Lub iPhone txhawb ntau hom audio file formats
Yog ib qho misconception tias iPhone tsuas yog txhawb cov AAC hom thiab tsuas yog ua si suab muas ntawm cov khw iTunes . Qhov tseeb, lub iPhone txhawb ntau hom suab sib txawv. Txawm tias koj siv lub iPhone tam sim no los sis xa ib qho iPhone rau hauv ib qho ntawm ib qho iPod kov, koj xaus nrog lub suab paj nruag haib.
Li ntawd, Dab tsi ua rau qhov tsis meej pem?
Nws yog qhov tseeb tias cov suab paj nruag koj download tau rau koj iPhone ntawm iTunes yog nyob rau hauv Advanced Audio Coding (AAC) hom ntawv. Nws tsis yog AAC hom koj xav pom lwm qhov, tab sis yog; nws yog ib qho kev tiv thaiv lossis muas ntawm AAC. Txawm li cas los xij, tej zaum koj yuav muaj suab paj nruag hauv iTunes uas yog los ntawm lwm qhov chaw, thiab cov suab paj nruag feem ntau yuav yog hauv MP3 lossis lwm hom. iTunes tuaj yeem ua koj MP3s thiab lwm hom ntawv zoo xwb. Yog li, yog hais tias koj rov qab CD rau koj lub computer los yog yuav suab paj nruag online hauv lwm hom ntawv, koj tuaj yeem ua si ntawm koj iPhone, tsuav yog nyob rau hauv ib hom ntawm cov iOS no txhawb nqa lub iPad cov khoom siv.
iPhone Audio Format Specifications
Kev kawm txog lub suab tawm suab uas lub iPhone txhawb yog ib qho tseem ceeb yog tias koj xav pib siv koj lub iPhone ua tus xa tawm xov tooj . Nws tseem ceeb thaum cov ntsiab lus ntawm koj cov suab paj nruag sau los ntawm ntau qhov chaw-zoo li ib qho ntawm cov suab paj nruag hauv online thiab cov CD ripped , digitized daim kab xev , lossis cov ntaub ntawv yas, tag nrho cov cai uas luam tau rau hauv iTunes yog tias koj muaj cov ntaub ntawv tseem ceeb. Yog tias qhov no yog qhov teeb meem, muaj lub caij nyoog zoo uas koj muaj ib tug sib xyaw txog cov suab tawm suab.
Txhawb lub suab tawm tswv yim rau iOS no 11 ntawm iPhone 8 thiab iPhone X yog:
- AAC -LC- ACC Tsis tshua muaj Complexity yog ib lub suab los yog suab optimized rau streaming audio thiab cov kev siv qes-bitrate.
- HE-ACC thiab HE-ACC v2 -Huab Siab Uas Ua Tau Zoo Tshaj Plaws Yog cov qauv ntaub ntawv los ntawm cov software media players, streaming music, thiab internet xov tooj cua. V2 muaj ob peb nta tshaj qhov qub version. Luam-ACC cov ntaub ntawv tseem hu ua MPEG-4 ACC cov ntaub ntawv.
- ACC Tiv Thaiv - Txhua zaj nkauj muag ntawm iTunes ua ntej 2009 yog nyob rau hauv hom ACC-tiv thaiv, ib hom ntawv ploj uas muaj Digital Rights Management (DRM). Koj tsis tuaj yeem hlawv cov CD rau.
- ACC Purchased- Txhua zaj nkauj muag hauv iTunes tom qab 2009 hauv iTunes + hom ntawv tsis muaj DRM. Cov hom ntawv yog losis.
- Kua Lossless - Qhov hom lossless yuav tsis muaj kev poob suab ntawm cov suab paj nruag lem txhua. Nws zoo ib yam li FLAC hom.
- FLAC - No Dawb Lossless Audio Codec tshiab rau lub iPhone nrog iOS 11. Lub FLAC hom muab cov tsis ua kom yuam kev ntawm cov suab. Thaum cov ntaub ntawv FLAC decompressed, lub suab zoo tib yam rau tus thawj.
- Tawm PCM -Qhov no cov ntaub ntawv tawm suab uas siv rau cov CDs. Cov ntaub ntawv tsis yog compressed, yog li cov ntaub ntawv yog loj, tab sis qhov zoo yog zoo.
- MP3 - MP3 yog hom suab nrov thiab nrov tshaj plaws ntawm cov suab hom siv rau cov suab paj nruag.
