Fig. 1. Voice Recognition Procedure
Fig. 2. Smart Speaker Ownership 2016~2020
Fig. 3. Speaker Market Forecast
Table 1. 2017-2018 Technology Trend
Table 2. User Interface Transition Process
Table 3. Major Speaker Special Contents
Table 4. Purchase Motivation
Table 5. Product Use Period
Table 6. Utilization Function
Table 7. Contents of Main Complaint
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