Which portable white noise machine models offer the highest maximum decibel levels for blocking out loud city street noise?
Download run
Fan-out diagram
The searches the AI actually ran for this prompt.
SEED QUERY
Which portable white noise machine models offer the highest maximum decibel levels for blocking out loud city street noise?
1 real search · 1 real-search pass
portable white noise machines maximum sound level dB manufacturer specifications LectroFan Micro2 Rohm Sound+Sleep MiniGoogle ↗
OBSERVEDComparison
Badge and edge weight = share of passes that produced the query. Hover a query for its intent and routing format.
Query classes
Google's semantic query class for every sub-query: what kind of answer each search is after, simulated vs real.
ChatGPT real searches (1)
Classes come from the query-classifier (a local Laya model). 1 of 1 calls are low-confidence (under 50%) — hover a query in the table to see its confidence.
Searches and sources
ChatGPT1 real searches · gpt-6
portable white noise machines maximum sound level dB manufacturer specifications LectroFan Micro2 Rohm Sound+Sleep Mini Google ↗
- The Best White Noise Machines: I Compare 20 · nosleeplessnights.com
- Rohm Portable White Noise Sound Machine · sleepsolutions.com.au
- ALD Catalog 2018 · d252k67fn47lvs.cloudfront.net
- The Best White Noise Machines of 2026 · goldtested.com
- Best White Noise Machines of 2026: Expert-Approved Picks · sleepfoundation.org