pink noise
noun
: a mixture of sound waves with an intensity that diminishes proportionally with frequency to yield approximately equal energy per octave compare white noise
Example Sentences
Recent Examples on the Web On TikTok, users describe pink noise as wind or a wave. 
Ellen O'brien, Outside Online, 4 Aug. 2022 On one hand, some studies have shown, for instance, that white noise helped adults fall asleep 38 percent faster, that pink noise boosts memory function, and that all three improve work performance. Ashley Stimpson, Popular Mechanics, 2 Aug. 2022 In pink noise, events that appear random are actually connected, per Science News. Elizabeth Gamillo, Smithsonian Magazine, 12 Nov. 2021 Brown noise contains even more bass than pink noise, more like the rumble of strong winds, a rushing river or pounding surf. Sandee Lamotte, CNN, 3 May 2021 This classic sound machine has 10 fan sounds and 10 ambient noise variations including white, brown and pink noise. Lindsay Boyers, Forbes, 21 June 2021 Brown noise contains even more bass than pink noise, more like the rumble of strong winds, a rushing river or pounding surf. Sandee Lamotte, CNN, 3 May 2021 Brown noise contains even more bass than pink noise, more like the rumble of strong winds, a rushing river or pounding surf. Sandee Lamotte, CNN, 3 May 2021 Brown noise contains even more bass than pink noise, more like the rumble of strong winds, a rushing river or pounding surf. Sandee Lamotte, CNN, 3 May 2021 See More
Ellen O'brien, Outside Online, 4 Aug. 2022 On one hand, some studies have shown, for instance, that white noise helped adults fall asleep 38 percent faster, that pink noise boosts memory function, and that all three improve work performance. Ashley Stimpson, Popular Mechanics, 2 Aug. 2022 In pink noise, events that appear random are actually connected, per Science News. Elizabeth Gamillo, Smithsonian Magazine, 12 Nov. 2021 Brown noise contains even more bass than pink noise, more like the rumble of strong winds, a rushing river or pounding surf. Sandee Lamotte, CNN, 3 May 2021 This classic sound machine has 10 fan sounds and 10 ambient noise variations including white, brown and pink noise. Lindsay Boyers, Forbes, 21 June 2021 Brown noise contains even more bass than pink noise, more like the rumble of strong winds, a rushing river or pounding surf. Sandee Lamotte, CNN, 3 May 2021 Brown noise contains even more bass than pink noise, more like the rumble of strong winds, a rushing river or pounding surf. Sandee Lamotte, CNN, 3 May 2021 Brown noise contains even more bass than pink noise, more like the rumble of strong winds, a rushing river or pounding surf. Sandee Lamotte, CNN, 3 May 2021 See More Word History
First Known Use
1961, in the meaning defined above