TW200810561A - Apparatus and method for encoding and decoding plurality of digital data sets - Google Patents
Apparatus and method for encoding and decoding plurality of digital data sets Download PDFInfo
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- TW200810561A TW200810561A TW096114166A TW96114166A TW200810561A TW 200810561 A TW200810561 A TW 200810561A TW 096114166 A TW096114166 A TW 096114166A TW 96114166 A TW96114166 A TW 96114166A TW 200810561 A TW200810561 A TW 200810561A
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- Engineering & Computer Science (AREA)
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- Signal Processing For Digital Recording And Reproducing (AREA)
Description
200810561 九、發明說明: 【發明所屬之技術領域】 本發明係有關編碼及解碼數位資料,特別是視訊及音 訊資料的領域,及資料儲存及傳輸。 【先前技術】 傳統最新目前技術水準音訊及視訊編碼及傳輸系統, 如ISO或MPEG-4 (ISO國際標準化組織,MPEG =動晝專 豕群組)通常使用壓縮裝置,如MpEG_4AAc(AAc二先進音 訊編碼)之音訊壓縮,及如IS〇 14496_丨,MPEG_4系統之錄 放串流中的資料儲存裝置。 然而,這些目前技術水準系統缺乏完全及真實提供如 音訊CD(CD=壓縮碟片)及CDDA(CDDA=壓縮碟片數位音 訊)之傳統音訊及視訊儲存系統性能的能力。 由於該解中所使用之轉換為基礎音訊編碼演算,如心 理弇%特性,所以解碼串流中發生之演算延遲及編譯碼器 框邊界捨入,會產生原始及解碼信號之間的時間失配。圖7 說明此現象。圖7顯示一數位資料組(DDS),例如其可對應 時間TDDS開始的編碼音訊軌。當此數位資料組被傳送至一 解碼器時,該解碼版本係產生一解碼延遲,例如一碼 音訊軌會具有-延遲重播。例如,若音訊CD執被連續錄 放,且其包含連續音訊材料於該原始CD中,如生活紀錄, 則其可能產生有聲間隙。圖8說明之情況通常可能發生。 圖8顯示時間軸及四數位資料組DDS1_4。考慮ddsi及 DDS2 ’圖8顯示其潛在性重疊,例如其涉及彼此重疊的音 5 200810561 訊執及視訊執。DDS2亦重疊DDS3及DDS4。再者,圖8 顯示DDS1及DDS3之間具有一間隙。然而,DDS3及DDS4 之間並無間隙。DDS3及DDS4係涉及上述例,例如若其被 稱為音訊軌,則其持續於原版中播出,然而,若其被編碼 入獨立編碼音訊軌,則如圖7之前解釋者,會因卿3及 DDS4之間具有編碼延遲而發生撥出間隙。 再者,這些編碼系統通常不可儲存如音訊或視訊信號 之特定事件附加時序資訊,而此藉由如指標圖之音訊cd 2 DVD則可彳了。例如,指制可標稀掌及纽紀錄結 ^及識別實際音樂開始。再參考圖S,指標圖可包含起始 Td:及概時序資訊。圖8酬讀位:紙 如卿2之視訊執,其位於若干音訊執DDS1,DDS3及 ΓΓ互錄峨_肚編碼,_損個別 才貝。扎。亥編碼系統通常不 類似如音訊CD或彻l DVD之 °蛛式於 且古g、_ π h 〈、、°構中,其於音訊CD例中 再者,這些編碼系統不能運载附=之夕/ §fL執。 :於附加實體媒體中,如專輯原圖之影像^ =加^科。