| Outside, workmen on scaffolding grind and scrape at our walls, breaking in by the millimeter and decibel. |
| An NBA rep with a handheld decibel meter polices the sidelines during every game, enforcing a 90-decibel limit on in-game noise. |
| Peak decibel thresholds that resulted in arousals or awakenings did not differ by sleep stage in any subject group. |
| I wanted to pass along this school's method of attempting to keep the decibel level to a minimum. |
| Earplugs with a suitable decibel rating, reusable or disposable, corded or uncorded. |
| More than 700 alarms, which emit a high-pitched 130 decibel scream, have been sold in a four-day frenzy. |