Opus Amathuluzi

Guqula Opus kuya futhi kusuka kumafomethi ahlukahlukene

Mayelana Opus

I-Opus iyikhodekhi yomsindo evulekile, engenamali enikeza ukucindezelwa kwekhwalithi ephezulu kukho kokubili inkulumo nomsindo ovamile. Ilungele izinhlelo zokusebenza ezahlukahlukene, kufaka phakathi i-voice over IP (VoIP) nokusakaza.

Ukusetshenziswa Okuvamile

Voice calls
Low-latency streaming
Web audio

Opus Imibuzo Evame Ukubuzwa Yokuguqulwa

Yini ihele Opus?

Opus is an open audio codec designed for interactive speech and music transmission.

Ingabe ubuhle bulahlekile kuhele Opus?

Noma yini encoder yakuqala ekhetha ukuyisusa, futhi ayikwazi ukubuyiselwa. Opus icindezela ngokumodela lokho okungekuqaphela indlebe - imisindo ekhululekile ehlala ngaphansi kwezikhulu, iziqongo eziphezulu zokulalela - futhi isuse ngokuqhubekayo. Ku-bitrate ephephile engeke ikwazi ukulalela wonke umuntu. Okunye okungaba khona kubuyiselwa emuva, ngakho ukushintshana kufomethi engalahlekelwa yisimo samanje ngaphandle kokubuyisela okungaphambili. I-Opus iqala ngokukhuluma kusuka ku-6 kbps mono speech kuya ku-510 kbps stereo music ku-bitstream efanayo futhi ishintsha indlela ngokuzenzakalela.

Kungani okuqukethwe kwewebhu kuthunyelwe njenge Opus?

Ngokuba ifakwe ngokukhethekile le misebenzi: amafayela amancane, ukuqala ngokushesha, akukho plug-in futhi akukho layisense lokukhathazeka. Lokhu kwenza kube ngcono ekunikezelweni futhi kungaphawuleka nganoma yini enye - amathuluzi okuhlela, ama-gallery wefoni namadivayisi adala ahlala ekhohlwa. Ukushintsha ifomu elijwayelekile-lomsebenzi yilokho okukwenza okuqukethwe okulayishelwe kusebenziseke ngaphandle kwe-web. I-Opus iyi-codec engcono kakhulu ezwakalayo elahlekile ezincintisanani eziphansi nge-margin ecacile, futhi inamandla ama-WhatsApp voice notes, Discord ne-WebRTC.

Ingabe ihele Opus lingathwala i-5.1 surround mix?

Yebo - ifomu liphatha iziqhagamshelanisi ezingaphezu kwezingu-2 ngokufanele, ngakho-ke ukuhlanganisa okugqamile kugcina isakhiwo sesiqhingi saso ngaphandle kokucindezelwa kwe-stereo ngendlela efanele. Uma ukhuluma ngayo njenge-surround kuxhomekeka kukuphela kokuphela: umlayezo uzosusa wonke ama-channels, ifoni izocindezela phantsi ngesikhathi sokudlala ngaphandle kokukhathazeka. Ukushintshana ku-stereo-only format kwenza ukuthi ucindezelwe ngokuqhubekayo.

Ingabe Opus ikhona futhi ikhona ukuxhaswa okubanzi?

Kuncane njalo ngonyaka, kodwa ibanga liyiqiniso. Usizo lwesofthiwe lwafika ngokushesha; usizo lwehardware luvela kuphela ngezinto ezintsha, futhi ifoni, i-TV noma umdlali phambi kwakho ungase uqale ngokulula. lapho kuxhaswa khona kungcono kakhulu kunalokho okuhlobene nohlelo olushintshayo, ngakho-ke kufanelekile ukushintshana ukuze kuthunyelwe futhi kufanelekile ukushintshana ngaphandle kokusebenza.

Ingabe Opus izodlala ngokuqondile kwikhasi le-web?

Yebo. Opus iphakathi kwefomethi yomsindo i-browser iyi-decode, ngakho ingafakwa kungxenyekazi yomsindo noma kumdlali wepodcast futhi isebenza kuwo wonke amathuluzi ngaphandle kweplugin noma ihele elibuyela emuva. Lokhu kwenza kube yinjongo yoshicilelo ephephile, futhi yilokho okuguqula ukurekhodwa okungekuhle kube yifomethi evame ukuba yindlela encane yokuyithola idlala kuwebhusayithi.

