HO NTLAFATSA BOLENG BA A2DP
Nalane ea Phetoho
Tlhatlhobo: Letsatsi: Tlhaloso
D05r01: 23-11-2009: Moralo oa 1 oa ho bonts'a semelo sa tokomane
D05r02: 14-12-2009: Moralo oa bobeli, o kenyellelitsoeng lintlha tse qaqileng bakeng sa lekhetlo la peleview ho tsoa ho AVWG.
EA-D05r03 : 14-12-2009: Kenyelletsa liphetoho tse hlahisitsoeng ke John le Rudiger. Tlhokahalo ea mantsoe e betere ea ho sebelisa taolo ea bophahamo ba modumo ea AVRCP ho fapana le ho fetola lerata kahare ho data ea SBC. Khothaletsa hore AG_MP e kenyeletse taelo ea AVRCP 1.3 ea ho fetolela Tekano kapa DSP e ngoe e kanna ea sebetsa ho data ea SBC
EA-D05r04 : 17-02-2010: Lintlafatso ho arabela maikutlo a tsoang Rüdiger, Stephen le Sekisan. E hlakisitse hore taolo ea bophahamo ba modumo ea AVRCP e lokela ho ts'ehetsoa ke RD le MP hore MP e se ke ea fetola sekontiri sa dijithale e le mofuta oa taolo ea molumo.
EA-D05r05 : 18-02-2010: Ed o entse liphetoho tse nyane.
D05r06: 12-03-2010: E ekelitsoe Rec. 10, nakong ea mohala oa kopano ea beke e fetileng ho ne ho bonahala eka ho na le likhang ka ho hlalosa maemo a boemo ba boleng le IUT, ka ts'epo Re .10 e rarolla sena.
D05r07: 15-03-2010: Tlosa tšebeliso ea HF_RD le AG_MP kaha sena se ne se bolela kamano e itseng le HFP e neng e sa rereloa WP ena.
D05r08: 15-02-2011: Ntlafatso kamora F2F ho UPF38.
Aterese Seattle F2F litlhaloso.
EA-D05r09 : 21-06-2011: Ho tsoa kopanong ea ASG fana ka maikutlo a ho eketsa polelo ea hore SRC le eona e lokela ho sebelisa li-bitpools tse loketseng.
EA-D05r10 : 29-06-2011: Allan o kopile ho kopanya / review Tse ling tsa likhothaletso tse nang le boholo bo lekanang.
D05r11: 06-09-2011: Kenya Rec.11 'me u kenyeletse Rec.12 e ipapisitse le ntlafatso ea Allan ea' YY ho tsoa molaetsa ho la 07/07 ho tsoa ho avv-main.
D05r12: 19-09-2011: Karabo ea maikutlo a Allan le Ash ho avv-main matsatsing a 7 a fetileng.
D05r13: 28-09-2011: Karabo ho metsotso ea mohala oa kopano ka la 20 Hlakubele.
D05r14: 08-10-2011: E ntlafalitsoe kopanong ea F2F e Budapest
D05r15: 24-10-2011: Tlhaloso ea tafole e lokisitsoeng ho R3, karolo e ntlafalitsoeng ea litšupiso + TOC
D05r16: 24-04-2012: E nchafalitsoe ho rarolla maikutlo a BARB review
D05r17: 15-05-2012: Karolo ea 4 e ntlafalitsoe ho bonts'a hore likhothaletso tsohle li nkile tšehetso ea karolo ea A2DP le tlhokahalo ea A2DP, ha re ntse re qoba maemo a "tla".
D05r18: 25-09-2012: Ho hlophisa, ho hlahloba boloi
V10r00: 09-10-2012: E amohetsoe ke Boto ea Batsamaisi ea Bluetooth SIG
Bafani
Lebitso: Khampani
Rüdiger Mosig: BMS
Scott Walsh: Plantronics
Morgan Lindqvist: Ericsson
John Larkin: Qualcomm
Stephen Raxter: Setsi sa Naha sa Tshekatsheko
Masahiko Seki: Sony Corp
Allan Madsen: CSR
Ed McQuillan: CSR
David Koetlisi: CSR
KGAOLO LE TSEBISO EA COPYRIGHT:
TOKOMANE ENA E FANOA "JOALOKAHA" E SE NA LITOKETSO TSOHLE, HO kenyeletsoa TIISETSO E TSOHLE EA BOPHELO, HO SEBAKA, HO LOKELA MORERO OA MANGATA, KAPA TSOHLE EA TSOHLE E HLAHANG KAPA TSEBISO E FETILENG,AMPLE. Boikarabello bofe kapa bofe, ho kenyeletsoa le mokoloto oa tlolo ea litokelo life kapa life tsa setša, tse amanang le ts'ebeliso ea tlhaiso-leseling tokomaneng ena lia hlakoloa. Ha ho na laesense, e hlalositsoeng kapa e boletsoeng, ke estoppel kapa ka tsela e ngoe, ho litokelo life kapa life tsa thepa ea kelello tse fanoang mona.
