201246895 六、發明說明： 【發明所屬之技術領域】 本發明係有關於-種降低噪音的系統及 手持式電子裝置錄音料的系統及其方法，、々尤“―種降低 【先前技術】 在現有技術中，平板電腦或智慧型手機通常使用一個麥 =與通話。纽用者在_智‘€樹機進行賴時，智慧型 通常係_兩個麥克風進行通財的非穩祕音㈣除。例如，知 慧型手機可利用波束形成模綠am_f〇_gpattem)，或利用^ 風與主麥克風㈣的聲音差似肖_話巾嚇穩態噪音。 然而當平板電腦或智慧型手機在進行錄影與/或錄音時，平板電 腦或智慧針機並沒有即時齡錄影現場㈣音㈣能，導致錄影 與/或錄音的效果變差。 【發明内容】 本發明的一實施例提供一種降低手持式電子裝置錄音噪音的系 統。该系統包含一前攝影機、一麥克風陣列及一聲音處理器。該前 攝影機係設置於該手持式電子裝置的前方，用以擷取該手持式電子 裝置前方的影像；該麥克風陣列包含至少二麥克風，用以接收音訊； 該聲音處理器係耦接於該麥克風陣列，用以當影像係由該前攝影機 4 201246895 掏取時，根據-波束形成模式之前波束形賴式和一聲音參數資料 庫中對應於該前波束形成模式的參數，消除來自於該手持式電子裝 置的後方的嗓音。 ~ /本發_另-魏例提供_歸低顿式電子裝置錄音脅音的 系統。該系統包含-前攝影機、—後攝影機、—麥克風陣列及一聲 音處理器。該前攝频係設置於該手持式電子裝置的財，用以擁 取該手持式電子裝置前方的影像；該後攝影機係設置於該手持式電 子裝置的後方，用以掏取該手持式電子較後方的影像；該麥克風 陣列包含至少二麥克風，用以接收音訊；該聲音處理器_接於該 麥克風陣列，用以當影像係由該前攝影機錄時，根據—波束形成 模式之前波束形成模式和-聲音參數㈣料對應⑽前波束形成 模式的參數’消除來自於料持式電子裝置的後方㈣音及當影 像係由該賴職擷_ ’根獅波束形賴式之驗束形成模式 和該聲音參數龍庫帽應於該後波束軸模式的參數，消除來自 於S亥手持式電子裝置的前方的噪音。 /本發明的另一實施例提供一種降低手持式電子裝置錄音噪音的 系統。5t系統包含-後攝影機、—麥克風_及—聲音處理器。該 後攝影機係設斜持式電子裝置的後方，顏齡該手持式電 ，裝置後方的影像；鱗克風_包含至少二麥克風，用以接收音 錢音處理祕祕於該麥克鱗列，用以當雜係由該後攝 影機擷取時，根據—波束形賴式之後絲形成模式和—聲音參數 5 201246895 資料庫中對應於該後波束形賴式的參數，齡來自於該手持式電 子裝置的前方的噪音。 本發明的另-實施例提供-種降低手持式電子裝置的錄音噪音 的方法。财法包含-前攝職_該手持式電子裝置前方的影 像；當該祕影麵取該手持錢子裝置前方的f彡像時，—麥克風 陣列接收音訊；根據-前波束形成模式和—聲音參數資料庫，選擇 對應於該前波束職赋的參數；根據對應於該前波束形成模式的 參數，消除來自於該手持式電子裝置的後方的噪音。 本發明的另-實施例提供一種降低手持式電子裝置的攝影機錄 音噪音的絲。該綠包含-_雜鏡鮮持式奸裝置後方 的影像；當該後攝雜擷取該手持式電子裝置後方的影像時，一麥 克風陣列接收音訊；根據-後波束形賴式和-聲音參數資料庫， 選擇對應於雜絲形成模柄參數；根據制於該後波束形成模 式的參數，消除來自於該手持式電子裝置的前方的嗓音。 立本發明的另-實施例提供一種降低手持式電子裝置的攝影機錄 曰噪音的方法。該絲包含-前攝影機#陳該手持式電计置前方 的影像；當該前攝影鋪取該顿式電子裝置前方的影像時，一麥 克風陣列接收音訊—重力_關_手持式電抒置的z轴與 一重力方向之間的爽角是否小於—預定肢；若該失肖小於該預定 角度’根據-水平前波束形成模式和—聲音參數資料庫中對應於該 6 201246895 =波束形__數，耻來自贿手_子裝置的後方 立。品實施例提供—種降低手持式電子裝置的攝影機錄 财法包含—前郷細轉捕式電子裝置前方 古。…’攝域棘該手持式電子裝置前方的影像時，一麥 一風P列接收音訊；一重力感測器判斷該手持式電子裝置的z轴與 角ΐ力之間的夾角是否大於—預定角度；若該夾角大於該預定 =又’根據-前波束形成模式和—聲音參數資料庫中對應於該前波 形成模柄參數，翁來自_顿式電子裝置的後方的噪音。 、、本發明提供一種降低手持式電子裝置錄音噪音的系統及其方 法。違系統及其方法係—聲音處理器及—聲音參數資料庫中對 應於-波絲賴式(水平前波束形賴式、祕束形麵式、後波 束軸模式)的參數，以消除來自於該特式電子裝置的前方或是後 方由麥克風陣列所接收的噪音^如此，當—使用者使職手持式 電子裝置物錄音時’本發明可有效降健手持式電子裝置的錄音 噪音。 【實施方式】 明參照第1圖，第1圖係為本發明的一實施例說明一種降低手 持式電子裝置錄音噪音的系統1〇〇的示意圖。系統1〇〇包含一前攝 影機102、一後攝影機1〇4、一麥克風陣列1〇6及一聲音處理器1〇8。 201246895 刖攝影機102係设置於手持式電子裝置no的前方，用以擷取手持 式電子裝置110前方的影像，後攝影機1〇4係設置於手持式電子裝 置110的後方，用以棟取手持式電子裝置110後方的影像；麥克風 陣列106包含至少二麥克風’用以接收手持式電子裝置11〇前方及 後方的音訊；聲音處理器108係耦接於麥克風陣列1〇6，用以當影 像係由前攝雜1〇2#貞科’姆—絲形賴式(beamf〇rming pattern)之前波束形成模式(front beam_f〇nning pattem)和一聲音參數 資料庫中職赠絲形絲式的參數，來自料持式電子裝 置m的後方由麥克風陣列所接收的噪音，及當影像係由後攝 影機1〇4娜時’根猶束職模式之缝絲成模式( beam-f_ingpattem)和聲音參崎料庫帽胁後縣形成模式 的參數，㈣來自於㈣式電抒置UG的前方由麥克風陣列ι〇6 所接收的噪音。另外，系統並不受限於同時具有前攝影機收 =㈣韻。系請輔具有前攝影制2錢攝影機 ^此外，㈣麵罐领式電子健⑽的测 本身的選擇，利用前攝影機收或後攝影機104進行錄影。 的；;2照ί 2A圖和第2B圖，第2A圖係為說明前波束形成模式 斤不思，2B圖係為說明後波束形成模式的示 、 所示，勒貭時針旋轉至9。度的 第:圖 的前方)為波束内(beamin) ; 9 手持式電子裝置110 手持式電子裝置⑽的後方)為=^軸至27()度的區域(亦即 攝影機1G2進行錄糾，聲立處 。因此，當啟動前 聲曰處理咨108即可根據前波束形成模式 8 201246895 和聲音參數㈣庫巾對應於前波絲成模式的參數，統來自於手 持式電子miG的後方由麥克風卩物1G6所接收㈣音。亦即聲 处理器108 了根據則波束形成模式和聲音參數資料庫中對應於前 波束形成模式的參數，消除波束外的噪音。如第2B圖所示，27〇度 順時針旋轉至90度的d域(亦即手赋電子裝置11()的财)為波束 外;90度順時針旋轉至，度的區域(亦即手持式電子裝置⑽的後 方)為波束内。因此’當啟動後攝影機1G4進行錄糾，聲音處理器 108即可根據後波束形成模式和聲音參數資料庫中對應於後波束形 成模式的參數，消除來自於顿式電子裝置u㈣前方由麥克風陣 列^所接㈣噪音。亦即聲音處⑽可根據後波束形成模式 #音參崎料庫巾聰於紐束形賴式的減，_波束外的 巧明參展第3八圖和第3B圖’第3A圖係為本發明的另一實施例 圖Γ低手持式電子裝置錄音噪音的系統300的示意圖，和第狃 1〇〇、的Γ月手持式電子裝置110的2軸的示意圖。系統和系統 係用Μ別在於系統姻另包含—重力感測器312。重力感測器312 (如第3Β::)持置110的Ζ軸與-重力方向之間的夾角0 負声m 自衫像係由前攝影機1〇2齡且夾角θ小於-預定 形^模々扣）時聲音處理器108根據波束形成模式之水平前波束 吟立f式電子褒置11㈣後方由麥克風陣列106所接收的 9，轉像係由前攝影機102摘取且夾角0大於預定角度時，聲 201246895 音處理器⑽姆波束形絲式之前波束形雜式和聲音參數資料 庫中對應於前波束形成模式的參數，消除來自於 110的後方由麥克風陣列1()6所接㈣噪音。 ；、 請參照第4圖，第4圖係為本發 ^ ^ 實施例說明一種降低 手持式電子裝置的錄音噪音的方法户藉 贫,心/ 的万〆去之抓私圖。