The most dangerous is the idea that subvocalization should be avoided to read faster. ... Speed reading experts claim that subvocalization is the bottleneck that slows down your reading. If you can learn to just recognize words visually without saying them in your inner voice, you can read much faster.
Should you avoid Subvocalization?
Unless you do disclaimers at the end of commercials, it's difficult to talk over 300 words per minute. So subvocalization must be minimized because you don't want to get stuck reading as fast as you talk. You're capable of reading as fast as you can think. Changing the habit of subvocalization is easier said than done.
Do people Subvocalize when reading?
Typically, subvocalizing is an inherent part of reading and understanding a word. ... At the slower reading rates (100–300 words per minute), subvocalizing may improve comprehension. Subvocalizing or actual vocalizing can indeed be of great help when one wants to learn a passage verbatim.