Tokomane ena ke ea maikutlo feela 'me e ka fetoha ntle le tsebiso. Copyright © 2012. Bluetooth® SIG, Inc. Ditokelo tsohle tsa dikhopiraetefatso tsa Bluetooth ka botsona ke tsa Nokia AB, Lenovo (Singapore) Pte. Ltd., Intel Corporation, Microsoft Corporation, Motorola Mobility, Inc., Nokia Corporation, le Toshiba Corporation.
* Mabitso le mabitso a mang a batho ba bang ke thepa ea beng ba 'ona.
1 Lipehelo le Likhutsufatso
Kgutsufatso: Nako
A2DP: Advanced Audio Distribution Profile
AVDTP: Protocol ea Tsamaiso ea Tsamaiso ea Video
AVRCP: Audio Video Remote Control Profile
GAVDP: Phatlalatso ea Generic Audio / Video Profile
MP: Sebapali sa Media
N / A: Ha e sebetse
RC: Remote Controller
RD: Etsetsa sesebelisoa
SBC: Sub-band Coding
SEP: Stream End Point (joalo ka ha ho hlalositsoe ho Protocol ea Tsamaiso ea Tsamaiso ea Audio / Video)
SNK: Sink (joalo ka ha e hlalositsoe ho Advanced Audio Distribution Profile)
SRC: Mohloli (joalo ka ha ho hlalositsoe ho Advanced Audio Distribution Profile)
UI: Sebopeho sa mosebelisi. Monyetla o mong oa hore mosebelisi a sebelisane le sistimi, ho tloha ka konopo e bonolo ho ea ho UI e rarahaneng; mohlala, pontšo e nang le keyboard kapa sekirini se thetsoang.
2 Tokomane ea Mantsoe
Bluetooth SIG e amohetse Karolo ea 13.1 ea IEEE Standards Style Manual, e laelang tšebeliso ea mantsoe "shall" ', "should" "," may "", le "can" ho nts'etsopele ea litokomane, ka tsela e latelang:
Lentsoe le tla sebelisoa ho bonts'a litlhokahalo tse tlamang ho lateloa molemong oa ho latela maemo le moo ho se nang kheloho e lumelloang (ho tla lekana le ho lekana).
Ts'ebeliso ea lentsoe e tlameha ho fokotsoa mme e ke ke ea sebelisoa ha ho boleloa litlhoko tse tlamang; e tlameha ho sebelisoa feela ho hlalosa maemo a ke keng a qojoa.
Ts'ebeliso ea lentsoe e tla fokotsoa mme e ke ke ea sebelisoa ha ho boleloa litlhoko tse tlamang; thato e sebelisoa feela lipolelong tsa 'nete.
Lentsoe lena le lokela ho sebelisoa ho bonts'a hore hara menyetla e mengata ho buelloa e le e loketseng ka ho khetheha, ntle le ho bolela kapa ho khetholla e meng; kapa hore ho khethiloe tsela e itseng empa ha e hlokehe hakaalo; kapa hore (ka sebopeho se seng hantle) mohato o itseng oa ketso o theotsoe empa o sa thibeloa (ha ho ka khothalletsoa hore ho lekane joalo).
Lentsoe lena le kanna la sebelisoa ho supa mokhoa oa ketso o lumelloang ho latela meeli ea maemo (ho ka lekana le ho lekana).
