It looks like it's not the article you were looking for, but there was also this similar article about one of the original authors of NVDA, who hits 900 WPM, al

It looks like it's not the article you were looking for, but there was also this similar article about one of the original authors of NVDA, who hits 900 WPM, also including an audio sample: https://www.9news.com.au/national/the-secret-language-only-blind-people-can-understand--and-its-not-braille/667eca67-a032-497e-a8fe-2bfd0d57e1c7 https://www.9news.com.au/national/the-secret-language-only-b...