Automotive Noise Reduction Solution
Solution Overview
Automotive noise reduction solution based on GD32A712 automotive-grade MCU
Automotive noise reduction solution is developed based on GD32A712 automotive-grade MCU and achieves a high noise reduction ratio through the TMC ZoomVoice software algorithm, eliminating the need for a dedicated noise reduction chip. The GD32A712 automotive-grade can connect to omnidirectional microphones and speakers via the I2S interfaces. ZoomVoice algorithm first enhances sound from a targeted direction through beamforming technology. Then, to minimize audio distortion, it automatically adjusts the reduction level for each frequency band based on the frequency characteristics of the input noise. This noise reduction solution is cost-effective and can be used as a pre-processing for the automotive voice recognition system, effectively enhancing the accuracy and precision of voice recognition.
Advantages
High noise reduction ratio
Low memory usage
Cost-effective
High voice recognition accuracy
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System Diagram
