SK Telecom Unveils Artificial Intelligence Service NUGU


SK Telecom has introduced NUGU, an artificial intelligence (A.I.) service based on voice recognition technology.

The company has also shared plans to further develop its A.I. platform and services in cooperation with third party developers and customers.

The service name “NUGU” is a Korean word for “who” and has been chosen to create an image that it can become anyone – i.e., user’s friend, family, assistant, and so on.

To be launched on September 1, 2016, NUGU marks the first virtual home assistant service that understands and processes the Korean language. With the aim to create an intelligent voice assistant that can interact in Korean, SK Telecom began developing advanced technologies in areas including artificial intelligence, speech recognition and natural language processing since 2012. In particular, NUGU boasts the highest voice recognition rate in Korea, understanding various voice tones, accent and dialects, and through the application of SK Telecom’s self-developed natural language processing engine, it is capable of interpreting what the user has actually said and interacts with the user by voice.

NUGU will be first realized through a stylish, white, 21.9cm–tall cylinder-shaped device also built to work as a home speaker and LED lighting. In particular, with the participation of Astell & Kern in optimizing the speaker sound quality, the NUGU-dedicated device delivers a strong performance as a home speaker with 15 Watt, 2.5-inch woofer, 2-inch tweeter.

NUGU is connected to the cloud via Wi-Fi. After recognizing the user’s voice and understanding his/her intentions through natural conversations, NUGU provides a wide variety of services including ▲music service (e.g. music recommendation and playback), ▲smart home service (e.g. control of smart home devices including smart electric plug, gas valve lock, air purifier, and dehumidifier) and ▲ assistant service (e.g. weather information, schedule notification, smartphone location tracking, etc.).

Users can initiate a dialogue with NUGU by using one of the four wake words (Aria, Crystal, Rebecca, and Tinkerbell) and then make voice requests to NUGU. For instance, when the user says “Aria, play me some happy music,” NUGU will instantly play a list of upbeat songs, and answer to user’s questions regarding these songs (title, singer, etc.). Also, when the user asks, “Aria, I am going to the baseball park tomorrow. How will the weather be tomorrow in Incheon?,” NUGU will deliver weather forecasts for that specific area in a spoken response.

Through the application of a cloud-based deep-learning framework, NUGU is designed to evolve by itself. NUGU will be able to strengthen its own performance – including speech recognition accuracy – with the growing number of customers who use the

“In the past, the evolution of input device – from a conventional keyboard to mouse, and then to touchpad – has brought great changes to people’s daily lives. Now, we are once again standing at a turning point that leads to a dramatically different world created by voice recognition and artificial intelligence technologies,” said Park Il-hwan, Executive Vice President and Head of Device Supporting Division of SK Telecom. “Starting with the launch of NUGU, the first-ever virtual assistant service that supports the Korean language, we will promote the popularization of artificial intelligence technologies and services to realize enhanced value for our customers.”

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