第4圖之方法係利用 第1圖的系統100說明，詳細步驟如下： 步驟400 :開始； 步驟402 ··系統励判斷是否前攝影機脱被開啟或後攝影機辦 被開啟；如果前攝影機102被開啟，進行步驟如 果後攝影機104被開啟，進行步驟412 ; 步驟404 :祕频⑽姆手持式電子輕ug前方的影像； 步驟406 :麥克風陣列1〇6接收音訊； 步驟408 ·_聲音處理器⑽根據前波束形成模式和聲音參數資料 庫，選擇對應於前波束形成模式的參數； 步驟··聲音處理器·根據對應於前波束形成模式的參數，消 除來自於傾式電子裝置11G的後方由麥歧陣列1〇6 所接收的噪音；跳至步驟42〇 ; 步驟412 :後攝影機1〇4擁取手持式電子襄置ιι〇後方的影像； 步驟414 :麥克風陣列ι〇6接收音訊； 步驟416 :聲音處理器⑽根據後波束形成模式和聲音參數資料 庫’選擇對應於後波束形成模式的參數； 201246895 步驟418 :聲音處理器⑽根據對應於減束形賴式的參數消 除來自於手持式電子裝置110的前方由麥克風陣列106 所接收的噪音； 步驟420 :結束。 在步驟402中’使用者可根據手持式電子裝置ιι〇的預設狀離 或是使用者本身的選擇，以前攝影機_後攝影機KH進行肺。 在步驟4〇8和步驟410中，如第从圖所示，27〇度順時針旋轉至 90度的區域為波束内；9()度順時針旋轉謂度的區域為波束外。 3走;=:攝影機1〇2進行錄影時，聲音處理器108即可根據 :===庫中對應於前波束形成模式的參 收㈣立 1置11()的後方由麥克風_1〇6所接 次祖二.亦即f音處理111G8可根據前縣形成模式和聲音參數 ^16 j應於前波束形絲式的參數，消除波束外的噪音。在步 的區域為=4广如第2B圖所示，270度順時針旋轉至90度 外，90度順時針旋轉至27〇度的 :=:=進行錄影時，聲音處理_二二 來自㈣料對應於倾絲賴式的參數，消除 ，手持式電子裝置U。的前方由麥克風陣請所接=除 可根據後波束形成模式和聲音參數資料庫 應後波束形成模式的參數，消除波束外的劈音。 實施例說明一種降低 請參照第5圖，第5圖係為本發明的另一 11 201246895 第5圖之方法係利用 手持式電子裝置_音料的方法之流程圖。 第3A圖的系統300說明，詳細步驟如下： 步驟500 :開始； ^ 502 ： 1〇4 如果前攝影機1〇2被開啟，進行步驟I·如 果後攝影機104被開啟，進行步驟518; 梦鄉504 :前攝影機1〇2擷取手持式電 少驟506 :麥克風陣列1〇6接收音訊； 子裝置110前方的影像； 少_ ••重力感測器312判斷手持式電子裝置UG的Z軸與重力 方向之間的夾角Θ是否小於預定角度?如果是，進行步驟 510 ;如果否，進行步驟514 ; 少雜M0:聲音處理器·根據水平前波束形成模式和聲音參數資 料庫’選撕應於水转波束形賴式的參數； 少雜512 :聲音處理器⑽根據對應於水平前波束形成模式的參 數’消除來自於手持式電子裝置11G的後方由麥克風陣 列106所接收的噪音；跳至步驟526 ,· 少鄉5H :聲音處理器⑽根據前波束形成模式和聲音參數資料 庫，選擇對應於前波束形成模式的參數； 步驟516 :聲音處理器108根據對應於前波束形成模式的參數，消 除來自於手持式電子裝置110的後方由麥克風陣列娜 所接收的噪音；跳至步驟526 ; 梦驟518 :後攝影機104擷取手持式電子裝置11〇後方的影像; 12 201246895 步驟520 :麥克風陣列1〇6接收音訊； 步驟522 :聲音處理器⑽根據後波束形成模式和聲音參數資料 庫，選擇對應於後波束形成模式的參數； 步驟524 :聲音處理器⑽根據對應於後波束形成模式的參數，消 除來自於手持式電子裝置11〇的前方由麥克風陣列 所接收的噪音； 步驟526 :結束。 第5圖的實施例和第4圖的實施例的差別在於在步驟中， 重力感測器312判斷手持式電子裝置⑽以轴與重力方向之間的 是否小於預定角度?在步驟512中，聲音處理請係根據對 應於水平前波束形成模式的參數，消除來自於手持式電子裝置⑽ 的後方由麥克風陣列106所接收的噪音。在步驟516中，聲音處理 益1〇8係根據對應於前波束形成模式的參數，消除來自 子裝置UG的後方由麥克風_ _所接收的噪音⑶卜第^ 的實施例的其餘操作原理皆和第4圖的實施例相同，在此不再費述。 ‘=上· ’本發贿触的降餅持錢子裝置錄 聲錢即及聲音參崎料庫帽應於波2 水平則波束形成模式、前波束形成模式、後波束形成模式〉 列戶^收自於手持式電子裝置的前方或是後方由麥克風陣 本。減’當使財糾物繼梅音時， 本毛月可有效降低手持式電子褒置的錄音噪音。 13 201246895 ======吻專侧 【圖式簡單說明】 電子裝置錄音噪 第1圖係為本發明的—實施例朗-餅低手持式 音的系統的示意圖。 第2A圖係為說明前波束形成模式的示意圖。 第2B圖係為說明後波束形成模式的示意圖。 第林發_另—實補降低傾技奸 音的系統的示意圖。 木 第狃圖係為說明手持式電子裝置的Z軸的示意圖。 電子裝置的錄 第4圖係為本發明的另—實施例說明—種降低手持式 音嗓音的方法之流程圖。 第 5圖係為本發_另—實施例說明—種降低手持式電子 音噪音的方法之流程圖。 裝置的錄 【主要元件符號說明】 100、300 102 104 106 系統 前攝影機 後攝影機 麥克風陣歹|J 聲音處理器 108 201246895 110 312 400 至 420 500 至 526 手持式電子裝置 重力感測器 步驟 15201246895 VI. Description of the Invention: [Technical Field] The present invention relates to a system for reducing noise and a system for a hand-held electronic device recording material, and a method for the same, and a method for reducing the amount of the prior art In technology, a tablet or a smart phone usually uses a mic=and a call. When a new user uses a _zhi's tree machine, the smart type is usually _ two microphones for the unsteady sound of the money (four). For example, the Zhihui mobile phone can use the beamforming mode green am_f〇_gpattem), or use the sound difference between the wind and the main microphone (4) to scare the steady noise. However, when the tablet or smart phone is recording When recording and/or recording, the tablet or the smart needle machine does not have a live video recording (four) sound (four), which results in poor video and/or recording effects. [Invention] An embodiment of the present invention provides a reduced handheld electronic device. A system for recording noise. The system includes a front camera, an array of microphones, and a sound processor. The front camera is disposed in front of the handheld electronic device. The image