{"version":"https://jsonfeed.org/version/1.1","title":"Brainwavest — Learn","home_page_url":"https://brainwavest.com/learn","feed_url":"https://brainwavest.com/feed.json","description":"Evidence-aware guides, product news, and primary-source updates from Brainwavest.","icon":"https://brainwavest.com/brand/mark-tile.svg","favicon":"https://brainwavest.com/brand/favicon.svg","language":"en-US","items":[{"id":"https://brainwavest.com/learn/noise-cancelling-vs-open-back","url":"https://brainwavest.com/learn/noise-cancelling-vs-open-back","title":"Noise cancelling or open-back?","summary":"Cancellation is not neutral. 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