CN110709921A - 降噪方法、装置和无人机 - Google Patents
降噪方法、装置和无人机 Download PDFInfo
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- CN110709921A CN110709921A CN201880031271.XA CN201880031271A CN110709921A CN 110709921 A CN110709921 A CN 110709921A CN 201880031271 A CN201880031271 A CN 201880031271A CN 110709921 A CN110709921 A CN 110709921A
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L15/00—Speech recognition
- G10L15/08—Speech classification or search
- G10L15/16—Speech classification or search using artificial neural networks
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- Audiology, Speech & Language Pathology (AREA)
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Abstract
一种降噪方法、装置和无人机。降噪方法应用于无人机(110),包括:获取补偿声音的特征参数;其中,补偿声音的特征参数是根据无人机(110)在飞行过程中动力系统(150)产生的噪声的特征参数确定的;根据补偿声音的特征参数控制声音发生设备(180)产生补偿声音以抑制无人机(110)在飞行过程中动力系统(150)产生的噪声。该降噪方法可以有效地降低无人机(110)在飞行过程中产生的噪声。
Description
PCT国内申请,说明书已公开。
Claims (32)
- PCT国内申请,权利要求书已公开。
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PCT/CN2018/088673 WO2019227279A1 (zh) | 2018-05-28 | 2018-05-28 | 降噪方法、装置和无人机 |
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CN110709921A true CN110709921A (zh) | 2020-01-17 |
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WO (1) | WO2019227279A1 (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111899711A (zh) * | 2020-07-30 | 2020-11-06 | 长沙神弓信息科技有限公司 | 一种无人机传感器振动噪声抑制方法 |
CN113748688A (zh) * | 2020-06-10 | 2021-12-03 | 深圳市大疆创新科技有限公司 | 无人飞行器录音方法、装置、芯片、无人飞行器、系统 |
Citations (6)
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CN1565144A (zh) * | 2001-08-08 | 2005-01-12 | 数字信号处理工厂有限公司 | 使用过采样滤波器组的定向音频信号处理 |
CN103971908A (zh) * | 2014-05-06 | 2014-08-06 | 国家电网公司 | 一种变压器噪声抑制方法 |
CN105405439A (zh) * | 2015-11-04 | 2016-03-16 | 科大讯飞股份有限公司 | 语音播放方法及装置 |
CN106527478A (zh) * | 2016-11-24 | 2017-03-22 | 深圳市道通智能航空技术有限公司 | 无人机现场声音获取方法与有声视频实现方法及相关装置 |
CN206179506U (zh) * | 2016-11-11 | 2017-05-17 | 马彦亭 | 一种无人机噪音消减装置 |
CN106782497A (zh) * | 2016-11-30 | 2017-05-31 | 天津大学 | 一种基于便携式智能终端的智能语音降噪算法 |
Family Cites Families (5)
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WO2016029469A1 (en) * | 2014-08-29 | 2016-03-03 | SZ DJI Technology Co., Ltd. | An unmanned aerial vehicle (uav) for collecting audio data |
CN105228054B (zh) * | 2015-10-15 | 2019-07-05 | 深圳市大疆灵眸科技有限公司 | 飞行装置、拍摄装置及其录音降噪装置和方法 |
CN105261359B (zh) * | 2015-12-01 | 2018-11-09 | 南京师范大学 | 手机麦克风的消噪系统和消噪方法 |
CN107230472A (zh) * | 2017-06-30 | 2017-10-03 | 邢优胜 | 一种直升机驾驶舱内噪声主动控制方法及系统 |
CN107452389B (zh) * | 2017-07-20 | 2020-09-01 | 大象声科(深圳)科技有限公司 | 一种通用的单声道实时降噪方法 |
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2018
- 2018-05-28 WO PCT/CN2018/088673 patent/WO2019227279A1/zh active Application Filing
- 2018-05-28 CN CN201880031271.XA patent/CN110709921A/zh active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1565144A (zh) * | 2001-08-08 | 2005-01-12 | 数字信号处理工厂有限公司 | 使用过采样滤波器组的定向音频信号处理 |
CN103971908A (zh) * | 2014-05-06 | 2014-08-06 | 国家电网公司 | 一种变压器噪声抑制方法 |
CN105405439A (zh) * | 2015-11-04 | 2016-03-16 | 科大讯飞股份有限公司 | 语音播放方法及装置 |
CN206179506U (zh) * | 2016-11-11 | 2017-05-17 | 马彦亭 | 一种无人机噪音消减装置 |
CN106527478A (zh) * | 2016-11-24 | 2017-03-22 | 深圳市道通智能航空技术有限公司 | 无人机现场声音获取方法与有声视频实现方法及相关装置 |
CN106782497A (zh) * | 2016-11-30 | 2017-05-31 | 天津大学 | 一种基于便携式智能终端的智能语音降噪算法 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113748688A (zh) * | 2020-06-10 | 2021-12-03 | 深圳市大疆创新科技有限公司 | 无人飞行器录音方法、装置、芯片、无人飞行器、系统 |
CN111899711A (zh) * | 2020-07-30 | 2020-11-06 | 长沙神弓信息科技有限公司 | 一种无人机传感器振动噪声抑制方法 |
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