is in front of the handheld electronic device; the microphone array includes at least two microphones for receiving audio; the sound processor is coupled to the microphone array for capturing images from the front camera 4 201246895 The sound from the rear of the handheld electronic device is eliminated according to the beamforming pattern before the beamforming mode and the parameter corresponding to the front beamforming mode in the sound parameter database. ~ / 本发_又-魏For example, the system provides a system for recording the threat of the low-voltage electronic device. The system includes a front camera, a rear camera, a microphone array and a sound processor. The front camera system is disposed on the handheld electronic device. Obtaining an image in front of the handheld electronic device; the rear camera is disposed behind the handheld electronic device for capturing an image of the rear of the handheld electronic device; the microphone array includes at least two microphones for receiving Audio; the sound processor is connected to the microphone array for when the image is recorded by the front camera, according to the beamforming mode The front beamforming mode and the -sound parameter (4) correspond to the (10) front beamforming mode parameter 'eliminating the rear (four) tone from the holding electronic device and when the image is determined by the Lai 撷 _ 'Gen lion beam shape The beam forming mode and the parameters of the sound parameter of the rear beam axis mode are used to eliminate noise from the front of the handheld electronic device. /Another embodiment of the present invention provides a method for reducing the recording of the handheld electronic device. Noise system. The 5t system includes a rear camera, a microphone _ and a sound processor. The rear camera is equipped with a rear-mounted electronic device, the face is the handheld power, the image behind the device; the gram wind _ contains At least two microphones for receiving the audio money processing secrets in the microphone scale column, for when the hybrid system is captured by the rear camera, according to the beam shape after the silk formation mode and the sound parameter 5 201246895 database The parameter corresponding to the post-beam shape is the noise from the front of the handheld electronic device. Another embodiment of the present invention provides a method of reducing the recording noise of a handheld electronic device. The financial method includes - pre-recording _ the image in front of the handheld electronic device; when the secret image takes the f-image in front of the handheld money device, the microphone array receives the audio; according to the - front beamforming mode and - sound The parameter database selects a parameter corresponding to the front beam assignment; and cancels noise from the rear of the handheld electronic device according to a parameter corresponding to the front beamforming mode. Another embodiment of the present invention provides a wire that reduces the recording noise of a camera of a handheld electronic device. The green includes an image of the rear of the _ mirror, and when the rear camera captures the image behind the handheld electronic device, a microphone array receives the audio; according to the -after beam shape and the sound parameter The database is selected to correspond to the moiré forming mold handle parameters; the arpeggio from the front of the handheld electronic