Yini i-bitrate okufanele ngiyiguqule amafayela ami Opus?

Uhlu lwendawo esiya kuyo, hhayi umsuka. Ukudlalwa kwengoma, 256 kuya ku-320 kbps kucacile kuwo wonke umuntu olalelayo; ukukhuluma nokulalela, 96 kuya ku-128 kbps kuningi futhi kushiya ihele ngaphesheya. Ukungenisa umsindo ngaphezu komsuka we-bitrate kulahlekile isikhala — kugcina umsindo osele udlulele nge-lossy pass futhi akubuyiseli lutho umngenisi wokuqala olahlekile.

Ubani olawula i Opus?

Akukho muntu, engqondo ukuthi kubaluleke: izici ziyizwe, ukucushwa kumahhala ukubhalela, futhi akukho nkampani engakwazi ukuguqula izimo ngemuva. Lokhu kusho ukuthi ivela kumathuluzi avulekile kanye nemithetho yokugcina, lapho ifomu elilawulwa ngumhlinzeki ngamunye liyingozi. Ukuthengiswa kuxhaswa kokuthengiswayo - kuvame ukuba yifomethi enezici ezinhle kakhulu nedivayisi ehambisanayo. Opus kuyinto IETF standard kusukela 2012 ukuthi wahlanganisa Skype SILK ulwimi codec ne Xiph CELT music codec eyenziwe eyodwa.

Ingabe ukushintshana kushintsha isilinganiso sesampula se Opus yami yomsindo?

Akunakwenzeka ngaphandle kokuthi ucela. Ukuguquka kugcina umsuka wezinga — 48 kHz uhlala 48 kHz, 44.1 kHz uhlala 44.1 kHz — ngoba ukusatshalaliswa kabusha kubiza kakhulu futhi akusebenzi uma akukho okudingayo. Iziphuzo zikhona: ama-CD omsindo adinga u-44.1 kHz, abanye abadlali behardware abadala bamukela okuthile, futhi amapayipi omsindo avame ukudinga u-16 kHz. Misela izinga ngokucacile ngalezi zinkinga bese ushiya icala linye.

Ingabe ngingenza ngiphinde ngibize isiqephu endaweni yokushintsha Opus?

Kunzima kakhulu, futhi kufanelekile ukuqonda ukuthi kungani: isithonjana siyisihloko, ngenkathi ama-bytes ngaphakathi kufakwe ngefomethi eyodwa ekhethekile. Ukushintsha igama kwenza ihele igama lakhe lithembisa okuthile okuqukethwe kwayo akusho ukunikela, futhi noma yini evula ihele noma liyiphoqa noma liyifunda kabi. Ukuphela kwephutha elincane yifomethi ezimbili ezikhona ngokusemthethweni ibhokisi elifanayo ngaphansi kwezinhlamvu ezahlukene — futhi ngisho lapho ukuphinda ubhale kahle kuphephile kunalokho ukushintsha igama.

Yini ezoba nehele lami Opus ngemuva kokuguqulwa?

Isuswa ngokuzenzakalela. Ukufaka kanye nemiphumela eguqulwe ihlala kumaseva ethu cishe amahora angama-24, oshiya isikhathi sokulanda imiphumela, bese isuswa ngokuzenzakalela. Ukudluliswa kuhamba nge-HTTPS emigwaqweni emibini. Akukho muntu ofunda okuqukethwe, akukho okuhlobene, futhi akukho okudluliswa kunoma ubani.

Ingabe ukuguqula i-Opus kuzothatha isikhathi esingakanani?

Ngokuvamile amasekondi. Amafayela amancane asebenza ngokushesha, futhi izimo ezithatha isikhathi esingokoqobo ziyizinto ezisebenza umsebenzi ongokoqobo: ukurekhodwa okude okudinga ukuphinde kwenziwe ukukopela ifreyimu ngefreyimu, idokhumende elihlolwe lihamba nge-character recognition, noma iqembu elikhulu kakhulu. lapho ukuguqulwa kuphinde kuhlanganise idatha ekhona ihlala ngokushesha kungakhathaliseki ukuthi ihele likhulu kangakanani, ngoba akukho okuzosuswa.