AMR AMR

AMR Isiguquli

Guqula AMR ku futhi kusuka kufomati eziningi

Guqula AMR kwamanye amafomethi

AM AA
AMR kuya ku AAC
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AM AC
AMR kuya ku AC3
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AM AI
AMR kuya ku AIFF
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AM FL
AMR kuya ku FLAC
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AM M4
AMR kuya ku M4A
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AM MK
AMR kuya ku MKV
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AM MO
AMR kuya ku MOV
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AM MP
AMR kuya ku MP3
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AM MP
AMR kuya ku MP4
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AM OG
AMR kuya ku OGG
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AM Op
AMR kuya ku OPUS
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AM WA
AMR kuya ku WAV
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AM WM
AMR kuya ku WMA
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AM We
AMR kuya ku WEBM
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Guqula kube AMR

AA AM
AAC kuya ku AMR
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AC AM
AC3 kuya ku AMR
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AI AM
AIFF kuya ku AMR
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FL AM
FLAC kuya ku AMR
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M4 AM
M4A kuya ku AMR
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MK AM
MKV kuya ku AMR
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MO AM
MOV kuya ku AMR
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MP AM
MP3 kuya ku AMR
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MP AM
MP4 kuya ku AMR
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OG AM
OGG kuya ku AMR
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Op AM
OPUS kuya ku AMR
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WA AM
WAV kuya ku AMR
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WM AM
WMA kuya ku AMR
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We AM
WEBM kuya ku AMR
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Mayelana AMR

I-AMR iyi-codec yokukhuluma ehlobene nokurekhodwa kwezwi nokuxhuma, ngakho-ke umculo uzwakala ubuhlungu kulo.

Ukusetshenziswa Okuvamile

  • Voice recordings
  • Mobile audio
  • Telephony

AMR Imibuzo Evame Ukubuzwa Yokuguqulwa

Yini ihele AMR?
+
AMR (Adaptive Multi-Rate) is an audio format optimized for speech compression.
Noma yini encoder yakuqala ekhetha ukuyisusa, futhi ayikwazi ukubuyiselwa. AMR 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-AMR iyi-narrowband speech codec esebenza phakathi kuka-4.75 no-12.2 kbps, emodela i-human vocal tract endaweni yobubanzi obugcwele be-audio spectrum.
Ngenxa yokuthi ayikho into eyenza ukuthi ithathe umculo. AMR yi-narrowband speech codec eyenziwe nge-mobile networks, elungele ukugcina amagama acacile ku-bitrate elinganiselwa kuma-kilobits we-digit eyodwa. Konke okungaphandle kwe-range yezwi lomuntu kulahlekile ngesikhathi sokuqapha. Ukushintshana ku-full-range format igcina ukurekhodwa kusebenziseka kuwo wonke amathuluzi, kodwa ayikwazi ukufaka emuva iziqongo ezingazange zisampuliswe. I-AMR ibulala umculo: i-8 kHz bandwidth yayo isusa konke okuphezulu kwe-frequency yefoni, futhi akukho inani lokuphindeka kokucofa liyibuyisela emuva.
Ama-voicemail systems, push-to-talk radios, old handsets and telephony recording — lapho i-audio idinga ukuhamba khona ngaphezu kwe-channel encane, ebiza kakhulu. Lo mzali uchaza ukuthi kungani amafayela encane nokuthi kungani ezwakala ngendlela ayenza ngayo. Ukushintshana kwenza ukuthi badlala kwisofthiwe ejwayelekile; ayisebenzi, futhi ayikwazi, ukufaka ukuthembeka okuncane okungekho. I-AMR iyi-Adaptive Multi-Rate, i-codec yokukhuluma i-3GPP ejwayelekile yezingcingo zokukhuluma ze-GSM nezinhlelo zokurekhoda amagama ezimoto.
Uma nje kukhona okuthile okudingayo. Ifomethi ivuliwe, futhi akukho sidingo sokushintsha ingobo yomlando ongeke ukwenze kube nzima, kodwa akuyona indawo lapho ithuluzi noma umphumela uhamba khona. Kunoma yini entsha, ifomethi yamanje ayidingi lutho olungeziwe futhi ivimbela ukulandelana kwesifundo seminyaka emincane kusukela manje.
Amabhuleki aqopha uhlu oluncane, oluqinile lwefomethi yomsindo futhi AMR ungaphandle kwalo, ngakho ihele likhuphuka endaweni yokudlala noma umdlali ukhombisa iphutha. Isofthiwe yedesktop enesethingi se-codec esibanzi ivula ngaphandle kwezinkinga. Uma umsindo udlala kukhasi le-web, ukushintsha kuyinto elungile — akukho ukumiswa komdlali kuzongeza umbhalo oqoshiwe umbhukeli awuthumeli.
Uhlu lwendawo esiya kuyo, hhayi umsuka. Ukudlalwa kwengoma, 256 kuya ku-320 kbps kucacile kuwo wonke umuntu olalelayo; ukukhuluma nokulalela ipodcasts, 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.
Akunakho okukudingayo. Ama-codecs ahlobene ahlobene ne-patent pools, futhi ilayisense libekwe ngabantu abathumela ama-decoders — ifoni, i-browser, i-operating system — isikhathi eside ngaphambi kokuba ihele lifike kuwe. Lokhu kusho ukuthi ifomu likhona kuwo wonke amahardware futhi kungani ama-royalty-free alternatives akhona, futhi ashintshanga noma yini mayelana nokushintsha ifayela oline.
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.
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 uphinde
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.
Ngokuvamile amasekondi. Amafayela amancane asebenza ngokushesha, futhi izimo ezithatha isikhathi esingokoqobo ziyizinto ezisebenza umsebenzi ongokoqobo: ukurekhodwa okude okudinga ukuphinde kubhalwe ifreyimu ngefreyimu, idokhumende elixhunywe lihamba nge-character recognition, noma iqembu elikhulu kakhulu. lapho ukuguqulwa kuphinde kuphinde kuhlanganise noma kuphinde kuhlanganise idatha ekhona ihlala ngokushesha kungakhathaliseki ukuthi ifile ikhulu kangakanani, ngoba akukho okuzokhishwa.

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