另外,這㈣統不能 ] 定===保列音訊軌個別等化設定或撥出設 因此,本發明目的係提供編碼及 置及方法,以有效方式維持個別及相互時序夕資2貧料組裝 200810561 【發明内容】 之一 =目的係H由編碼多數位詩組,具有 庫一^__方法及裝置來達成,其中—資料框= 組依二之位元數不同’該多數位資料 内容封包中的/詈3可將該多數位資料組聚集於― 列資訊聚集於1加進;'步包含可將該時序上之序 位貝科組關係可從該序列資訊導出。 之巾數 框4:的:f:步藉由解碼多數位資料組,具有-資料 ZSL夕私 母等間區間之位元數不同,导姑金2 序上之序列資貧料組,該附加封包具有該時 該序列資訊導出,該解數位資料組關係可從 加封包的一襄置,且一内容封包及附 包棟取該多數位施,‘^:^内容封 以該序列資訊為基礎排序該數位資料电取序列貝讯,並 ’該序列資訊具有兩數位資 間區間’每時間區間之位元數㈣ #_對應-時 數位資料㈣序上之相:R ° _加封包具有該多 料組關係資訊。 200810561 本赉明係以甚至耗損編碼數位^ 包含多數位資料組之一資料封内各亦可被連續儲存於 間包含個別時序資訊及相互時^:若不同數位資料組之 於序列資訊或附加封包中,射·之時序魏亦被儲存 為基礎。使用健存於該附加封包中之 以其原始_存及傳送數位資二二 法及衣置係以不依_立處理 方 演算的方式來解決這些問題。样明7 j曰/或視賴縮 實體CD媒體特性,如連續 ::例= 也匹配 , 1 了刀口夺日才示圖,位圖原圖, 及如歌S,小冊子,標解之元f :::整IT元資料,一^ 用非吊 >、工、間及全數位型式儲存CD的數 明實施例亦提供附加特性,如大聲資 、^ ★ 較佳保護傾聽者耳朵及聽覺系統。:+ :、口又疋以 【實施方式】 圖1說明編碼多數位資料組褒置1〇〇實施例。圖i顯 不解碼裝置100實施例方塊圖,包含可聚集多數位資料組 之裝置110,及可聚集序列資訊之裝置12〇。聚集多數位資 ^組裝置110係具有用於内容封包之—輸出請。聚集序列 資。K波置120係具有用於附加封包之—輸出刚。聚集多數 位資料組miG及聚集序列資訊裝置12G係被互連,且 具有用於多數位資料組資訊,具有―資料框結構之一數位 資料組的輸入150,其中一資料框係對應一時間區間,每時 間區間之位元數不同,而該多數位資料組係以時序排序。 200810561 本發明-實施例t,輸人15G係對應音訊cd内容。聚集 多數位資料組裝£ ! 10可從輸入15〇所提供之音訊cd原始 =’,用如AAC或MP3之_格式於其触13〇處產 -内容槽,包含音訊CD特定軌。藉由提供以心理聲塑 壓縮之堡縮資料,一旦多數位資料組被解碼及重播,則I f生潛在解碼延遲。因此’聚集序列資訊裝置可儲^ 來自如音訊CD的原始序列資訊。本發明—實施例中,此 係對應若干軌的起始點。另—實施例中,原始CD上之軌 =間的暫停或間隙持續期間及時間,係被儲存或提供於起 °點上1轉序㈣贿置12G可於其輸出U0處提供包 含序列資訊的附加封包。該序列資訊可導出兩數位資料組 ,係。圖1說明實施例方塊圖’係顯示聚集多數位資料組 、置110及聚集序列資訊裂置120經由其輸人15〇連接。 本=明另-實施例中,原始多數位資料組輪入於聚集多數 位育料組裝置11G及聚集序列資訊裝置12G之間並 =輸=可被互連,其任-均具有_料數位資料組 1具序職訊之雜序職絲置12G所提供的其 訊’係為編碼類型’編碼速率,編碼延遲或編碼本身的資 訊。本發明實施例係包含所有類型數位資料組,如封 包Γ之音訊貢料’視訊資料’如辦公文件的任何類型元次 料等。 、 本發明另-實施例中,聚集序職訊裝置12G 數位資料組之位址或邏輯純於序㈣訊中的内容封包 200810561 内士。再另-實施射,料序職訊裝置m可包含時戮, 日寸序貧訊或起始點之時序偏移。本發㈣—實施例中 祕列資訊裝置丨2G可額外將元㈣包含於附加封包i =別產生包含如數位資料組或任何其他元資料之聲塑, 荨化設定,顯示蚊,重播選擇雜之—或組合資_一 元賢料封包。本發明另_^ 貫施例中,編碼多數位資料組裝 置100進—步包含可聚集㈣料封包的裝置。 J田本發職他實施例提供之附加資訊,進-步包含 =t樂H’賴,標題,名稱,,綱訊,出 ^作者,團體,歌手,譯者,錄音位置,流 標鐵,封面等資訊。 胃丁 :z 明解碼多數位f料組裝置實施例方塊 圖。圖2顯示解碼多數位資料組,具有一 =資料組裝置細,其中—資料框係對應_:時駆間,每 :間位:數不同,該被解碼多數位資料組依時序排 yn容封包及-附加封包。_容封包包含多數 立貪料組,該附加封包具树序之序訊,該序列資訊 ==2資料_可從該序列:#訊導出。