AI developed by Google improves call quality on Google Duo. According to the Mountain View company, this artificial intelligence compensates for the loss of audio segments due to a poor connection during conversations.
In this period of containment, instant messaging applications and other communication services have never been more important. Neither solicited as much. On this point, Google claims to be able to manage the explosion of internet traffic during containment. Nevertheless, and it is a fact, the audio quality of calls regularly weakens, either due to a high volume, or simply due to a bad internet connection.
These cuts that you can hear on occasion are just audio segments that have been lost during audio signal transmission. According to Google, 99% of calls made to Google Duo are affected by these lost audio packets. More precisely, in 20% of the exchanges, almost 3% of the audio is lost.
In fact, developers use various strategies to limit these losses and provide quality service. However, all these methods prove to be ineffective, as soon as the losses exceed 20 milliseconds. According to Google, if we exceed 60 milliseconds speech becomes robotic and repetitive, a characteristic sound which is unfortunately familiar to many voice callers on the Internet.
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Anyone who has ever made a Skype in their life can agree. To counter this loss of quality, Google has developed WaveNetEQ, a new technology based on artificial intelligence. His job is compensate for long-term losses, equal or greater than 60 milliseconds.
In order to ensure the robustness of the model with a wide range of users, we trained WaveNetEQ on a set of voice data containing more than 100 speakers in 48 different languages, which allows the model to learn the characteristics of the human speech in general, instead of the property of a specific language,exposes the glove of the web.
For now, this AI is only able to replace missing syllables, not words. This technology has already been tested on Google Pixel 4 in the Google Duo application. The Mountain View company will begin rolling out this new feature to other smartphones as early as this week.
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Source: Google Blog
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