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Alex text-to-speech voice: absolutely stunning

Has anyone played around with the new (669MB!) Alex voice available in the text-to-speech section of the Speech preference pane? It's eerie how good it is: the first voice that's good enough for regular proofreading, though I think it sounds better a hair faster than the default speed. It's leagues better than the Cepstral David voice I paid $30 for last year. ( https://www.cepstral.com/demos/) BTW, Cepstral's engine is fully compatible with Leopard too, in case you like their voices better -- and they do have a much wider range than Apple does.

My favorite part is that Alex actually breathes audibly just before starting a new sentence! I couldn't figure out why it sounded so natural, then a friend pointed out the quick inhalation just before he reads each new sentence. Unreal!

It's not perfect: he makes more pronunciation mistakes than Cepstral David, but that's to be expected for v.1.0. I hope Apple will add a "Corrections" feature to the Speech preference pane to allow people to enter corrections, new words, and exceptions.

But it's still a home run for people who use text-to-speech!

MacBook Pro, 15", 2.33GHz Intel, Mac OS X (10.5)

Posted on Oct 27, 2007 11:42 AM

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8 replies

Oct 27, 2007 1:17 PM in response to Eric Westby

I use to be an IBM ISV/VAR and traveled to all the IBM conventions demonstrating an emergency dispatch system (now E911) that ran on their 3B hardware years ago and used a DEC Talk unit as the announcicator. We called it the "Drunken Dutchman" because that is what it sounded like. Then a couple of years later I stumbled on the Voice Demo page on the IBM website. Now there's some impressive software. They had several male and female voices that were near perfect and at the time not used by M$. I wondered why Apple hadn't integrated this technology since they were openly doing the Voice Commands and TTS?

So as time went on nothing more than the stock "toy" and "computer sounding" offerings that Apple started with, Zarvox being the most understandable. Now just Alex which is close to the IBM voices but has "his" faults. Hopefully Apple will continue in this area. I use Text-to-Speech (TTS) all the time to help proof documents and Alex, while really good, needs work. He mispronounces many words and gets choppy.

Oct 29, 2007 6:29 AM in response to Eric Westby

It is awesome. I use it all the time now.

However, it has a slight problem with words that are spelled exactly the same but pronounced differently. For example, in these sentences, "he read that book hours ago" and "that book is quite a good read", he pronounces the word "read" exactly the same, like they should be pronounced in the second sentence.

Alex text-to-speech voice: absolutely stunning

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