device is eliminated according to the parameters made in the post beam forming mode. Another embodiment of the present invention provides a method of reducing camera recording noise of a handheld electronic device. The wire includes an image of the front camera and the handheld camera; when the front camera captures the image in front of the electronic device, a microphone array receives the audio-gravity_off_handheld device Whether the refresh angle between the z-axis and a gravity direction is smaller than - the predetermined limb; if the loss is smaller than the predetermined angle 'according to the horizontal front beamforming mode and the sound parameter database corresponds to the 6 201246895 = beam shape __ Count, shame comes from the rear of the bribe hand _ sub-device. The embodiment of the invention provides a camera recording method for reducing the hand-held electronic device, including the front-end fine-scanning electronic device. When the image in front of the handheld electronic device is photographed, a P-column receives the audio; a gravity sensor determines whether the angle between the z-axis and the angular force of the handheld electronic device is greater than - predetermined Angle; if the angle is greater than the predetermined = and the 'according to the front beamforming mode and the sound parameter database corresponding to the front wave forming the mold handle parameter, the noise from the rear of the electronic device. The present invention provides a system and method for reducing the recording noise of a handheld electronic device. Violation of the system and its method—the parameters of the sound processor and the sound parameter database corresponding to the -wave-type (horizontal front beam shape, the secret beam shape, the rear beam axis mode) to eliminate the The noise received by the microphone array in front of or behind the special electronic device is such that when the user is recording the handheld electronic device, the present invention can effectively reduce the recording noise of the handheld electronic device. [Embodiment] Referring to Figure 1, FIG. 1 is a schematic diagram showing a system for reducing the recording noise of a handheld electronic device according to an embodiment of the present invention. The system 1A includes a front camera 102, a rear camera 1〇4, a microphone array 1〇6, and a sound processor 1〇8. 201246895 The camera 102 is disposed in front of the handheld electronic device no for capturing images in front of the handheld electronic device 110. The rear camera 1 is disposed behind the handheld electronic device 110 for holding the handheld device. An image of the rear of the electronic device 110; the microphone array 106 includes at least two microphones for receiving audio in front of and behind the handheld electronic device 11; the sound processor 108 is coupled to the microphone array 1〇6 for The front beam is a beamform pattern (front beam_f〇nning pattem) and a parameter of the sound parameter database. The noise received by the microphone array behind the holding electronic device m, and the beam-f_ingpattem and sound osmosis library when the image is used by the rear camera 1〇4na The parameters of the hatchback county formation mode, (4) from the noise received by the microphone array ι〇6 in front of the (four) type electric device UG. In addition, the system is not limited to having the front camera receiving = (four) rhyme. Please attach a front camera 2 money camera. In addition, (4) face tank neck type electronic health (10) measurement itself, use the front camera to receive or the rear camera 104 to record. 