- Dolby Digital (AC-3) -Dolby Digital yog ib lub suab nrov los ntawm cov ntaub ntawv uas muaj txog li ntawm rau ntawm cov suab paj nruag.
- Dolby Digital Plus (E-AC-3) -Dolby Digital Plus yog ib qho kev tshaj lij ntawm Dolby Digital uas muaj ntau cov nroj tsuag ntxiv thiab kev txhawb nqa ntau lub suab raws.
- Cov ntaub ntawv suab paj nruag 2, 3, thiab 4 -Lus muag los ntawm Audible, lub tuam txhab hais lus, cov ntawv nplaum 2 muab 8 kbps ntawm lub suab ntawm lub xov tooj cua nrog AM. Hom ntawv 3 ntawm 16 kbps xa suab sib npaug zos rau qhov FM xov tooj cua, thiab hom ntawv 4 nrog ib qhov kawg 32 kbps muaj suab zoo rau MP3.
- Audible Enhanced Audio (extensions AAX thiab AAX +) - Enhanced suab tawm tswv yim ntawm 64 kbps yog suav tias muaj lub suab zoo suab nrov CD. Cov ntaub ntawv uas tsis sib txuas lus xa tawm suab uas zoo tshaj rau Cov Ntawv Muaj 2, 3, thiab 4. Cov ntaub ntawv yog cov ntaub ntawv loj loj uas cov qauv ntawm cov ntaub ntawv.
Tsis yog txhua yam ntawm cov ntawv no siv nrog suab paj nruag, tab sis lawv txhua tus txaus siab los ntawm iPhone hauv ib qho chaw los sis lwm qhov.
Qhov sib txawv ntawm kev Lossy thiab Lossless Compression Formats
Lossy compression removes cov ntaub ntawv los ntawm pauses thiab tej qhov chaw nyob rau hauv cov ntaub ntawv kaw suab, uas ua rau cov ntaub ntawv lossy cov ntaub ntawv ntau dua li cov ntaub ntawv poob los sis uncompressed. Txawm li cas los xij, yog tias koj yog audiophile thiab yuav high-resolution suab paj nruag hauv online, koj yuav tsis xav hloov nws lub hom phiaj los xij. Rau cov neeg mloog, cov neeg ua haujlwm ua haujlwm zoo xwb, thiab thaum koj khaws cov suab paj nruag rau koj lub iPhone, tsis yog kwj nws, me me tseem ceeb.
Yuav Hloov Cov Nkauj Nruab Nrab Ntawm Cov Ntawv Tsis Txaus Siab
Yog hais tias koj muaj suab paj nruag nyob rau hauv ib hom ntawv uas iTunes tsis txhawb, iTunes ntawm lub computer hloov nws mus rau cov ntaub ntawv suab uas yog tshaj thaum nws tau imports nws. Yog vim, iTunes converts cov ntaub ntawv uas siv cov ACC hom, tab sis koj tuaj yeem hloov cov hom hauv iTunes Preferences > General > Import Settings . Koj cov kev xaiv cuam tshuam rau qhov zoo ntawm lub suab thiab qhov loj ntawm cov ntaub ntawv suab. Piv txwv, yog tias koj xav mloog cov suab seev suab paj nruag, hloov lub neej ua ntej rau Apple Lossless Encoder . Cov chaw no tsis muaj rau iTunes ntawm lub iPhone, tab sis koj yuav hloov koj cov kev nyiam nyob rau hauv iTunes ntawm lub computer thiab ces sync lub suab paj nruag rau lub iPhone.
Siv rau lub iPhone thiab Digital Music
Raws li yog ib tug zoo smartphone, muaj ntau heev koj yuav ua tau nrog cov iPhone thaum nws los mus mloog audio files. Rau cov pib ntaus ntawv, lub iPhone ua rau cov neeg nyiam mloog lub tshuab ua suab nrov, yeeb yaj duab, podcasts, thiab phau ntawv nyeem. Koj yuav muaj synced twb tau iPhone nrog koj lub tsev qiv ntawv suab paj nruag iTunes lossis nrog koj lub suab seev hauv iCloud thiab mloog koj zaj nkauj ntawm txoj kev mus. Tus iPhone kuj tseem siv tau los ua Kua cov suab paj nruag subscription kev pabcuam Kua Music, thaum apps xws li Spotify thiab Pandora muab ib qho kev cia siab txog cov suab paj nruag.