Lentsoe lena le ka sebelisoa bakeng sa lipolelo tsa monyetla le bokhoni, ebang ke lintho tse bonahalang, tsa 'mele kapa tsa bohlokoa (ka khona equals e khona ho)
Boholo ba Tokomane
Pampiri ena e tšoeu e hlalosa mokhoa oa ho hlophisa lisebelisoa tsa A2DP SRC le SNK ho hlahisa molumo oa boleng bo holimo.
Litlhahiso tse pampiring ena e tšoeu tse amanang le ho ngola likh'outu li bohlokoa bakeng sa algorithm ea SBC.
Leha ho le joalo, likhothaletso tse sa amaneng le kh'outu ea audio li sebetsa ho sa natsoe algorithm ea kh'outu ea audio e sebelisitsoeng.
Pampiri ena e tšoeu ha e fane ka likhothaletso tse ikhethileng mabapi le ts'ebetso le ts'ebetso ea likarolo tsa sistimi ea molumo tse kantle ho karolo ea sisteme ea audio ea Bluetooth. ExampLes tsa likarolo tse joalo li kenyelletsa li-converter tsa A / D le D / A le li-transducers ka har'a li-microphone le libui. Leha ho le joalo, hoa lokela ho hlokomeloa hore likarolo tsena le tsona li kenya letsoho ho boleng ba molumo oa boemo ba sistimi le litlatsetso le methati ea tsona; bakeng sa mohlample, karabelo ya makgetlo le tharollo di tlameha ho kgethwa ka hloko ho thibela ho senyeha ho hoholo ha modumo wa boleng bo hodimo ba dijithale o fanwang ke A2DP.
4 Tlhophiso le Likarolo
4.1 SEBAPI SA METSOALLE (MP)
Sebapali sa media, har'a lisebelisoa tse ling, e ka ba sebapala media se nkehang (MP3 player, video player kapa mobile phone) kapa sebapala media se tsitsitseng (home audio / video system kapa in-car audio / video system).
4.1.1 KHOTHATSO
MP ke example ea sesebelisoa sa A2DP SRC se nang le thepa e latelang:
- Ho nahanoa hore e tšehetsa A2DP joalo ka ha ho hlalositsoe ho [1], ho seng joalo likhothaletso tse pampiring ena e tšoeu ha li sebetse
- E lokela ho ts'ehetsa litaelo tsa AVRCP joalo ka ha ho hlalositsoe hamorao tokomaneng.
- Ho nahanoa hore ho tšehetsa karolo ea SRC e hlalositsoeng ho [1], ho seng joalo likhothaletso tse pampiring ena e tšoeu ha li sebetse
- E lokela ho kenyelletsa bokhoni ba ho hlophisa SBC SEP ho SNK ho litekanyetso tse hlalositsoeng Lethathamo la 4.7 ho [1].
4.1.2 TSAMAISO
Sebapali sa media se latela karolo ea A2DP SRC ho nolofalletsa phallela ea audio / video sesebelisoa sa SNK. Ntle le moo, e lokela ho ts'ehetsa maemo a loketseng a codec le bokhoni ba taolo ea hole ho fana ka boleng bo holimo ba molumo.
4.2 HO FIHLELLA TLHAHISO (RD)
Sesebelisoa sa phetolelo, har'a lisebelisoa tse ling, e ka ba li-headphone, libuela-hōle, litsamaiso tsa molumo ka koloing, kapa pontšo ea video e nang le bokhoni ba molumo.
4.2.1 KHOTHATSO
RD ke example ea sesebelisoa sa A2DP SNK se nang le thepa e latelang:
- Ho nahanoa hore e tšehetsa A2DP joalo ka ha ho hlalositsoe ho [1], ho seng joalo likhothaletso tse pampiring ena e tšoeu ha li sebetse
- E lokela ho ts'ehetsa litaelo tsa AVRCP joalo ka ha ho hlalositsoe hamorao tokomaneng.
- Ho nahanoa hore ho ts'ehetsa karolo ea SNK e hlalositsoeng ho [1], ho seng joalo likhothaletso tse pampiring ena e tšoeu ha li sebetse
- E tlameha ho kenyelletsa bokhoni ba ho hlophisa SBC SEP ho SNK ho litekanyetso tse hlalositsoeng ho Tafole ea 4.7 ho [1].
4.2.2 TSAMAISO
Sesebelisoa sa phetolelo se latela karolo ea A2DP SNK ho tseba ho amohela molumo ho tsoa ho sebapali sa media.
