Harmonic Distortion: How much of the signal gets distorted by the speakers.
Source: https://americansongwriter.com/best-noise-cancelling-headphones/