解碼裝置細 7 内容封包及附加封包的裝置加。解碼裝置· 千控制器22G,可從該内容封包擁取該多數位資 =非序細立賢料組。可讀取内容封包及附加封包的裝置 讀取合提供_包_°封包。圖2說明 '及控制益220間之兩連接。本發明實施例僅 10 200810561 具有讀取裝置210及控制器220間之單實體耦人。 圖3顯示本發明另一實施例方塊圖。類似圖° 2, 明本發明包含讀取裝置21〇及控制器細之解瑪衫 貫施例。另外,圖3顯示_合至控制器22〇之、 如上述,控制器22〇可擷取數位資料組,及提卿。數 料組至解碼ϋ 230,解碼來自附加封包之相貝。 =可從附加封包及序列資訊導出先前已 圖4說明當重播音訊軌或視訊幸 解碼延遲發生。圖4顯示說明控制器咖===免 至解碼β 230的圖!示4〇〇。當解碼器23 貝〆,且 mtr22G會從附加封包所包含之序列 並提供數位延遲, 之圖示410標示,解碼器於其輸出解碼該數位資0料中 该被解碼數位資料組係及時可得。圖示、:、、'且後, τ可藉由事先提供數位資料組至解碼器來補:: t事先提供触資料組及解碼延遲係彼此^ 田日守間TDDS獲得該被解碼資料。 ;k 圖5說明本發明另—實施例。圖$說明之 關數位資料組何時重疊,也就是被解碼資料細+财 重疊例,且其亦有關解碼 ,、、、^於捋域中何時 編碼數位施被彼此提供:二即使兩 延遲。圖5顯示發雜解碼㈣亦會引起編碼 U貫細例。裝置200包 200810561 含耦合至控制器22G之讀取|置21G。類似圖4示㈠亥控制 器係:皮耦合至解碼器230’以提供編碼數位資料組。圖5中, 控制器220亦被轉合至附加解碼器说,以提供編碼數位資 料^藉由排列解碼器23〇及235,控制器22〇甚至可協調 重璺貝料組,及補償特定碼使用之初始 一實施例中,控制器220可進-步掏取上述之元月另
圖6况明發明性資料槽之兩實施例。於圖6頂部,說 月包3内谷封包610及附加封包62〇的資料槽繼實施例。 於圖6底部,另一資料槽630包含内容封包640,附加封包 650及元資料封包_。元㈣封包_包含上述之任何元 資料’然而’圖6說明之資料槽_及_均可包含元資 料,然而,貧料檔600可具有附加封包62〇中之元資料。、 本發明-魏射,圖6 之㈣_被胁資料儲存 或傳輸。 元資料包含如聲響設定,等化設定,顯示設定 選擇,樂器’歌詞,標題,名稱’歌曲名稱,剪輯資訊, 出處,作者,團體,歌手,譯者,錄音位置,流派,封面, 小冊子,標籤’或任何其他元資料之群組之—或組合。 本發明一實施例係為如MpEG_4系 IS〇_IEC14496_1(IEC=國際電付術社群)之已建立串流林 式延伸的最新儲存格式。此實施例中,即使解碼系统。 ::方法’仍可解碼或播出該串流,但並無增加任何J 本發明實施例重要優點係為附加封包,其可說明原始 12 200810561 數位資料組之擷取資訊,或輪入 ^ 執内之任伽加時相移。 及⑨錄位資料組或 遲之可選_加資訊,於解° '包可伴隨編碼系統延 失配 較下不會有解碼數位資料組及;^^’啼圖4相 ^ ^ 數位貝料組之間的時序 幵有,本發明 儲存於目標串流中的連續音::戶=輪入音訊執聚集於被 性,即使如·叫統之基礎;統可以:最大相容 市場上大多數解碼器不能 別7存夕日訊執,但 多執。因此,健^ 觸存於MP职槽的 可選擇是 式_訊,其可針對如歌 :成。亦可針對所有被儲存音訊式 者,流派等。 ^市曰凡貝枓’如專輯名稱,作 再者’本發明實施例亦可依據音訊程d視^^八 別整體,也就是如整個收隼声史塑Z式或視〇味式刀 於解碼裝置以料咬Γ 響貧料。此資訊可被用 ㈣力損害。s’防止音突然聲響改變所產生的任 再者,本發明實施例亦提供如通常於音訊CDs或視訊 中朗之傾型式賴面或小冊子影像原圖,使此資 料可被顯示及/或印製於傳輸解碼側上。 本I明進—步提供將多音訊程式,轨或串流封裝於 單’連續_程式及聚㈣財,即使於目前技術水準已 13 200810561 :法_耗損音訊可選擇處理之後,亦可保存原始 =的精韻續期間。再者,本發明係創造-種館存^義 寅算㈣編碼處理之可獅音訊編碼裝置 ^映射特性之邏輯結翻式的❹流#訊,及2 至非編碼)音訊程式持續期間的時間資訊 统9 °子衣置上的方法。