Chiyambi cha Bluetooth
Tekinoloje ya Bluetooth idapangidwa ndi kampani ya Ericsson ku 1994, zaka zingapo pambuyo pake, Ericsson adapereka ndipo adachita kupanga mgwirizano wamakampani a Bluetooth, Bluetooth Special Interest Group (SIG). Zoyeserera za Bluetooth SIG ndi mamembala ake zidathandizira kwambiri chitukuko chaukadaulo wa Bluetooth.
Monga mafotokozedwe oyamba a Bluetooth, Bluetooth 1.0 idatulutsidwa mu 1999, koyambirira kwa chaka chimenecho, chida choyamba chogula cha Bluetooth chidakhazikitsidwa, chinali chomverera m'manja, chidayamba ulendo wopeza mawu a Bluetooth ndikuwululanso kufunikira kosasinthika kwa Bluetooth. audio mu seti ya mawonekedwe a Bluetooth. Yankhani ndikuyimba foni, fax ndi kutengerapo mafayilo ndi zina mwazinthu zomwe Bluetooth 1.0 ingapereke, koma kusewerera nyimbo pa Bluetooth sikunali njira ndiye, chimodzi mwa zifukwa zazikuluzikulu ndizomwe sizili okonzeka.
Kodi HSP/HFP/A2DP ndi chiyani
Kutsatira kukhazikitsidwa kwa mafotokozedwe amtundu wa Bluetooth, Bluetooth SIG idatulutsanso mbiri yofunika kwambiri yokhudzana ndi zomvera:
- Mbiri Yamakutu (HSP) , yopereka chithandizo cha njira ziwiri zomvera pa ulalo wa Synchronous Connection Oriented (SCO), mapulogalamu monga kuyimba mafoni ndi ma consoles amasewera amawonetsedwa bwino. Idatulutsidwa koyamba mu 2001.
- Mbiri Yaulere Pamanja (HFP) , yopereka chithandizo cha ma audio a njira ziwiri pa ulalo wa Synchronous Connection Oriented (SCO), mapulogalamu ngati ma audio amgalimoto amawonetsedwa bwino. Idatulutsidwa koyamba mu 2003.
- Mbiri Yapamwamba Yogawa Nyimbo (A2DP) , yopereka chithandizo cha njira imodzi yapamwamba yomvera pa ulalo Wowonjezera Wolumikizana ndi Synchronous Connection (eSCO), kunyamula zambiri zomvera ndi bandwidth yochepa, SBC codec imalamulidwa mu mbiri ya A2DP, mapulogalamu ngati kusewera kwa nyimbo opanda zingwe kumawonetsedwa bwino. Idatulutsidwa koyamba mu 2003.
Nthawi ya Bluetooth Audio
Monga momwe Bluetooth core specifications, kuthetsa mavuto ndi kusintha zochitika, Bluetooth audio profiles analinso ndi zosintha zina kuyambira pamene anabadwa, Kupangidwa kwa Bluetooth audio ogula zamagetsi zambiri zomwe zimagwiritsa ntchito mbiri zomvetsera zimafotokoza nkhani yodziwika bwino ya Bluetooth audio, zotsatirazi ndi ndandanda yanthawi ya zochitika zina zofunika pamsika zokhudzana ndi mawu a Bluetooth:
- 2002: Audi idawulula mtundu wake watsopano wa A8 womwe unali mtundu woyamba wagalimoto yomwe imatha kupereka zomvera za Bluetooth m'galimoto.
- 2004: Sony DR-BT20NX idagunda mashelefu, inali foni yam'manja ya Bluetooth yoyamba yomwe imatha kusewera nyimbo. Chaka chomwecho, Toyota Prius idadya pamsika ndipo idakhala mtundu woyamba wagalimoto womwe umapereka mwayi wosewera nyimbo wa Bluetooth.
- 2016: Apple idakhazikitsa makutu am'mutu a AirPods Bluetooth True Wireless Stereo (TWS), adabweretsa chidziwitso chabwino kwambiri cha Bluetooth TWS kwa ogwiritsa ntchito ndikukonzekeretsa msika wa Bluetooth TWS.
Bluetooth SIG idalengeza zakusintha kokhudzana ndi zomvera ndikuyambitsa mawu a LE ku dziko lonse lapansi ku CES 2020. LC3 codec, multi-stream, Auracast broadcast audio ndi thandizo lakumva ndi zinthu zakupha zomwe LE audio imapereka, tsopano dziko la Bluetooth liri. kupanga ndi ma audio akale komanso ma audio a LE, kwa zaka zikubwerazi, ndikofunikira kuyang'ana modabwitsa kwambiri zamagetsi zamagetsi za Bluetooth.
