If I want to describe the action that Text-To-Speech computer software does, what verb should I use? "Pronounce" and "tell" seems like a verb for human action. "Read" may be correct but for software usage it is closer to the "TTS software reads text, then processes it, then ..." then reads again? Seems misleading to use one word for two different actions.

  • Could you clarify whether you are looking for a word that covers the entire process of what a TTS system does or whether you are looking for a word to fill in the blank of your example sentence "TTS software reads text, then processes it, then..."? I assumed it was the latter, but the comment from @Gaston below my response reveals that I may have misunderstood your question. Aug 18, 2012 at 12:51

1 Answer 1


We usually refer to the process of producing artificial human speech as speech synthesis. A text-to-speech system includes a component called a speech synthesizer that takes input in the form of a linguistic representation (that is either provided to it directly by the user or derived from regular text by a front-end component) and produces speech as its output. The verb we can use to describe what it does is synthesize, as in, "That TTS system can synthesize speech in seven different languages."

Here's the relevant Wikipedia article if you want to read more about this topic.


Note, though, that there is a deeper issue with how you've framed your inquiry. One example context you gave was "TTS software reads text, then processes it, then...", and the other (in your comment below) was "1) User does this and this; 2) Program _ text to the user". The concepts that fill in these blanks are fundamentally different concepts, because the former is a single sub-process of the TTS's functionality, while the latter encompasses the whole text-to-speech process and includes multiple stages.

For the first context I would say "The TTS system reads text, processes the text, then produces synthesized speech." By the time the text has been processed, it is no longer text, so at that last stage the synthesizer is not operating on the text. It's operating on the output of the component(s) of the system that processed the text. Imagine a machine that takes water, flour, and other ingredients and makes it into bread, then slices the bread into slices and stacks them onto a serving plate. It would be strange to say "the machine mixes the water and flour, bakes the water and flour, then slices the water and flour and stacks them onto a serving plate."

For the second context, it seems like you are looking for a single phrase that covers the entire text-to-speech process. To describe this process I would say "The program converts text into speech for the user." Unfortunately, I don't think there's a single verb for this process that takes "text" as a direct object, but a colleague of mine suggested the playfully derived word speechify, as in "The program speechifies text for the user." This would be comprehensible to most people, but it isn't appropriate for formal writing. Neither of these phrases, though, can be used with "to the user"; the only solution I can think of for that is to personify the TTS system and say that it "reads the text aloud to the user".

  • I had to fix your first sentence, it wasn't really clear. By the way, strangely, I couldn't see "speech synthesis" as the expression.
    – Alenanno
    Aug 17, 2012 at 22:54
  • Thanks, @Alenanno. I had left out the word as in the first sentence (with is not quite right in this context, but you're correct that something was missing!). Since you seem to prefer bold to italics, I changed the last italicized word to bold to match. That last word is really the main answer to the OP's question, so I thought it was strange for it to be less prominent than the other words! Aug 18, 2012 at 2:16
  • Doesn't 'synthesise' in this context only refer to the end part of the process, the generation of artificial human speech? The OP wanted a verb that refers to the whole process, from the text input through to speech synthesis. Aug 18, 2012 at 6:16
  • @musicallinguist Ah ok, sorry! :)
    – Alenanno
    Aug 18, 2012 at 8:01
  • @Gaston, you're correct, but I'm going off of the example sentence the OP provided: "TTS software reads text, then processes it, then..." Aug 18, 2012 at 12:48

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