2; Fig. 2A and Fig. 2B, Fig. 2A is a diagram illustrating the front beamforming mode, and Fig. 2B is a diagram showing the post beamforming mode, and the rotation of the hour hand is rotated to 9. The front of the figure: the front of the figure is beamin; 9 the hand-held electronic device 110 behind the handheld electronic device (10) is the area from =^ axis to 27 () degrees (that is, the camera 1G2 is recorded and corrected, sound) Therefore, when starting the sonar processing, the 108 can be based on the front beamforming mode 8 201246895 and the sound parameter (4). The library towel corresponds to the parameters of the front wave pattern, and the microphone is used from the rear of the handheld electronic miG. The sound is received by the object 1G6, that is, the sound processor 108 eliminates the noise outside the beam according to the parameters of the beamforming mode and the sound parameter database corresponding to the front beamforming mode. As shown in FIG. 2B, 27 degrees The d-domain rotated clockwise to 90 degrees (ie, the wealth of the electronic device 11) is off-beam; the 90-degree clockwise rotation to the extent of the area (ie, behind the handheld electronic device (10)) is in-beam Therefore, when the camera 1G4 performs recording correction after the startup, the sound processor 108 can eliminate the microphone array from the front of the electronic device u (4) according to the post-beamforming mode and the parameter corresponding to the post-beamforming mode in the sound parameter database. ^ Connected to (4) noise, that is, the sound (10) can be based on the post-beamforming mode. The sounds are in the shape of the beam, and the _ beam is out of the blue and the 3D and 3B '3A The figure is a schematic diagram of a system 300 for recording noise of a low-handheld electronic device according to another embodiment of the present invention, and a schematic diagram of a 2-axis of the handheld electronic device 110 of the first month. System and System The difference is that the system contains the gravity sensor 312. The gravity sensor 312 (such as the third::) holds the angle between the x-axis of the 110 and the direction of gravity 0 negative sound m When the front camera is 1〇2 and the angle θ is smaller than the predetermined shape, the sound processor 108 rotates according to the horizontal front beam of the beamforming mode to the rear of the f-type electronic device 11 (four). When the image is taken by the front camera 102 and the angle 0 is greater than the predetermined angle, the sound of the 201246895 sound processor (10) in the beam-beam type before the beam-shaped hybrid and the sound parameter database corresponding to the front beamforming mode is eliminated from the parameters. The rear of 110 is connected to the microphone array 1 () 6 (four) noise. Please refer to Fig. 4, which is a diagram of a method for reducing the recording noise of a hand-held electronic device. The method of borrowing poverty, heart/thinking. The method of Fig. 4 is illustrated by the system 100 of Fig. 1. The detailed steps are as follows: Step 400: Start; Step 402 • System excitation determines whether the front camera is turned off or the camera is turned on; if the front camera 102 is turned on If the