Ntle le moo, e lokela ho ts'ehetsa maemo a loketseng a codec le bokhoni ba taolo ea hole ho fana ka boleng bo holimo ba molumo
Litlhahiso le Litlhahiso
Karolo ena e akaretsa tšusumetso le likhothaletso tsohle tse sebelisitsoeng maemong a fapaneng a ts'ebeliso.
Keletso 1:
Ha bokhoni ba sesebelisoa le tumello ea bokhoni ba marang-rang, sesebelisoa sa SRC se lokela ho hlophisa SNK SEP ho sebelisa li-parameter tsa SBC codec parameter tse ngotsoeng e le boleng bo holimo ho Tafole ea 4.7 ea [1]. Ts'ebeliso ea li-parameter tsa SBC codec parameter tse fanang ka boleng bo tlase ho feta li-setting tse ngotsoeng e le Boleng bo Hare ho Tafole ea 4.7 ea [1] ha e khothalletsoe.
Tšusumetso 1:
Litlhophiso tse khothalletsoang li hlophisa decoder ea audio ea SNK ho ts'ehetsa molumo oa boleng bo holimo.
Keletso 2:
Ha bokhoni ba sesebelisoa le tumello ea bokhoni ba marang-rang, sesebelisoa sa SRC se lokela ho khouta le ho phallela liforeimi tsohle tsa SBC ho sebelisa boleng bo holimo ba SBC bitpool bo neng bo lumellanoe le sesebelisoa sa SNK ts'ebetsong ea phetisetso ea molatsoana oa A2DP.
Tšusumetso 2:
Ho hlophisoa ha boleng bo phahameng ba SBC bitpool ho beha moeli o holimo boleng ba molumo. Leha ho le joalo moeli ona o kaholimo oa boleng o fumaneha feela ha boleng ba bitpool bo sebelisitsoeng bakeng sa kh'outu bo lekana le boleng bo holimo ba bitpool bo neng bo hlophisitsoe.
Keletso 3:
Leha e na le tšusumetso ea boleng bo phahameng ba molumo, sesebelisoa sa SRC ha sea lokela ho hakolla sesebelisoa sa SNK se ke keng sa amohela maemo a boleng bo holimo a hlalositsoeng ho Tafole ea 4.7 ea [1]. Setsi sa Pontšo ea AVDTP se lokela ho lula se hokahane. SRC e kanna ea kopa lits'ebetso tsa SNK SEP ka boleng bo tlase le bitrate.
Tšusumetso 3:
Ho na le mabaka a mabeli a sena. Ea pele ke ea ts'ebelisano ea morao le lisebelisoa tsa lefa tsa RD. Ea bobeli ke hore ho ka ba le mabaka a hore RD ha e na slot-bandwidth e hlokahalang ho ts'ehetsa tokiso eo, bakeng sa example, RD e kanna ea ba scatternet.
Keletso 4:
Haeba kenyelletso ea audio ho SBC encoder ea sesebelisoa sa SRC ha se e 'ngoe ea tse' ne tse tšehelitsoeng samplitefiso tse thathamisitsoeng ho Tafole ea 4.2 ea [1], SRC e lokela ho etsa sample sekhahla sa phetoho ho phahamisa sample sekhahla ho ea holimo-holimo sample sekhahla se thathamisitsoeng Lethathamong la 4.2 la [1]. Ho lokela ho nkuoa tlhokomelo hore litšobotsi tsa sefa tsa sampBafetoleli ba le rate, ho kenyeletsoa ripple ea passband, bophara ba band band le phepelo ea stopband, ba loketse boleng ba molumo oa sistimi e lakatsehang. Haeba kenyelletso ea molumo ho SBC encoder ea sesebelisoa sa SRC e se e ntse e le sampe etelletsoe pele ka sekhahla se tšehelitsoeng ke SBC joale sekhahla ha sea lokela ho fetoloa pele ho kh'outu ea SBC.
Tšusumetso 4:
Tse ling tsa sampPhetoho ea sekhahla e qojoa 'me phetoho efe kapa efe e hlokahalang e kenyelletsa ho phahamisa sample sekhahla le ts'ebeliso ea sample converter e nang le litšobotsi tse loketseng. Mokhoa ona o fokotsa ho senyeha ha boleng ba molumo ka lebaka la sekhahla sa phetoho.