可替代是,識別編碼系 ,所以解碼裝置可藉由使』 串流時間該編碼系統靖訊,來扣除該聚集 W擇疋單或多聚集串流資訊封包,係可以定義立 名稱,、^羅疋’該邏輯結構可定義單或多音訊串流 名稱:_、、、σ構包含儲存於聚⑽流巾之單或多 式音_響資訊’或該邏輯結構包含儲存於聚隹串、、 :或多音訊程式相關附加資料資訊,如藝人,流:,;之 祕,歌詞均可被儲存。可選擇性被儲存之另_資料# 為如原始音訊程式相關原圖表示之位圖 ^串 流中之單或多音訊程式相關附加資料資訊。者存於♦集串 本發明另—實施例巾,_方法係 構中安跨越傳輸媒體轉換至目的電^ 例巾,準備聚料流之裝置,係包含可 始輸入曰訊程式及相關元資料,處理它們 收原 置。其可進-步包含可獲得單或多立 匕門的裝 們儲存於聚集串流中嫩。另;; 14 200810561 及解碼該料㈣並齡它_裝置。再另—實施例中, 該裝置進-步包含可恢復如長度之原始音姉式時間資 訊,及措由改變贿碼音補號及使频儲存資訊消除編 碼處理所產生之輯的I置。可娜是,其可進—步包含 藉由使用被儲存資訊改變解碼音訊信號聲響的裝置。 視發明性方法特定實施要求而定,可以 實施發明性方法。該實施可使 更體飞季人體末 則m妙h 使用數位储存媒體來實施,特 存其上之電子可讀控制信號的碟片,請 =,其可射程式電_齡作來實雜發雖方法。、雨 ,該程式碼可_電難式產品運算於電腦上 腦上時,該發雜方 :…4式運算於電 方法的程式碼。_具村執行至少—個該發明性 4=^!!!!!^也就是說,當_腦程式運 200810561 【圖式簡單說明】 使用附圖詳述本發明實施例,其中 圖1顯示編碼裝置實施例方塊圖; 圖2顯示解碼裝置實施例方塊圖; 圖3顯示解碼裝置另一實施例方塊圖; 圖4說明解碼發明性方法一實施例; 圖5顯示解碼裝置另一實施例; 圖6顯示可儲存或傳輸之發明性資料封包兩實施例; 圖7說明解碼一延遲的目前技術水準;及 圖8顯示數位資料組例。 16 200810561 【主要元件符號說明】 100 編碼裝置 130 内容封包輸出 140 附加封包輸出 150 原始資料輸入 200 解碼裝置 400 時圖編碼數位資料組 410 時圖解碼數位貢料組 600 一資料檔 610 内容封包 620 附加封包 630 一資料檔 640 内容封包 650 附加封包 660 元資料封包 DDS 數位資料組 DDS1-4 四數位資料組 Tdds 數位資料組(DDS)可對應時間 TdDS1-4 起始點 Tdec 解碼延遲 17
Claims (1)
- 200810561 十、申請專利範圍: 種用以編碼複數數位資料組及具有一資料框纟士 =-數位資料組的裝置_,其中該複數數位資料組^至 二t位二料具有發生一解碼延遲的耗損編碼音訊資料, 广有該S料框結構的該數位資料組中-資料框係對鹿— ’每時間區間的位元數不同’該複數數位資料詛 係依一蚪序排序,該裝置(100)包含: ⑽)用2將該複數數位資料組聚餘—时封包的農置 用以將㈣序序列資訊聚集於—附 (:2=序列資訊使得從該树 、關係,邊解碼延遲可基於此而可補償。 2·如申請專利範圍第i項的裝置(觸), 集序列資訊的裝置(賴用於包含數位資料組起始雜: 貧訊或邏輯指標#訊於該内容封包及該序列資訊心 隹庠請專利細第1項的裝置⑽),其_以聚 了序列㈣的裝置⑽_於將數位 彻增訊包括於心: 4. 如申請專利範圍第!至3項中任—項 其中該用以聚集序列資訊的展置⑽)係用於包含該序 Λ中一編碼類型、一編碼速率或_ 人 、 组合進-步資訊。 、麵的群組其中之-或 5. 如申請專利範圍第1至4項中任-項的裝置_, 18 200810561 ,中該用以編碼的裝置(_進-步包含用以聚集元資料的 I置,該元資料句冬—咐士貝料勺 箄 s化3—附加封包中聰位資料組的聲響、 ^化认疋、顯示設定、或重播選擇的群組 合的進一步資訊。 之戈、、且 6:如申請專利範圍第5項的裝置(⑽),其中· ,貝枓的襄置係用於將數位資料組 詞、標題、名稱、歌曲名稱、剪輯資訊、出二::歌 合:4==:一或-組 中^^術爾5或6中任—項的裝_),其 面^^資料的裝置係用於將一數位資料組的一封 資f括群組財之—或—組合的進一步 貝讯包括在該元資料封包中。 ^ 1中專利範圍第1 i 7項中任-項的褒置_, 或該姆,加封包、 9 於—輸饱$ _於傳輪或儲存。 〜1申5圍第1至8項中任一項的裝置_, /、中數位貧料組係包含一視訊執。 10.如申請專利範圍第9項的裝置⑽),其令 料組係為—心理聲響編碼音訊執。 