I-Bluetooth ingobunye bobuchwepheshe bokuxhumana okungenantambo obusetshenziswa kakhulu namuhla. Phakathi kwezici zayo eziningi, ivumela ukudluliswa komsindo wekhwalithi ephezulu ngaphandle kwesidingo sezintambo. Ukwenza lokhu kwenzeke, kunamaphrofayili e-Bluetooth ahlukene, futhi enye ebaluleke kakhulu yi- Iphrofayili ye-A2DP.
Uma uke wasebenzisa ama-headphone e-Bluetooth noma izipikha ukuze ulalele umculo we-stereo, kungenzeka ukuthi usebenzise i-A2DP ngaphandle kokwazi. Kodwa iyini ngempela le phrofayela futhi ithinta kanjani ikhwalithi yomsindo owutholayo? Okulandelayo, ake sicwilise kuyo yonke imininingwane.
Ithini iphrofayili ye-A2DP?
El Iphrofayili ye-A2DP (Iphrofayili Yokusabalalisa Umsindo Ethuthukisiwe) iyindinganiso ngaphakathi kobuchwepheshe be-Bluetooth evumela ukudluliswa komsindo ngaphakathi izinga eliphezulu ngokungenantambo phakathi kwamadivayisi. Umsebenzi wayo oyinhloko ukuthumela umsindo we-stereo kusuka ku-a idivayisi yomthombonjenge-a iselula, ithebhulethi noma ikhompuyutha, okwamanje eyamukela idivayisi, njenge Amahedfoni e-Bluetooth noma izipikha.
I-A2DP yakhelwe ngqo i ukudluliswa komsindo ngekhwalithi ye-stereo. Lokhu kuyayihlukanisa kwamanye amaphrofayili e-Bluetooth, njenge-HSP (Iphrofayili ye-Headset) noma i-HFP (Iphrofayili Engaphathwa Ngezandla), eqondiswe kakhulu ekuxhumaneni kwezwi futhi asebenzisa ikhwalithi yomsindo ephansi. Uma ufuna ukuthuthukisa umuzwa wakho womsindo, hlola ukuthi kanjani thuthukisa ikhwalithi yomculo we-bluetooth.
Isebenza kanjani i-A2DP?
Lapho amadivaysi amabili e-Bluetooth ahambisana ne-A2DP ebhanqiwe, i idivayisi yomthombo iqala ukudlulisa umsindo ngefomethi yedijithali. Lo msindo wamukelwe ngabakwa eyamukela idivayisi, eyiguqula ibe isignali yomsindo we-analog ukuze ukwazi ukuyilalela ngeyakho ama-headphone noma izipikha.
Ukuqinisekisa ukuxhumana okusebenzayo, i-A2DP isebenzisa umthetho olandelwayo I-AVDTP (I-Audio/Video Distribution Transport Protocol), enesibopho sokuphatha ukudluliswa kwedatha phakathi kwamadivayisi.
Amafomethi omsindo asekelwe namakhodekhi
Iphrofayili ye-A2DP isekelwa abahlukahlukene ama-codec alalelwayo okunquma ikhwalithi yokudlulisela. Phakathi kwezinto ezisetshenziswa kakhulu yilezi:
- I-SBC (I-Subband Coding): Ikhodekhi eyisibopho ku-A2DP, inikeza ikhwalithi eyamukelekayo kodwa hhayi ukwethembeka okungcono kakhulu.
- I-AAC (Ikhodekhi yomsindo ethuthukisiwe): Ithuthukisa kakhulu ikhwalithi yomsindo futhi isetshenziswa amadivayisi we-Apple.
- I-aptX ne-aptX HD: Banikeza ikhwalithi ephezulu ku-SBC, nge-latency ephansi nokuthembeka okuphezulu.
- I-LDAC: Ithuthukiswe ngabakwaSony, ivumela ukudluliswa kwesinqumo esiphezulu ngama-bitrate aphezulu.
I-codec esetshenziswa ekudluliseni ngakunye izoncika ekusebenzisaneni phakathi kwe amadivaysi axhunyiwe.
