Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
AUDIO PROCESSING SYSTEM AND METHOD, AND VEHICLE
Document Type and Number:
WIPO Patent Application WO/2024/027760
Kind Code:
A1
Abstract:
Provided are an audio processing system and method, and a vehicle. The system comprises an in-vehicle infotainment apparatus (10), an in-vehicle microphone (20), a loudspeaker (30) and a power amplifier (40), wherein the in-vehicle infotainment apparatus (10) comprises an audio processing module (101) and an echo processing module (102); the in-vehicle microphone (20) collects a first audio signal and then sends the first audio signal to the audio processing module (101); the power amplifier (40) processes an audio signal and then sends a second audio signal to the loudspeaker (30) and the audio processing module (101); the audio processing module (101) respectively performs time correction and resampling on the first audio signal and the second audio signal, so as to obtain a third audio signal and a fourth audio signal which correspond to the same sampling rate, and then sends the third audio signal and the fourth audio signal to the echo processing module (102) by means of the same channel; and the echo processing module (102) performs echo cancellation processing on the third audio signal on the basis of the fourth audio signal, so as to determine a user audio signal from the third audio signal.

More Like This:
Inventors:
HUANG JIATONG (CN)
HUI SHU (CN)
DING GUANYUAN (CN)
GUO FUQI (CN)
ZHENG TONG (CN)
ZHANG WENJUAN (CN)
WANG ZHAOLIN (CN)
Application Number:
PCT/CN2023/110751
Publication Date:
February 08, 2024
Filing Date:
August 02, 2023
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
CHINA FAW CO LTD (CN)
International Classes:
G10L21/02; H04R3/00
Foreign References:
CN115297404A2022-11-04
CN111883158A2020-11-03
CN106910510A2017-06-30
CN107610713A2018-01-19
CN109817238A2019-05-28
CN112309416A2021-02-02
US20200098355A12020-03-26
Attorney, Agent or Firm:
BEIJING YZH IP FIRM (CN)
Download PDF: