Google Voice voicemail transcription extremely good!

Even over a noisy phone line, the transcription of voicemail is extremely good. Whatever speech recognition technology they are using is excellent.

Anybody know what it is?

By the way, Google Voice used to be known as Grand Central before Google bought them.

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Chuck Runquist's picture

The secret is not in the

The secret is not in the technology, it's in the methodology. Also, Google is not the first to do this. The original concept was developed by IBM.

The methodology that they use is to continue to collect a large corpus of acoustic data on-the-fly from everyone who calls in voicemail to be transcribed. As the variety and size of the data increases, so does the accuracy.

Nothing special, just a different approach, which is actually what Nuance has done with their speaker independent Acoustic Model.

Chuck Runquist
Owner, GEMCCON - The Choice of Intelligence
Speech Recognition Consulting and Training

"It ain't what you don't know that gets you into trouble. It's what you know for sure that just ain't so." -- Mark Twain

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