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Phase synchronization - Wikiwand
Phase synchronization is the process by which two or more cyclic signals tend to oscillate with a repeating sequence of relative phase angles. Phase synchronisation is usually applied to two waveforms of the...
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CN110085258B - Method, system and readable storage medium for improving far-field speech recognition rate - Google Patents
The invention provides a method, a system and a storage medium for improving far-field speech recognition rate. The intelligent television scans the front of the intelligent television in real time through the radar to acquire the position, movement and characteristic information of an object in front, detects and positions the azimuth of a sound source sending an activating word through the wave arrival direction positioning technology, judges whether the sound source is a person or not through the characteristic information acquired by the radar, if the sound source is a person, forms a narrow pickup beam pointing to the direction of the sound source through the MIC array to pick up the sound, positions the sound source in real time through the radar, and the pickup beam tracks the sound source according to the position parameter of the sound source provided by the radar by adjusting the angle in real time, so that the pickup stability is ensured. Compared with the prior art that the interference source and the target sound source are difficult to distinguish and inaccurate in positioning and can not pick up sound when the target sound source moves, the method can accurately position and distinguish the interference source and the target sound source, can track the target sound source, and improves the far-field speech recognition rate.
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Shiyan
(zh cp|c=十堰|p=Shíyàn) is a prefecture level city in northwestern Hubei province, People s Republic of China.AdministrationThe prefecture level city of Shiyan administers 8 county level divisions, including 2 districts, 1 county level city and 5…
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Gafat language
The Gafat language is an extinct Semitic language that was once spoken along the Abbay River in Ethiopia. The records of this language are extremely sparse: a translation of the Song of Songs written in the 17th or 18th Century held at the…