、 料_^料利範,項__,其中一數位資 十、、且係為一耗損編碼資料封包。 的—^―以編碼複數數位資料組及具有—資料框結構 貝斗組的方法,其中該複數數位資料組的至少兩 19 200810561 延遲的耗損編碼音訊資料,於具 區間,資料框係對應-時間 一時序排序’包含步驟為:。禮數數位貧料組係依 ==位資料組聚集於-内容封包中;及 使得從該序歹集:―附加封包中’該序列資訊 延遲可基於此而可補償。礼_關係,该解碼 的-解碼複數數崎料組及具有—資料框結構 少兩數位二=,(2()()) ’其中該複數數位資料組的至 具發生一解碼延遲耗損編碼音訊資料,於 ” <貝;4框結構的該數位資料 : 間區間,每時4 貝科杧係對應一時 料㈣從^ ㈠讀不同’該解碼的複數數位資 容封包及一附加封包依一時序排序,該内容 數數位請組,該附 列資訊,該序列資㈣尸兮广P 有守序上的序 的-表現關係,該裝貧訊可導出兩數位諸組 可讀取該内容封包及該附加封包的裝置⑽);及 一控制器⑽),可從該内容封包 封包摘取該序列資訊,該序列== 礎排序趙位_他,使得鞠碼延射被補償。 Μ垂如申請專利範圍第13項的裝置阐,進—步 組的一解碼卿)’該解碼器(23〇)與該控 ()耦合,該控制器(220)用於提供數位資料組至該解 20 200810561 使該解碼的數㈣料組可依該時間序列中而排 15. 如申請專利範圍第14 _裝置(2〇〇),進—步包含 可解碼數位貧料組的—仏解碼器=物湖器_搞合,該控制器心 、'且至。亥弟—解碼器(235),使來自該解碼器(2瑪及該第二 解碼器(235)的解碼數位㈣組可依該時間序列而排序。一 16. 如申請專利範圍第13至15項中任 _) ’其中該控制器⑽)係用於從該序㈣訊擷取該=容 封包内的-數位資料_—位址或—邏輯 的資訊。 灸敢,、、占 Π.如申請專利範圍第13至16項中任—項的裝置 ⑽),其巾該㈣器(22_祕從該序職_取勒容 封包内的數位資料組起始點的—時戳、—時序資訊或一日士 序偏移資訊。 T 18·如申請專利範圍# 13至17項中任一項的裝置 (2〇〇),其中該控制器(220)係用於從該附加封包擷取—編碼 類型、一編碼速率或一編碼的群組其中之一或一組合。, 19·如申請專利範圍第13至18項中任一項的裝置 ⑼〇),其中該控制器(220)係用於從一附加封包擷取聲響、 等化設定、顯示設定、錄放選擇、樂器、歌詞、標題名稱、 歌曲名稱、剪輯資訊、出處、作者、團體、歌手、譯者、 錄音位置,流派、封面、小冊子、標籤,或任何其他元資 料的群組其中之一或一組合的進一步資訊。 21 200810561 如申請專利範圍第13至19項中任一項的裝置 _) ’其中該控制器(220)係用於從該内容封包掏取—視 轨。 ° (200^1請專利範圍第14至2〇項中任一項的裝置 。亥解碼态(230 ; 235)係用於解碼心理聲響編%數 位資料組或耗損編碼數位㈣組。 曰扁馬數 22·-種用以解碼複數數位資料組及具有一資料框 咖,其中該複數她 貝枓具有發生-解碼延遲耗損編碼音訊資料,於且有 結構的該數位資料組中—資料框係對應一時間ί 數數位附加封包依—時序排序,該内容封包包含複 係,包含步^:列貝5孔可導出兩數位資料組的一 00關 ^該内容封包擷輔複數触資料組; 從該附加封包擷取該序列資訊;及 延遲〜亥序列資訊為基礎排序該數位資料組以補償該解碼 23·—種資料檔(600),其包 一附加封包(620 · Mm 4 谷化(610 ; 640)及 位資料ΓΓ 封包_ ’· 64g)具有複數數 料具有發生」解碼2 f灵數數位資料組的至少兩數位資 組具有—資料:白、耗知編碼音訊資料,-數位資料 讀框結構’其中—資料框係對應一時間區間, 22 200810561 每時間區間的位元數不同,該附加封包(620 ; 650)具有該複 數數位資料組的一時序的序列資訊,該序列資訊具有兩數 位資料組的一表現關係上的資訊,而基於此可補償該解碼 延遲。 24. 如申請專利範圍第23項的資料檔(6⑻),進一步包 含聲響、等化設定、顯示設定、錄放選擇、樂器、歌詞、 標題名稱、歌曲名稱、剪輯資訊、出處、作者、團體、歌 手、譯者、錄音位置、流派、封面、小冊子、標籤、或任 何其他元資料的群組其中之一或一組合的資訊。 25. 如申請專利範圍第23至24項中任一項的資料檔 (600),其中一數位資料組係包含心理聲響編碼音訊資料或 耗損編碼貧料。 26. 如申請專利範圍第23至25項中任一項的資料檔 (600),其中一數位資料組係包含視訊資料。 27. —種具有一程式碼的電腦程式,當一程式碼於一電 腦上運算時,用於執行申請專利範圍第12或22項所述的 方法。 23
