Yuav ua li cas mus qhib, Kho kom raug, thiab Hloov cov ntaub ntawv AMR
Ib daim ntawv nrog AMR daim extension ntxiv yog ib daim ntawv Adaptive Multi-Rate ACELP Codec file. ACELP yog tib neeg hais suab paj nruag algorithm uas ua rau Algebraic Code Excited Line Prediction.
Vim li no, Adaptive Multi-Rate yog siv cov cuab yeej los ntawm kev siv cov ntaub ntawv uas yog cov neeg hais lus, xws li kev hu xov tooj ntawm tes thiab VoIP cov ntaub ntawv.
Yuav kom txo cov kev siv bandwidth thaum tsis muaj suab ua si hauv cov ntaub ntawv, AMR hom siv cov yees xws li Kev Tiv Thaiv Tsis Taus (DTX), Kev Nres Hluav Taws Xob (CNG), thiab Voice Activity Detection (VAD).
AMR cov ntaub ntawv raug cawm nyob rau hauv ib qho ntawm ob hom ntawv nyob ntawm seb qhov ntau npaum li cas. Cov kev vib this thiab cov ntaub ntawv txuas ntxiv rau cov ntaub ntawv AMR kuj yuav txawv vim qhov no. Muaj ntau ntxiv rau hauv qab no.
Ceeb Toom: AMR kuj yog ib qho tseem ceeb rau tus neeg khiav dej num xov tooj thiab cov suab / suab paj nruag (ib qho kev nthuav dav rau ntawm lub niam ntawv ), tab sis lawv tsis muaj dab tsi ua nrog Cov Ntawv Teev Npe Feem Ntau Ntawv.
Yuav Ua Dab Tsi Ua Ntaub Ntawv Raug AMR
Ntau cov suab nrov / video players yuav qhib AMR cov ntaub ntawv los ntawm lub neej. Qhov no muaj xws li VLC, AMR Player, MPC-HC, thiab QuickTime. Ua si hauv AMR cov ntaub ntawv nrog Windows Media Player tej zaum yuav tau siv K-Lite Codec Pack.
Audacity mas yog cov suab editor, tiam sis nws tsis txhawb AMR cov ntaub ntawv, thiab yog li ntawd, nws muaj qhov txiaj ntsig ntxiv ntawm koj cia hloov AMR suab zoo li.
Qee cov Kua, Hauv, thiab BlackBerry cov cuab yeej tsim AMR cov ntaub ntawv ntau dhau, thiab yog li ntawd lawv yuav tsum tau ua si lawv tsis muaj qhov tshwj xeeb app. Piv txwv, qee qhov Android thiab BlackBerry siv cov AMR hom rau cov suab kaw (lub BlackBerry 10, tshwj xeeb, tsis tuaj yeem qhib AMR cov ntaub ntawv).
Yuav Hloov Cov Ntaub Ntawv AMR Li Cas
Yog hais tias tus AMR daim ntawv me me zoo nkauj, Kuv pom zoo siv cov ntaub ntawv pub dawb hauv internet. Qhov zoo tshaj plaws hauv online AMR converter yog tej zaum FileZigZag vim nws muaj peev xwm hloov tau cov ntaub ntawv rau MP3 , WAV , M4A , AIFF , FLAC , AAC , OGG , WMA , thiab lwm yam tawm tswv yim tsis muaj download tau software rau koj lub computer.
Lwm qhov kev xaiv rau kev hloov AMR cov ntaub ntawv yog media.io. Zoo li FileZigZag, media.io sau nkaus hauv koj lub web browser. Cia li muab cov ntaub ntawv AMR tso rau hauv, qhia rau nws paub tias koj xav kom nws hloov dua siab tshiab, thiab mam li download cov ntaub ntawv tshiab rau koj lub computer.
Ntxiv rau AMR Player los saum toj no, uas tsis tau tsuas yog ua si tab sis kuj hloov AMR cov ntaub ntawv, yog ib qho av handful ntawm lwm AMR converters uas tuaj yeem tau downloaded .
Ntsis: Ib qhov kev qhia hais hauv cov downloadable AMR converters yog Freemake Audio Converter, tab sis lub tuam txhab uas xa cov kev pab cuam no kuj ua rau hu ua Freemake Video Converter . Kuv hais qhov kev pab cuam vim hais tias thaum nws yog feem ntau yog xam qhov video file converter, nws kuj txhawb cov AMR hom ntawv. Daus nws yuav ua pov thawj los tau lig rau yav tom ntej yog tias koj xav tau hloov cov ntaub ntawv video.
Xav paub ntxiv txog AMR Ntaub Ntawv
Cov ntaub ntawv AMR yog nyob rau hauv ib hom ntawm cov ntawv no: AMR-WB (Wideband) lossis AMR-NB (Narrowband).
Adaptive Multi-Rate - WideBand cov ntaub ntawv (AMR-WB) cov ntaub ntawv txhawb ntau zaus ntawm 50 Hz mus 7 Khz thiab ntsis nqi ntawm 12.65 kbps mus 23.85 kbps. Lawv yuav siv AWB cov ntaub ntawv txuas ntxiv es tsis yog AMR.
AMR-NB ntaub ntawv, tiam sis, muaj tus nqi ntawm 4.75 kbps rau 12.2 kbps thiab yuav xaus rau .3GA ib yam nkaus thiab.
Tseem Yeej & # 39; Qhib Koj Cov Ntaub Ntawv?
Yog tias koj tuaj yeem tsis zoo li tau txais koj cov ntaub ntawv qhib cov lus qhia saum toj saud, saib ob zaug kom koj nyeem cov ntawv txuas ntxiv kom raug. Nws yooj yim rau nws nrog ib tus ntawv sau zoo ib yam, tiam sis zoo li cov ntaub ntawv txuas ntxiv tsis tau txhais hais tias cov hom ntawv tawm tswv yim zoo sib xws los yog tias lawv tuaj yeem siv nrog cov cuab yeej software.
Piv txwv, AMP cov ntaub ntawv nthuav tawm zoo nkaus li phem heev li AMR tab sis tsis yog me ntsis txog. Ua raws li qhov txuas mus kawm ntxiv txog AMP cov ntaub ntawv yog tias hom ntawv cov ntaub ntawv koj tau ua tiag nrog.
Qee cov ntaub ntawv hu ua AMR (AMC Video), AML (Automake Makefile Template), AMV (Anime Music Video), AMS (Adobe Monitor Setup), thiab AMF (AMP) Kev Raug Ntxiv.
Vim hais tias cov AMR hom ntawv raws li lub thawv 3GPP, 3GA yog lwm daim ntawv thov ntxiv no hom yuav siv. Txawm tias 3GA siv suab, tsis txhob cuam tshuam nrog cov ntaub ntawv 3GP video thawv.
Ntxiv rau qhov ntawd, thiab ua rau nws tag nrho cov kev xav paub ntau tshaj, AMR-WB cov ntaub ntawv uas xaus nrog AWB, zoo heev hauv kev sau cov ntaub ntawv AWBR uas yog WriteOnline WordBar cov ntaub ntawv siv nrog Clicker. Ntxiv dua thiab, ob hom qauv tsis muaj dab tsi ua nrog lwm tus thiab tsis ua hauj lwm nrog tib daim ntaub ntawv.