Ukuhambisana namadivayisi asebenzisa i-A2DP
Namuhla, iningi lamadivaysi alalelwayo e-Bluetooth, njenge ama-headphone angenantambo, izipikha eziphathwayo kanye nezinhlelo zomsindo wemoto, ziyahambisana ne-A2DP. Kuyahambisana futhi Omakhalekhukhwini besimanje, amaphilisi namakhompyutha okuhlanganisa ukusekela ukusakazwa komsindo we-Bluetooth. Uma unezinkinga ngomsindo kudivayisi yakho, sicela ubheke Yini ongayenza uma umsindo ungasebenzi?.
Kodwa-ke, kubalulekile ukuhlola ukucaciswa kwedivayisi ukuze uqinisekise ukuthi isekela i-A2DP, njengoba ngaphandle kwale phrofayela ngeke kwenzeke ukusakaza umsindo we-stereo kusuka kudivayisi. isidlali seselula noma somculo.
Izinzuzo zephrofayela ye-A2DP
Ukusetshenziswa kwe-A2DP kunezinzuzo eziningi, phakathi kwazo okulandelayo okugqamayo:
- Ikhwalithi yomsindo ethuthukisiwe: Ivumela ukudluliswa kwekhwalithi ye-stereo ngaphandle kwesidingo sezintambo.
- Ukuhambisana okubanzi: Isebenza namadivayisi amaningi esimanje ane-Bluetooth.
- Ukusetshenziswa kahle kwamandla: Idizayinelwe ukuthuthukisa ukusetshenziswa kwebhethri kokubili ku- idivayisi yokudlulisa njengase- receptor.
- Ubulula bokuxhumeka: Ukumatanisa amadivayisi ahambisanayo e-A2DP kuyinqubo esheshayo nelula.
Imikhawulo engaba khona ye-A2DP
Ngaphandle kwezinzuzo zayo, iphrofayili ye-A2DP nayo inobubi obuthile:
- Ukubambezeleka: Kungase kube khona ukubambezeleka okuncane ekudlulisweni komsindo, okungalungile kumageyimu noma amavidiyo.
- Ukuncika kwe-codec: Ikhwalithi yomsindo izoncika kukhodekhi esetshenziswa yi- amadivaysi abhangqiwe.
- Imikhawulo kumakholi: Ayakhelwe ukuxhumana ngezwi, ngakho-ke ayisebenzi kahle ezingcingweni.
Uma ungathanda ukwazi ukuthi ungayixhuma kanjani idivayisi yakho kumsindo we-Bluetooth, ungafunda mayelana cacisa uhlobo lwedivayisi yomsindo ongaxhuma kuyo.
Ungazi kanjani ukuthi idivayisi yakho isekela i-A2DP
Uma ufuna ukuhlola ukuthi i-smartphone yakho, ikhompuyutha noma ama-headphone ayahambisana yini ne-A2DP, ungabheka imininingwane yomkhiqizi noma ufinyelele Izilungiselelo ze-Bluetooth kusuka kudivayisi yakho. Kwamanye amasistimu wokusebenza, afana neWindows, ungangena ngemvume Umlawuli wedivayisi uma umshayeli we-Bluetooth esekela i-A2DP.
Ungazama nokumatanisa a Idivayisi yomsindo ye-Bluetooth futhi uhlole ukuthi umsindo udluliswa ngendlela efanele yini ngekhwalithi ye-stereo.
I-A2DP iphrofayili eyisisekelo ngaphakathi kobuchwepheshe be-Bluetooth, njengoba ivumela ukudluliswa komsindo izinga eliphezulu ngokungenantambo. Ngenxa yaleli zinga, singajabulela umculo wethu nokuqukethwe kwe-multimedia ngaphandle kwezinkinga nangokwethembeka okumangalisayo. Nakuba inokulinganiselwa okuthile, yayo Compatibilidad enamadivayisi anhlobonhlobo akwenza kube into esemqoka ohlelweni lwanamuhla lomsindo we-Bluetooth.