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The speech-rate property allows you specify how fast or slow the browser speaks text. It works a bit like the font-size property. You specify the words per minute. body {speech-rate: 80;}
You can also specify an absolute speed (x-slow, slow, medium, fast, or x-fast): p {speech-rate: medium;}
Each of the keywords correspond to a number: x-slow is equivalent to 80, slow to 120, medium to 200, fast to 300 and x-fast to 500. You can also set a relative size of faster or slower. These values adjust the speed to 40 words per minute faster or slower than the current speed. For example: p {speech-rate: slower;}
Unless you specify otherwise, your content will be spoken at a rate of 180 to 200 words per minute. Different languages and cultures have different "normal" speech rates. While extremely slow or fast speech may be interesting for a short time, it quickly becomes annoying or unintelligible to your listeners. |
More information speech-rate |