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US9058797B2 (en) | 2009-12-15 | 2015-06-16 | Smule, Inc. | Continuous pitch-corrected vocal capture device cooperative with content server for backing track mix |
US9601127B2 (en) | 2010-04-12 | 2017-03-21 | Smule, Inc. | Social music system and method with continuous, real-time pitch correction of vocal performance and dry vocal capture for subsequent re-rendering based on selectively applicable vocal effect(s) schedule(s) |
US10930256B2 (en) | 2010-04-12 | 2021-02-23 | Smule, Inc. | Social music system and method with continuous, real-time pitch correction of vocal performance and dry vocal capture for subsequent re-rendering based on selectively applicable vocal effect(s) schedule(s) |
US8996364B2 (en) | 2010-04-12 | 2015-03-31 | Smule, Inc. | Computational techniques for continuous pitch correction and harmony generation |
US9866731B2 (en) | 2011-04-12 | 2018-01-09 | Smule, Inc. | Coordinating and mixing audiovisual content captured from geographically distributed performers |
US11488569B2 (en) | 2015-06-03 | 2022-11-01 | Smule, Inc. | Audio-visual effects system for augmentation of captured performance based on content thereof |
US11310538B2 (en) | 2017-04-03 | 2022-04-19 | Smule, Inc. | Audiovisual collaboration system and method with latency management for wide-area broadcast and social media-type user interface mechanics |
CN110692252B (zh) | 2017-04-03 | 2022-11-01 | 思妙公司 | 具有用于广域广播的延迟管理的视听协作方法 |
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JP2009534696A (ja) | 2009-09-24 |
WO2007121776A1 (en) | 2007-11-01 |
EP2011338A1 (en) | 2009-01-07 |
US20070250323A1 (en) | 2007-10-25 |
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