The audio quality of a call conducted using a user device such as a phone can be unsatisfactory due to a variety of reasons. Such reasons include noisy surroundings at the location from which the user conducts a call, position of the phone near the user’s face, users that speak with a soft voice, presence of far-end echoes, etc. This disclosure describes techniques that use a user-specific voiceprint to home into the user’s speech and cut out surrounding disturbances from a voice call. The techniques are implemented with user permission to generate and use the voiceprint.
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Kuo, ChiLin; Wang, HsinHu; TSAI, SSU-TING; and Huang, Chin-Kuo, "Enhanced call quality using user-specific voiceprint model", Technical Disclosure Commons, (January 30, 2019)