Keletso 5:
Haeba RD e se na UI e loketseng phetolo ea molumo ka bobeli RD le MP ba lokela ho kenya tšebetsong taolo ea molumo ba sebelisa lets'oao le loketseng ho tsoa ho Audio / Video Remote Control Profile [2], [3] ho fapana le ho qhekella ka kotloloho ya data ea audio ke RD. MP le RD ba lokela ho ts'ehetsa likarolo tsa AVRCP CT le TG. Ntle le khothaletso ena ke haeba lithibelo tsa tikoloho kapa tsa molao li etsa hore ho se bolokehe ho lumella phetoho ea molumo o hole, bakeng saample tikolohong ea makoloi.
Tšusumetso 5:
Mokhoa o khothalletsoang oa taolo ea molumo o qoba ho senyeha ha boleng ba molumo ho bakoang ke sesebelisoa sa SRC se sebelisang data ea molumo ho etsisa taolo ea molumo.
Keletso 6:
Haeba RD e se na UI e loketseng phetolo ea bophahamo ba modumo joale ka bobeli RD le MP ba lokela ho ts'ehetsa Absolute Volume Control joalo ka ha ho hlalositsoe ho AVRCP 1.4 [3] ntle le haeba lithibelo tsa tikoloho kapa tsa molao li etsa hore ho se bolokehe ho lumella bophahamo ba modumo o hole, bakeng saample tikolohong ea makoloi. MP le RD ba lokela ho ts'ehetsa likarolo tsa AVRCP CT le TG. Ts'ebeliso ea ts'ebetso ea Absolute Volume Control e hlalositsoeng Khothatsong ena e khethoa ka matla ho mekhoa e meng ea taolo ea bophahamo ba modumo ea AVRCP, ntle le molemong oa ts'ebelisano ea morao.
Tšusumetso 6:
Mokhoa o khothalelitsoeng oa taolo ea molumo oa boleng ba boleng ba audio o bakoang ke sesebelisoa sa SRC se sebelisang data ea molumo ho etsisa taolo ea molumo. Ntle le moo, mofuta o khothalletsoang oa taolo ea bophahamo ba modumo o ntlafatsa khokahano ea taolo ea molumo lipakeng tsa MP le RD ebile e thibela ho tlala molumo.
Keletso 7:
MP o lokela ho ts'ehetsa maemo a AVRCP a bitsoang "Boemo ba Equalizer ON / OFF" ho Litlhophiso tsa Sesebelisoa sa Sebapali. Haeba RD e bolella MP ho beha boleng bona ho OFF e le khang e kenyellelitsoeng ho Set Player Application Setting Value command, MP o lokela ho tima ts'ebetso eohle ea DSP eo a ka e etsang ho audio e fetisitsoeng ka AVDTP, bakeng sa example equalization kapa litlamorao tsa sebaka.
Tšusumetso 7:
Mokhoa o khothalletsoang o qoba ho senyeha ha boleng ba molumo ho bakoang ke ts'ebetso e ts'oanang ea lets'oao la molumo e etsoang ho RD le MP. Haeba MP e sa sebelise ts'ebetso ea molumo, khothatso ena ha e sebetse.
Keletso 8:
MP o lokela ho se fetole molatsoana oa dijithale ho kenya tšebetsong taolo ea molumo haeba RD e sebelisa mofuta o fe kapa o fe oa taolo ea molumo; sheba Litlhahiso tsa 6 le 7 kaholimo.
Tšusumetso 8:
Ho ba le mekhoa e 'meli ea ho fetola molumo hoa ferekanya,' me ho baka monyetla oa hore maemo a beoe ka tlase ebe e 'ngoe e behiloe holimo. Sena se ka lebisa maemong a eketsehileng a ho sotha ha molumo.
6 Litšupiso
- Tlhaloso ea A2DP Version 1.2, Mmesa 2007
- Mofuta oa Tlhaloso ea AVRCP 1.0, Mots'eanong 2003
- Mofuta oa Tlhaloso ea AVRCP 1.4, Phuptjane 2008
Ho ntlafatsa Buka ea Thupelo ea Boleng ba Audio ea A2DP - PDF e ntlafalitsoeng
Ho ntlafatsa Buka ea Thupelo ea Boleng ba Audio ea A2DP - PDF ea mantlha
