Tshintsha i-AAC

I-Free Online AAC Speed Changer

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Iyalayisha

Utshintsho lwesantya se AAC

1 Layisha phezulu i AAC audio files ofuna ukuyibuyisela kwixesha elidlulileyo.

2 Khetha umphinda-phindo - 0.5x kwisantya esiphakathi, 2x kwisantya esiphindwe kabini - ukuhlala ngokuthe nkqo ngaphakathi kwe 0.75x ukuya kwi 2x ukuba okuqulethwe kukuthetha.

3 Sebenzisa; ixesha- lokutsala ligcina umphakamo, ngoko imiyalezo ihlala iqhelekileyo endaweni yokutshintsha phezulu.

4 Layisha ezantsi ifayili ebizwa kwakhona AAC — efutshane okanye ende kwinqanaba elichanekileyo, nge-bitrate nesampula yexabiso elingangeni manzi.

Tshintsha i-AAC Imibuzo ebuzwa rhoqo

I Tshintsha i-AAC itshintsha njani umyinge wokudlalwa?

Ngokucacileyo, i-tempo itshintshwa nge-WSOLA yexesha-lokujikeleza elishiya umphakamo phantsi, ngoko ukuthetha kuhlala kucacile endaweni yokujika ibe yi-chipmunk; oku kudinga ukucoda kwakhona, ngoko khetha ukhawulezo lwakho. Khetha umphinda-phindo — 0.5x kwisantya esiphakathi, 2x kwisantya esiphindwe kabini — kwaye ifayile yonke iphinde ibizwa.

Ingaba ukukhawulezisa kuyakwenza ukuba imiyalezo isebenze ngokuphezulu?

Hayi. Umhla- wokuphumla ugcina umphakamo, ngoko 1. 5x umkhondo wokuthetha uthetha njenge umntu ofanayo othetha ngokukhawuleza kunokuba njenge chipmunk. Lo ngumsebenzi phakathi kwexesha- lokuphumla elifanelekileyo nokudlala kuphela iisampulu ngokukhawuleza.

Ingaba ifomati yombhalo ibangela ukuba iphumeze?

Iyenza. I-AAC yi-MP4-family lossy codec, ethetha kakuhle kune-MP3 kwi-bitrate efanayo ne-emiselweyo yezixhobo ze-Apple. Eli limisela ukuba i-retimed efunyenwe ingabhalwa kwakhona ngexabiso eliphantsi okanye kufuneka iphinde ikhowudiwe ngokupheleleyo.

Nantoni na ekhethekileyo kwi AAC apha?

Ewe — I-AAC ithatha ulibaziso lwe-encoder kwisiqulathi seefayili, ngoko ukutywina okunobuchule kungashiya imizuzwana emininzi yoxolo ekufuneka i-trim efanelekileyo isuse. Kubalulekile ukwazi ngaphambi kokuba uthathe isigqibo sotshintsho olukhulu lwesantya.

Ndiya kukwazi ukutsala njani isivinini phambi kokuba ilizwi lize liphume kakubi?

I-0.75x ukuya kwi-2x ibonisa ngaphaya kokuthetha. Ngapha kwe-2.5x i-artefacts yokutsala ivela kwi-algorithm, kwaye ngaphantsi kwe-0.5x ukwakha kwakhona kufuneka kuvelise kakhulu. I-music ithobela ngaphantsi kokuthetha.

Ingaba ifayile ithatha ixesha elide, kwaye ingaba ithatha ixesha elifutshane?

Ifutshane, ewe, kwaye ngokuchanekileyo uthelekiso - iyure yesandi kwi 1. 5x yimizuzu emashumi mane. Ifayile incinci ngokufanayo uthelekiso kuba kukho ngaphantsi kwezinto ezikopela. I-bitrate, i-sample rate kunye ne-channel layout zonke zishiyeka ngokuchanekileyo njengoko zazi.

Yintoni endinokuyilayisha kwi Tshintsha i-AAC?

MP3, AAC, M4A, OGG, Opus ne WMA zii-codecs ezilahlekileyo eziphathwa ngokuthe ngqo, kwaye amacebo alahlekileyo (WAV, FLAC, AIFF) angaya kwiqela elifanayo. I-codec ivavanywa ukusuka kumsinga, ngoko ke ifayili enegama elingalunganga isebenza.

Ingaba kukho umda wobungakanani befayili kwi Tshintsha i-AAC?

Ewe: i-akhawunti ekhululekileyo iqhubekeka umsindo ukuya kwi-15 MB ngefayile, ekwi-bitrates eqhelekileyo yiyure ezininzi zezinto; i-ffmpeg iyenza i-decoding ne-encoding, ngokuchanekileyo njengoko iyenza kwi-desktop. Lo ngumgangatho ophezulu kakhulu kwiwebhusayithi emva kwevidiyo, kwaye umsebenzi wesandi uhlala uhamba kuwo.

Ingaba i Tshintsha i-AAC iya kunyusa ubunjani be AAC audio files yam?

Ifayile elahlekile sele ishiye inkcukacha kabini, kwaye ukuphinda ukhowudi ushiya ngaphezulu - oko kubangela ukulimala kwaye akuyi kubuyisela. Naphi na umsebenzi ungagqibeka ngokukopa umsinga okhowudiweyo kunokuba uphinde ukhowudi, oko kukuthi, kwaye umsindo ubuyela umva nge-bit- identical.

Ndingaqhuba i Tshintsha i-AAC kwi AAC audio files ezininzi ngaxeshanye?

Ewe. Layisha phezulu iqela kwaye baqhubekeke ngokuthe tye ngemimiselo efanayo, eyiyo indlela esebenzayo yokuphatha ipodcast okanye i-albham kunokuba uphinde usebenze ngesandla.

Ingaba iimpawu kunye nobugcisa besiqhoboshelo buhlala?

Ewe. ID3, Vorbis iingcamango ne MP4 metadata atoms zithunyelwe, ubugcisa begophe buqu, ngoko ifayile egqityiweyo ihlala ilungelelaniswe kakuhle kwithala leencwadi lengoma. Iixabiso ze ReplayGain ziphinda zibalolwe endaweni yokukopa, kuba enye egqityiweyo ingcono kunengayo.

Ingaba i Tshintsha i-AAC ibiza nantoni na?

No. Tshintsha i-AAC ikhululekile ngaphandle kwe-akhawunti kwaye idibanisa akukho phawu lwamanzi lwesandi okanye i-tag ethethayo kwimveliso. Ulayisho lwakho lususwa kubasebenzi kamva emva kokuba umsebenzi ugqityiwe.