Lub sij hawm DAP yog ib qho tseem ceeb rau Digital Audio Player thiab muaj cuab kav txhais tau tej yam khoom siv hluav taws xob uas muaj peev xwm ntawm kev ua suab playback hauv cov ntawv. Nyob rau hauv cov cim ntawm cov suab paj nruag digital, peb feem ntau xa mus rau DAPs li MP3 players los sis cov tshuab ntaus suab paj nruag. Ib lub DAP tseeb yog feem ntau tsuas yog muaj peev xwm ua cov teeb tsa suab - cov khoom siv feem ntau ntawm qhov no yog vim li ntawd tsuas yog tuaj nrog cov ntxaij vev tshab uas tsis tshua pom tau zoo txaus rau kev sau cov ntawv sau thiab cov duab kos. Txawm li cas los xij, qee qhov DAPs tsis tuaj nrog ib qho screen txhua! Ib tug neeg uas ua ntawv uas tsuas yog tsim los rau digital audio feem ntau muaj qis cim xeeb dua li ib tus neeg uas ua ntawv MP4 uas xav tau kev ua si yees duab - hom kev khaws cia nquag siv nrog DAPs, qhov no, yog flash memory .
Qhov no zoo ib yam nrog PMPs (Portable Media Players) uas ua kis las loj zog cov ntxaij vab tshaus uas muaj kev daws teeb meem dua; qhov no yog tshaj tawm cov yees duab hauv daim duab, cov yeeb yaj kiab (nrog rau cov video clips), ebooks, thiab lwm yam.
Cov Cim Ntawv thiab Cia
Cov hom txheej txheem digital audio formats uas feem ntau txhawb nqa lub suab DAP cov lus muaj xws li:
- MP3 - undoubtedly de facto txheem cov qauv suab uas txhua tus DAPs txhawb.
- WMA - tej zaum qhov thib ob feem ntau txhawb cov suab hom rau DAPs tom qab lub xov tooj MP3.
- WAV - cov ntaub ntawv tuaj yeem feem ntau nyob rau hauv ib qho kev lag luam (thiab vim li ntawd tsis muaj) lub xeev feem ntau encoded hauv LPCM (Teeb Tsav Pulse Code Modulation). Nws tsis yooj yim dua rau cov neeg siv hom ntawv no raws li cov ntaub ntawv yuav ua tau ntau heev. Txawm li cas los xij, DAPs yuav pab txhawb qhov no rau kev rov qab sib tw.
- AAC - Kua lub suab nrov compression system uas yog lub hom lag luam rau cov khoom xws li iPod, iPhone, thiab iPad. Cov nkauj feem ntau yuav thiab downloaded ntawm lub khw iTunes kuj tuaj nyob hauv hom ntawv no. Txawm li cas los, tsis yog txhua tus DAPs txhawb qhov no.
- OGG Vorbis - qhib hom uas muaj coob tus DAP (thiab PMP) cov chaw lag luam yog tsim rau hauv lawv cov khoom siv. Qee cov neeg siv uas tau kuaj lub suab zoo ntawm MP3 piv OGG sab-los-sab thov tias suab uas yog encoded siv OGG (thaum 192 kbps thiab qis dua) zoo dua li qhov kev xaiv hauv kev hom ntawv MP3 .
- FLAC - qhov no yog qhov suab tsis zoo uas yog yam tsawg kawg hauv kev txhawb DAPs. Txawm li cas los xij, nws tau txais hauv qhov chaw thiab yog qhov tseem ceeb rau cov neeg tuaj mloog uas xav mloog lawv cov ntaub ntawv hu ua FLAC cov suab paj nruag uas tsis tas yuav hloov ua ntej.
Piv txwv ntawm Hom Hom DAP
Nrog rau cov khoom siv suab paj nruag zoo sib xws, lwm tus neeg siv tshuab hluav taws xob uas koj yuav tau siv tau ua DAP. Piv txwv ntawm qhov no muaj xws li:
- Cellphones thiab Smartphones
- Suav
- Cov koob yees duab
- Internet ntsiav tshuaj
- Cov suab kaw digital
Thiab lwm yam khoom siv sib txig sib txig uas txhawb cov suab ntawm cov playback.
Kuj Paub Raws li: MP3 Players, cov twj paj nruag portable, iPod