HUE031966T2 - Kompander berendezés és eljárás kvantálási zaj csökkentésére továbbfejlesztett spektrális kiterjesztést használva - Google Patents
Kompander berendezés és eljárás kvantálási zaj csökkentésére továbbfejlesztett spektrális kiterjesztést használva Download PDFInfo
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- HUE031966T2 HUE031966T2 HUE14720877A HUE14720877A HUE031966T2 HU E031966 T2 HUE031966 T2 HU E031966T2 HU E14720877 A HUE14720877 A HU E14720877A HU E14720877 A HUE14720877 A HU E14720877A HU E031966 T2 HUE031966 T2 HU E031966T2
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- G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
- G10L21/0316—Speech enhancement, e.g. noise reduction or echo cancellation by changing the amplitude
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- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
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- G10L19/02—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
- G10L19/0204—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders using subband decomposition
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- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/02—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
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- G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
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- G10L21/0208—Noise filtering
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- G10L25/18—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being spectral information of each sub-band
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- H—ELECTRICITY
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- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
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- Acoustics & Sound (AREA)
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- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Quality & Reliability (AREA)
- Computer Networks & Wireless Communication (AREA)
- Mathematical Physics (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
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Claims (4)
- KOMPAlWER BERSNDRy.fcî ÉS Ï.UÀ«ÀS KVAWÀUSI ZM < SC>KKBN"niSÍ.KE rovA&»rai£$/TI.Y \ NfFkrRU f«.*Jm<U % x Sàtbat&ttmi igënypifmak k Eljárás andlèàd kise^srtésérm smelynek során audiőjeU-í fogadunk; és s/, aadiojdet kiser|es?.tmn eljárás sdjáa k kepe··.etess. disnnmkmartmxmnYra scrjc.srtjük kn ahoi a. káencsztésí kijárás kérésedé si a fogadon ss ad eh elet meghmátoxom ab 1 a k i%g vén ! sy e 1 kíőszeg·· mmtselax; bontjuk, ar aadïôjsî frekvenciatartománybeli ábrázolásának nem essergsaakmá átlagát meoah, ΐ I e\Nemeim mmm-sm a' no v«tv* vk mmdcgs ,ke(x ' vk's-ax« sïes>mo smas lank, as a kiterjeszted dtnam&atartományú atukpid eibáknásahoa ae sdoaeegmetisek uünde^j?· kén osyedl arbsstésértéksbef díli-slmazunk, ahol m: egyedi emskésértékefe aiknknaibhat ai a Ä •aOiOiág nays -mcn/masa vrnioensc\t't et öltjük as a s m/esix Lg 1- s\ tmoncnám.! aéeernesssekm csillapítjuk. 2. \z i- igénypont szerinti ehsirés. ahol Átlapoló szegmensek#.aüllÄtoatk
- 3. X m. moons s s o < us is Ί x a,, hajaik 1 í ím, ív st< toraink'* abmx> í s^kvl <v -ho/ tortcrk esemzéeehe? oL^'' o/sadkn-skos hax/nàlunk es a moginxsmmmsr ablak faggvesn a? első s?n-röb&nk pmioíiposszöfójének letol meg. ' X I ígeospont sec 'ti oignas, dől ,st Ί,ο semohaohos ksadueaea r. rndm* nme í*>MI > bak vagy rövid idei® Fourk'rrt.ranszlbraiá.eiá egy ike képuzk s \ ' igcnypons ,>rmmts visas as. -hol o oases idOsAgmesmek sackssSsa oK'sisesOi a 'omjVk'ie me s.TgeiiBsbeh aiyn ok ies/hmmmmsmk abas mavaoa hasznaK« szamitiek is. Ax 5. Igénypont szerinti eljárás, slid ax aisivok részhalmaza megteki az első szörbbsnsk által iefe-<jvn telles k ekxmmImmloatánynak
