An in-vehicle sound field partitioning system
By installing microphone and speaker modules inside the car, a sound field zoning system is used to solve the problem of sound isolation between passengers using phase-inverting signal technology, achieving privacy protection without increasing car weight or fuel consumption.
CN122294045APending Publication Date: 2026-06-26PIONEER TECH (SHANGHAI) CO LTD
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- PIONEER TECH (SHANGHAI) CO LTD
- Filing Date
- 2024-12-24
- Publication Date
- 2026-06-26
Smart Images
Figure CN122294045A_ABST
Abstract
This invention provides an in-vehicle sound field zoning system, comprising: an audio processing module, a first power amplifier module, a first speaker module, and a first microphone module; the first microphone module is connected to the audio processing module and is used to collect a first sound signal within a first seat area and send the first sound signal to the audio processing module; the audio processing module is connected to the first power amplifier module and is used to process the first sound signal, obtain a first inverted signal of the first sound signal, and send the first inverted signal to the first power amplifier module; the first power amplifier module is connected to the first speaker module and is used to amplify the first inverted signal and drive the first speaker module to emit the amplified first inverted signal, thereby achieving sound field zoning of the target area; this invention improves the privacy of the target area.
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