Sound Ledger: Pickleball, Mulaney

From the August 19, 2026, issue of my This Week in Sound email newsletter: 70,000: Estimated number of pickleball courts in the U.S. 22,000: Cost, in $U.S., of acoustic barrier mats placed at one Braintree, Massachusetts, pickleball court to reduce noise 3: The number of sound machines that comedian John Mulaney jokes he has installed by his infant’s crib. Sources: The Washington Post (washingtonpost.com), crib (nytimes.com). Credit Due: Thanks, Mike Rhode (pickleball).