- 7. Eljárás aadiójei ösvzenyomásám, amelynek során kimdnllsb smdlhjekf fopdunk; és s knndtd&m aadióim eredet, dsamnkntartomnnxmmk k ex em csal kentoschea: a b muta lass attdldielatikompmssAlês ©yltiä àpri összenyomjuk, ahol a krmspíeasrida eljárás; feerxádbms .as kik indulási am.kojeies siseghaíározost sddaMaggsémnel szemnesemkre bontják, a kinnksiásí aadkjol stadívenciatartományheli mintáinak nem encrgiaalapó sít ingát használva a frpkvenctortnmá·*' tuen s^k>,s,îsù em'sttw monot, ok u tabbra \í\>,wlac k» > tru «ornas« szegs»ense& lelerom-séaéhex és a viszonylag ssagy intenzitású szegmensek csillnpításálsoz « szegmensek mindegyikén; egyedi m osue«értékek«* mkálmáxmsk> ív \ χ,Χ x' t V xí iCIÍ'í j ‘ ' lv\\ l' ' U X s V X * ' S' X d x" \ S x <·*. Íí ?t y<<>0 O ! X 50 X'Pxlx ** ÜK < x’i < > ^ x>xx4nÍ0 b x.ZÍ ' ttík £' rmegkakho.zoh ahíakíüggvény uä ets5 szürőhank pfoto{ipn»rôjéMek:.:f#ld,^$?j.. tv X I earstvut '-xf'xisi'í xsiaras. ;\v! o „ « » v>* »bankot kvadránsra ΟΡΡΟ <>h \ x«« ^QMI} dán** vagy rövid Idejű F»urier-rraHsa:fem#C}6 képezi... 10. A 8. igénypont szonmi eljárás, ahol ez. egyedi mkkésmékek mmde§gnkPi megieteó tdósxeg·· mdpMbslt stsávok réxS*hainutzának abáv nnntáit. használva számítják, 11. A 10, <j»én\px>m avermh elírás, ah»'! ftMri$&vok re-sy-haltnaza megtsdof nz eNo v/utóKtnk alkn teleden teljes frekvenciatartományttak. továbbá «hol az erősítést az eiao sztköbstm tartományán ni kai mázzuk 12. A 10. igénypont szeri m i elpkás, ahol so-: egyez eiószegmensek erősítését as egyes klószegmensek tészsáv sn Imáinak p-tmrmmábái szánnszMiuk, ahol p egy 2-től khíötdtöxő pozitív valós szám, K>. Betxmdázés sutdiojei isszaovomfeára, amely tartalmaz éléi interfészi kiindulást audtojei fogadásához; és kompresszort a kiindulási audiéjel eredeti dinaihtkntnnoináayáMk lényegi csökkentéséhez a & indulást sédénél ősszienyamásához » lőmdaláo audtójel meghatározott ahiaktUggvény használa- χ\ X n <itv»td s X íít s ' k X m ' V *» ϊχ X nekvsnusamrtoin&u&'bx rm <u «χ ι snergiaalap'xi átlagénak im.müáiatával a íVekstmciatanománycst székssávh erősítés ktszíamtásh. * >V 4'0x t\ xnvx ! iox m\mZ‘S O xgntv i <Λ xVl sV V 'N >t O * \ xâg ' Î.Y -H iU su szegmensek csillapításához. a szegméitlsek tmndvgy liant egyedi erövttétsértéhek alksin:azm;& révén. 14> Bs rendezés and iójo I k I ter;jesgtésér (¾ date ly s art a I n t az: else interfözt ősszestyomoh amilpjel iogadstsshoz; és expandert az sőssztmyom-.ut mtihéjvl lényege hon ereden nemt-ÖStv enyot nőtt dtmumkatsrtmnlmya visszaállításához as Ssszenyumött audtőjel kiterjesztéséhez az oaxeemyomod xtuchojei meghatározott ubinkltiggvény használatával történő ti/ogmensefe.iteMáé; az összenyomott audlotel ;*x k \ e",eug;y n.'<!08;0 heh Οί,η,,η nem mugí sdaes xUPyas az huxíaal y usai x oowesauomonzi Bvon szélessávú efosíics szfmSâsa, IdvabOá nv^is^ylÄg.nillfllteuiÄi szeamensek téleidshèsèhez ee a viszonylag kis intenzitású szeg·^ nsnxeks díep u duv ts^yeeískn1 <. evx\'kxü x\U\h xio sk x.ikkel i\,á νη.χα1
- 15. Szám Oógé g gel olvasható tartós, nemfelejtó ndnttärolO, amely egy az 1-4. vagy 7-12, igénypontok bsrnieHike - andalí e,\n s- \ego.k,iu,'kahnas , ,<οί<ο»Ρ<\ ostshsovs' x.yarns'gép, paya am>t tarialioaz.
