Asalin Bluetooth
Kamfanin Ericsson ne ya kirkiro fasahar Bluetooth a cikin 1994, bayan ’yan shekaru, Ericsson ya ba da gudummawar ta kuma ya gudanar da shi don kafa kawancen masana’antar Bluetooth, Kungiyar Bukatun Musamman ta Bluetooth (SIG). Ƙoƙarin Bluetooth SIG da membobinsa sun haɓaka haɓaka fasahar Bluetooth sosai.
A matsayin ƙayyadaddun ƙayyadaddun Bluetooth na farko, an fitar da Bluetooth 1.0 a cikin 1999, farkon farkon wannan shekarar, na'urar Bluetooth ta farko da aka ƙaddamar da ita, na'urar kai mara hannu ce, ta fara aikin gano sautin Bluetooth kuma ya bayyana mahimmancin da ba za a iya maye gurbinsa da Bluetooth ba. audio a cikin saitin fasalin Bluetooth. Amsa da yin kiran waya, fax da canja wurin fayil wasu fasalulluka ne da Bluetooth 1.0 ke iya bayarwa, amma sake kunna kiɗan akan Bluetooth ba zaɓi bane a lokacin, ɗayan mahimman dalilai shine bayanan bayanan ba a shirya ba.
Menene HSP/HFP/A2DP
Bayan ci gaban ƙayyadaddun ƙayyadaddun bayanai na Bluetooth, SIG na Bluetooth ya kuma fitar da wasu mahimman bayanan bayanan da ke da alaƙa da sauti:
- Bayanan Lasifikan kai (HSP) , Bayar da tallafi don sauti na hanyoyi biyu akan hanyar haɗin haɗin haɗin gwiwa (SCO), aikace-aikace kamar yin kiran waya da na'urorin wasan bidiyo suna da kyau. An fara fitar da shi a shekara ta 2001.
- Bayanin Bayanin Hannun Hannu (HFP) , Bayar da goyan baya don sauti na hanyoyi biyu akan hanyar haɗin gwiwar Haɗin kai tsaye (SCO), aikace-aikace kamar sauti na cikin mota yana da kyau. An fara fitar da shi a shekara ta 2003.
- Babban Bayanan Rarraba Audio (A2DP) , Bayar da tallafi don ingantaccen sauti mai inganci ta hanya ɗaya akan Extended Synchronous Connection Oriented link (eSCO), don ɗaukar ƙarin bayanan sauti tare da iyakanceccen bandwidth, SBC codec an wajabta shi a cikin bayanan A2DP, aikace-aikace kamar sake kunna kiɗan mara waya yana da kyau sosai. An fara fitar da shi a shekara ta 2003.
Bluetooth Audio Timeline
Kamar dai ƙayyadaddun ƙayyadaddun bayanai na Bluetooth, don magance matsaloli da haɓaka gogewa, bayanan bayanan sauti na Bluetooth suma suna da wasu sabuntawa tun lokacin da aka haife ta, Ƙirƙirar na'urorin lantarki masu amfani da sauti na Bluetooth marasa adadi waɗanda ke amfani da bayanan martaba na sauti suna ba da labarin almara na audio na Bluetooth, mai biyowa shine lokacin wasu muhimman al'amuran kasuwa game da sauti na Bluetooth:
- 2002: Audi ya bayyana sabon sabon A8 wanda shine samfurin abin hawa na farko wanda zai iya ba da kwarewar Bluetooth a cikin mota.
- 2004: Sony DR-BT20NX ya buge shelves, shine farkon lasifikan kai na Bluetooth wanda ke da ikon sake kunna kiɗan. A wannan shekarar, Toyota Prius ya ci abinci zuwa kasuwa kuma ya zama samfurin abin hawa na farko da ke ba da ƙwarewar sake kunna kiɗan ta Bluetooth.
- 2016Apple ya ƙaddamar da AirPods Bluetooth True Wireless Stereo (TWS) belun kunne, ya kawo mafi kyawun ƙwarewar Bluetooth TWS ga masu amfani kuma ya haɓaka kasuwar TWS ta Bluetooth.
Bluetooth SIG ya ba da sanarwar sabuntawa mai alaƙa da sauti kuma ya gabatar da sautin LE ga duniya a CES 2020. LC3 codec, rafi da yawa, audio na watsa shirye-shiryen Auracast da tallafin ji sune abubuwan kisa waɗanda LE audio tayi, yanzu duniyar Bluetooth ita ce. Haɓaka tare da sauti na al'ada da na sauti na LE, na shekaru masu zuwa, yana da kyau a sa ido ga ƙarin kayan lantarki na Bluetooth masu ban mamaki.
