September 25, 2020

Apple wants to develop "speaker recognition" technology to solve privacy problems

According to foreign media reports, Apple published the latest article in its machine learning journal "Apple Machine Learning Journal". It mainly describes the user-friendly process when users activate "嘿Siri" function on iOS devices, and introduces speaker recognition research. Technology, using deep neural network technology, focuses on identifying timbres and tones to help users eventually become owners of the device.

The "Siri" feature was first introduced in IOS8 on the iPhone 6, and now the "嘿 Siri" password already activates all smart personal assistants on the device. However, even after several years of development, "Siri" still has many problems, such as being inadvertently activated, others activated. In order to solve these problems, Apple's Siri team stated that the newly introduced "speaker recognition system" is mainly to create more user-friendly devices for users. However, there are still some problems with this technology, for example, it is impossible to obtain more accurate sound in reverberation (such as large rooms) and noisy environments.

In the future, the Apple Siri team will continue to train Siri in various environments through machine learning techniques, such as in cars, kitchens, coffee shops and other public places. In addition, Siri will also learn to recognize the status of the user's voice in various scenarios, not limited to the original recorded voice, including normal voice, high, very bright voice, or when the morning get up and drowsy sound.

Recently, the issue of Siri's privacy vulnerability has attracted much attention. Because under this loophole, anyone can use Siri to read the device owner's notice. Just hold the HOME button or iPhone X's side button for a few seconds to wake up Siri and call "Read me a notification". The hidden message content on the lock screen is read directly. Both colleagues, family, and even passers-by can perform the same operation, and it is in the case of the device lock screen.

If Apple's "speaker recognition technology" is successfully developed, it will be able to help solve the privacy problems that Siri faces.

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