See below for examples of different possible speeds. The speed of the enhanced voice is adjustable for individual user preference. Without this feature, the TTS voices when played fast require a lot of effort and concentration to be understood and would have to be played at lower "boring" speeds. The voice enhancement feature allows the voice to be read fast (up to 180 wpm) and still be well-understood. It is important for learning and instruction to have the TTS voice read sufficiently fast to keep the listener's interest thereby avoiding frustration with a "boring and monotonous" voice. This page introduces Tuval's TTS voice enhancement feature which divides sentences into thought-groups - called chunking or clumping a sentence - making it easier to understand even when read at high speed. Voice Enhancement - Important for Learning
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