Prison visit window talker
By combining microphone arrays and multi-level voice enhancement technology with active noise reduction, the problem of unclear voice communication in the prison visitation window environment was solved, achieving high-quality call quality in noisy environments.
CN224267147UActive Publication Date: 2026-05-22HANGZHOU HUA TING TECH CO LTD
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Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- HANGZHOU HUA TING TECH CO LTD
- Filing Date
- 2025-06-19
- Publication Date
- 2026-05-22
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Figure CN224267147U_ABST
Abstract
The utility model discloses a prison meeting window call noise reducer, including ear microphone still include: adjustable elastic support, for U shape structure, and two free ends all swing joint have ear microphone, microphone array, distribute on ear microphone, circuit board, integrate thereon have loudspeaker, speech enhancement module and speech signal processing module, microphone array and speech enhancement module's input electric connection, speech enhancement module's output and speech signal processing module's input electric connection, speech signal processing module's output and loudspeaker electric connection. In the utility model, through integrating multi -microphone speech collection array, speech enhancement and speech processing module and initiative noise reduction control module, realize in prison meeting window this noisy environment to the clear collection and output of user speech signal, effectively restrain background noise interference, promote call quality.
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