camera 104 is turned on, proceed to step 412; Step 404: The image of the front side of the hand-held electronic light ug; Step 406: The microphone array 1〇6 receives the audio; Step 408 · The sound processor (10) is based on a front beamforming mode and a sound parameter database, selecting parameters corresponding to the front beamforming mode; Step··Sound processor·Removing the rear from the tilting electronic device 11G by the maiden according to the parameter corresponding to the front beamforming mode The noise received by the array 1〇6; skip to step 42〇; step 412: the rear camera 1〇4 captures the image behind the handheld electronic device ιι〇; step 414: the microphone array ι〇6 receives the audio; step 416: The sound processor (10) selects a parameter corresponding to the post beamforming mode according to the post beamforming mode and the sound parameter database; 201246895 Step 418: Sound The processor (10) cancels noise received by the microphone array 106 from the front of the handheld electronic device 110 according to a parameter corresponding to the beam reduction mode; Step 420: End. In step 402, the user can perform lungs according to the preset state of the handheld electronic device or the user's own selection, and the previous camera_back camera KH. In steps 4〇8 and 410, as shown in the figure, the area where the clockwise rotation is 90 degrees to the 90 degree is in the beam; the area where the 9 () degree clockwise rotation is the out-of-beam. 3;;: When the camera 1 〇 2 is recording, the sound processor 108 can be based on: === the corresponding correspondence in the front beamforming mode in the library (4) 1 is set to 11 () behind the microphone_1 〇 6 The second ancestor II. That is, the f-tone processing 111G8 can eliminate the noise outside the beam according to the pre-counter formation mode and the sound parameter ^16 j in the front beam-shaped wire type parameter. In the step area is =4 wide as shown in Figure 2B, 270 degrees clockwise rotation to 90 degrees, 90 degrees clockwise rotation to 27 degrees: =: = when recording, sound processing _ 22 from (four) The material corresponds to the parameters of the slanting type, eliminating, the handheld electronic device U. The front of the microphone is connected to the microphone array. In addition, the out-of-beam arpeggio can be eliminated according to the parameters of the post-beamforming mode and the sound parameter database. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Referring to Figure 5, Figure 5 is another flow chart of the present invention. The method of Figure 5 is a flow chart of a method for utilizing a handheld electronic device. The system 300 of FIG. 3A illustrates that the detailed steps are as follows: Step 500: Start; ^ 502: 1〇4 If the front camera 1〇2 is turned on, proceed to step I. If the camera 104 is turned on, proceed to step 518; Dream 504 : The front camera 1 〇 2 captures the handheld power 506: the microphone array 1 〇 6 receives the audio; the image in front of the sub-device 110; _ _ • the gravity sensor 312 determines the Z-axis and gravity of the handheld electronic device UG Is the angle Θ between the directions less than the predetermined angle? If yes, proceed to step 510; if not, proceed to step 514; less miscellaneous M0: sound processor · according to the horizontal front beamforming mode and the sound parameter database 'select tearing should be in the water The parameters of the diverted