Applications Claiming Priority (2)
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US201361809028P | 2013-04-05 | 2013-04-05 | |
US201361877167P | 2013-09-12 | 2013-09-12 |
Publications (1)
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HUE031966T2 true HUE031966T2 (hu) | 2017-08-28 |
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HUE14720877A HUE031966T2 (hu) | 2013-04-05 | 2014-04-01 | Kompander berendezés és eljárás kvantálási zaj csökkentésére továbbfejlesztett spektrális kiterjesztést használva |
Country Status (24)
Country | Link |
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US (6) | US9947335B2 (hu) |
EP (3) | EP3564953B1 (hu) |
JP (7) | JP6026678B2 (hu) |
KR (7) | KR102509345B1 (hu) |
CN (8) | CN114566183A (hu) |
AP (1) | AP2015008800A0 (hu) |
AU (1) | AU2014248232B2 (hu) |
BR (2) | BR112015019176B1 (hu) |
CA (1) | CA2900724C (hu) |
CL (1) | CL2015002278A1 (hu) |
DK (1) | DK2981963T3 (hu) |
EA (1) | EA028755B9 (hu) |
ES (1) | ES2617314T3 (hu) |
HK (4) | HK1254790A1 (hu) |
HU (1) | HUE031966T2 (hu) |
IL (8) | IL300496A (hu) |
ME (1) | ME02623B (hu) |
MX (1) | MX342965B (hu) |
MY (2) | MY197063A (hu) |
PL (1) | PL2981963T3 (hu) |
RU (2) | RU2600527C1 (hu) |
SG (1) | SG11201506134XA (hu) |
WO (1) | WO2014165543A1 (hu) |
ZA (1) | ZA201600393B (hu) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9947335B2 (en) * | 2013-04-05 | 2018-04-17 | Dolby Laboratories Licensing Corporation | Companding apparatus and method to reduce quantization noise using advanced spectral extension |
US9584911B2 (en) * | 2015-03-27 | 2017-02-28 | Cirrus Logic, Inc. | Multichip dynamic range enhancement (DRE) audio processing methods and apparatuses |
WO2017080835A1 (en) | 2015-11-10 | 2017-05-18 | Dolby International Ab | Signal-dependent companding system and method to reduce quantization noise |
WO2017132366A1 (en) | 2016-01-26 | 2017-08-03 | Dolby Laboratories Licensing Corporation | Adaptive quantization |
KR102067044B1 (ko) * | 2016-02-17 | 2020-01-17 | 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. | 과도 프로세싱을 향상시키기 위한 사후 프로세서, 사전 프로세서, 오디오 인코더, 오디오 디코더, 및 관련 방법 |
US9934788B2 (en) * | 2016-08-01 | 2018-04-03 | Bose Corporation | Reducing codec noise in acoustic devices |
JP6816277B2 (ja) * | 2017-07-03 | 2021-01-20 | パイオニア株式会社 | 信号処理装置、制御方法、プログラム及び記憶媒体 |
RU2691122C1 (ru) * | 2018-06-13 | 2019-06-11 | Ордена трудового Красного Знамени федеральное государственное бюджетное образовательное учреждение высшего образования "Московский технический университет связи и информатики" (МТУСИ) | Способ и устройство компандирования звуковых вещательных сигналов |
CN112771610A (zh) * | 2018-08-21 | 2021-05-07 | 杜比国际公司 | 用压扩对密集瞬态事件进行译码 |
CN112639968A (zh) | 2018-08-30 | 2021-04-09 | 杜比国际公司 | 用于控制对经低比特率编码的音频的增强的方法和装置 |
CN110265043B (zh) * | 2019-06-03 | 2021-06-01 | 同响科技股份有限公司 | 自适应有损或无损的音频压缩和解压缩演算方法 |
RU2731602C1 (ru) * | 2019-09-30 | 2020-09-04 | Ордена трудового Красного Знамени федеральное государственное бюджетное образовательное учреждение высшего образования "Московский технический университет связи и информатики" (МТУСИ) | Способ и устройство компандирования с предыскажением звуковых вещательных сигналов |
CR20220230A (es) | 2019-10-28 | 2022-06-15 | Merck Sharp & Dohme | Inhibidores de pequeñas moléculas de mutante g12c de kras |
WO2021219798A2 (en) | 2020-04-30 | 2021-11-04 | Dolby International Ab | Method, apparatus and system for enhancing multi-channel audio in a dynamic range reduced domain |
JP2023533427A (ja) | 2020-06-01 | 2023-08-03 | ドルビー・インターナショナル・アーベー | 生成ニューラル・ネットワークのパラメータを決定するための方法および装置 |
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