No, and this is one of the first things that tends to come up in any guides on how to read more quickly: reading without internally vocalizing, in order to not

No, and this is one of the first things that tends to come up in any guides on how to read more quickly: reading without internally vocalizing, in order to not limit reading to the speed of vocalizing. Some people can switch back and forth between both readily, and use them for different purposes. Some people read only in one or the other mode.