beam shape; less 512: the sound processor (10) cancels the noise received by the microphone array 106 from the rear of the handheld electronic device 11G according to the parameter corresponding to the horizontal front beamforming mode; skip to step 526 , Shaoxiang 5H: The sound processor (10) selects parameters corresponding to the front beamforming mode according to the front beamforming mode and the sound parameter database; Step 516: The sound processor 108 responds according to The parameters of the front beamforming mode cancel the noise received by the microphone array from the rear of the handheld electronic device 110; skip to step 526; the dream 518: the rear camera 104 captures the image behind the handheld electronic device 11; 12 201246895 Step 520: The microphone array 1〇6 receives the audio; Step 522: The sound processor (10) selects a parameter corresponding to the post-beamforming mode according to the post-beamforming mode and the sound parameter database; Step 524: The sound processor (10) according to the corresponding The parameters received by the microphone array from the front of the handheld electronic device 11A are eliminated from the parameters of the post-beamforming mode; Step 526: End. The difference between the embodiment of Fig. 5 and the embodiment of Fig. 4 is that in the step, the gravity sensor 312 determines whether the handheld electronic device (10) is less than a predetermined angle between the axis and the direction of gravity. In step 512, the sound is Processing removes noise received by the microphone array 106 from behind the handheld electronic device (10) based on parameters corresponding to the horizontal front beamforming mode. In step 516, the sound processing benefit 1 〇 8 is based on the parameters corresponding to the front beamforming mode, eliminating the noise received from the microphone _ _ behind the sub-device UG (3). The embodiment of Fig. 4 is the same and will not be described here. '=上· 'This bribe touches the falling cake holding money device to record the sound and the sound of the ginseng library cap should be at the wave level 2 beamforming mode, front beamforming mode, post beamforming mode> Received from the microphone array in front of or behind the handheld electronic device. Less than when the financial corrections follow the Meiyin, this month can effectively reduce the recording noise of the handheld electronic device. 13 201246895 ======Kissing side [Simplified illustration] Electronic device recording noise Figure 1 is a schematic diagram of the system of the present invention - a low-handle low-hand tone. Figure 2A is a schematic diagram illustrating the front beamforming mode. Figure 2B is a schematic diagram illustrating the post beamforming mode. The first forest is a schematic diagram of the system that reduces the slapstick. The wood diagram is a schematic diagram illustrating the Z-axis of the handheld electronic device. The fourth drawing of the electronic device is a flow chart of a method for reducing the hand-held sound and sound of the present invention. Fig. 5 is a flow chart showing a method for reducing the noise of a hand-held electronic sound according to the present invention. Recording of the device [Main component symbol description] 100, 300 102 104 106 System Front camera Rear camera Microphone array | J Sound processor 108 201246895 110 312 400 to 420 500 to 526 Handheld electronics Gravity sensor Step 15