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
- Publication number
- 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
- Authority
- CN
- China
- Prior art keywords
- sound
- unmanned aerial
- aerial vehicle
- noise
- flight
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 121
- 230000009467 reduction Effects 0.000 title claims abstract description 42
- 230000008569 process Effects 0.000 claims abstract description 53
- 230000007613 environmental effect Effects 0.000 claims description 27
- 238000003062 neural network model Methods 0.000 claims description 27
- 230000009466 transformation Effects 0.000 claims description 16
- 238000009434 installation Methods 0.000 claims description 12
- 230000015654 memory Effects 0.000 claims description 12
- 238000001228 spectrum Methods 0.000 claims description 12
- 230000001174 ascending effect Effects 0.000 claims description 8
- 238000012549 training Methods 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims 1
- 230000000875 corresponding effect Effects 0.000 description 29
- 238000010586 diagram Methods 0.000 description 9
- 230000001276 controlling effect Effects 0.000 description 6
- 238000013528 artificial neural network Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- RZVHIXYEVGDQDX-UHFFFAOYSA-N 9,10-anthraquinone Chemical compound C1=CC=C2C(=O)C3=CC=CC=C3C(=O)C2=C1 RZVHIXYEVGDQDX-UHFFFAOYSA-N 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000004590 computer program Methods 0.000 description 2
- 238000013527 convolutional neural network Methods 0.000 description 2
- 230000002401 inhibitory effect Effects 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000000306 recurrent effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000006403 short-term memory Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Artificial Intelligence (AREA)
- Evolutionary Computation (AREA)
- Computational Linguistics (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
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***(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***(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。
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2018/088673 WO2019227279A1 (zh) | 2018-05-28 | 2018-05-28 | 降噪方法、装置和无人机 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110709921A true CN110709921A (zh) | 2020-01-17 |
Family
ID=68698543
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201880031271.XA Pending CN110709921A (zh) | 2018-05-28 | 2018-05-28 | 降噪方法、装置和无人机 |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN110709921A (zh) |
| 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、*** |
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 |
| 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)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109151639B (zh) * | 2014-08-29 | 2020-08-25 | 深圳市大疆创新科技有限公司 | 音频数据采集方法 |
| 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***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*** |
| 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 |
-
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、*** |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2019227279A1 (zh) | 2019-12-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10545392B2 (en) | Gimbal and unmanned aerial vehicle and control method thereof | |
| US10447912B2 (en) | Systems, methods, and devices for setting camera parameters | |
| US10540746B2 (en) | Course profiling and sharing | |
| WO2019242553A1 (zh) | 控制拍摄装置的拍摄角度的方法、控制装置及可穿戴设备 | |
| CN105045279A (zh) | 一种利用无人飞行器航拍自动生成全景照片的***及方法 | |
| JP2017502568A (ja) | 無人航空機、及び無人航空機を用いた音声データ収集方法 | |
| WO2019227289A1 (zh) | 延时拍摄控制方法和设备 | |
| CN109154815B (zh) | 最高温度点跟踪方法、装置和无人机 | |
| US20200036305A1 (en) | Unmanned aircraft, information processing method, and recording medium | |
| WO2021217371A1 (zh) | 可移动平台的控制方法和装置 | |
| WO2020172800A1 (zh) | 可移动平台的巡检控制方法和可移动平台 | |
| WO2020062089A1 (zh) | 磁传感器校准方法以及可移动平台 | |
| CN110568860A (zh) | 一种无人飞行器的返航方法、装置及无人飞行器 | |
| CN109521785B (zh) | 一种随身拍智能旋翼飞行器*** | |
| CN109032184B (zh) | 飞行器的飞行控制方法、装置、终端设备及飞行控制*** | |
| CN110709921A (zh) | 降噪方法、装置和无人机 | |
| WO2021251441A1 (ja) | 方法、システムおよびプログラム | |
| WO2021014752A1 (ja) | 情報処理装置、情報処理方法、情報処理プログラム | |
| JP2020036163A (ja) | 情報処理装置、撮影制御方法、プログラム及び記録媒体 | |
| WO2020168519A1 (zh) | 拍摄参数的调整方法、拍摄设备以及可移动平台 | |
| CN113632037A (zh) | 可移动平台的控制方法和设备 | |
| JP2018078433A (ja) | 移動撮像装置およびその制御方法、ならびに撮像装置およびその制御方法、無人機、プログラム、記憶媒体 | |
| CN110799922A (zh) | 拍摄控制方法和无人机 | |
| WO2021223169A1 (zh) | 无人机的动力输出检测方法和设备 | |
| JP6684012B1 (ja) | 情報処理装置および情報処理方法 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20200117 |
|
| WD01 | Invention patent application deemed withdrawn after publication |