Is It a Human or Computer Talking? Google Blurs a Lines

(Credit: Viktorus/Shutterstock)

(Credit: Viktorus/Shutterstock)

Siri and Alexa are good, though no one would mistake them for a tellurian being. Google’s newest project, however, could change that.

Called Tacotron 2, a latest attempt to make computers pronounce like people builds on dual of a company’s many new text-to-speech projects, a strange Tacotron and WaveNet.

Repeat After Me

Tacotron 2 pairs a text-mapping abilities of a prototype with a vocalization bravery of WaveNet for an finish outcome that is, frankly, a bit unsettling. It works by holding text, and, formed on training from snippets of tangible tellurian speech, mapping a syllables and difference onto a spectrogram—a visible illustration of audio waves. From there, a spectrogram is afterwards incited into actual discuss by a vocoder formed on WaveNet. Tacotron 2 uses a spectrogram that can hoop 80 opposite discuss dimensions, that Google says is adequate to reconstruct not usually a accurate diction of difference though healthy rhythms of tellurian discuss as well. The researchers news their work in a paper published to a preprint server arXiv.

Most mechanism voice programs use a library of syllables and difference to erect sentences, something called linking synthesis. When humans speak, we change a diction widely depending on context, and this gives computer-speak a routine patina. What Google is attempting to do is get divided from a exercise of difference and sounds and erect sentences formed on not usually a difference they’re done of, though what they meant as well. The module uses a network of companion nodes assimilated together to brand patterns in speech and ultimately predict what will come subsequent in a sentence, assisting to well-spoken out intonation.

The researchers behind adult their boast with a brood of examples posted online. Where WaveNet sounded accurate though a bit flat, Tacotron 2 sounds fleshed out and impressively varied. For a sample, only check out a same word steady by both programs:


Tacotron 2:

The module can also hoop complex, multi-syllabic difference with ease, and can be educated to supplement highlight to difference or syllables to change a interpretation of sentences. This means Tacotron 2 can word things as questions and rightly compute between homonyms, as good as some-more pointed things like highlighting a theme of a judgment by adding importance to a word.

The final, and many constrained exam is a corresponding comparison of a tellurian and computerized voice. Tacotron 2 scores a 4.53 on a renouned exam of discuss quality, a researchers say, compared to 4.58 for professionally-recorded speech. See if we can tell a difference:

Although a module is impressive, it still has a few flaws. It can’t inject any tension into a speech, and isn’t nonetheless quick adequate to furnish audio in genuine time. And don’t ask it to sequence booze for we either:


  • TACOtron? I’m going to omit a apparent and assume it is a gender slur.

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    • Your English needs some work, Vlad.

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Posted by on Jan 10 2018. Filed under NEWS. You can follow any responses to this entry through the RSS 2.0. You can leave a response or trackback to this entry

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