Kwanakin baya da An saki masu haɓaka Google ta hanyar rubutun da suka dauka yanke shawara don sanya Lyra buɗe tushen. Lyra ya dogara ne akan ilimin koyon injin don ba da damar ƙirar murya mai inganci a cikin yanayin ƙananan bandwidth.
Da wacce wannan fa'idodi kuma yana bawa sauran masu haɓaka damar ciyar da ayyukansu sadarwa da haɓaka Lyra a cikin sabbin hanyoyi.
Matsakaicin aikace-aikacen watsa labaru na shekaru da yawa, codec sun ba da damar aikace-aikace masu saurin amfani da bandwidth don watsa bayanai yadda ya kamata.
Saboda haka, ci gaban Codec, don bidiyo da sauti, suna gabatar da ƙalubale mai gudana- Ba da inganci mafi ƙima, amfani da ƙananan bayanai, da rage kaso don sadarwa ta ainihin lokaci.
Kodayake bidiyo na iya bayyana don cinye bandwidth fiye da sauti, kododin bidiyo na zamani na iya cimma ƙananan ƙima fiye da wasu kodin kodin magana mai inganci da ake amfani da su a yau.
Haɗin hade Bitaramar ƙaramar murya da kododin bidiyo na iya kawo ƙwarewar kiran bidiyo mai inganci har ma a kan ƙananan hanyoyin sadarwa. Koyaya, a tarihance, ƙananan ƙarancin kododin mai jiwuwa, ƙarancin fahimtar siginar murya kuma mafi robotic ne.
Har ila yau, kodayake wasu mutane suna da damar yin amfani da hanyar sadarwa mai inganci mai inganci, wannan matakin na hadawa ba na kowa bane, kuma hatta mutanen da suke rayuwa a wuraren da suke da alaka da kyau wani lokaci sukan hadu da hanyoyin sadarwa mara kyau, hanyoyin sadarwa mara kyau, da kuma haduwa.
Don magance wannan matsalar, Google ya kirkiro Lyra, mai inganci, mai saurin-magana-lambar magana wanda ke samar da sadarwar murya koda kan hanyoyin sadarwa masu jinkiri.
Don yin wannan, Google yayi amfani da dabarun tsara lambar gargajiya yayin amfani da ci gaba a cikin ilmantarwa na inji tare da samfuran da aka horar sama da dubban awanni na bayanai don ƙirƙirar sabuwar hanyar matsewa da watsa sigina na murya.
An rubuta lambar Lyra a cikin C ++ don saurin, Ingantaccen aiki tare, tare da amfani da tsarin Bazel tare da Abseil da tsarin GoogleTest don cikakken gwajin naúrar.
Basic API yana ba da hanyar dubawa don tsarawa da dikodi a cikin fakiti da matakin fayil. Hakanan an samarda kayan aikin kayan aikin sigina cikakke kuma ya haɗa da matatun da canje-canje iri-iri.
“Aikace-aikacen samfurinmu ya haɗu da Android NDK don nuna yadda ake haɗa lambar asalin Lyra cikin aikace-aikacen Android mai tushen Java. Hakanan muna samar da ma'aunin vector da masu adadi da ake buƙata don gudanar da Lyra, "in ji Google. Wannan fitowar yana ba da kayan aikin da ake buƙata don masu haɓakawa don sanyawa da yanke sauti tare da Lyra, wanda aka ƙaddara don tsarin 64-bit na Android ARM, tare da sigar don Linux.
An tsara fasalulluka cikin yanayin ƙawancen amfani da samfurin ƙira. Samfurai na zamani sune nau'ikan samfurin koyon inji na musamman waɗanda suka dace da sake ƙirƙirar cikakken igiyar muryar sauti daga iyakantattun ayyuka.
Tsarin gine-ginen Lyra yayi kamanceceniya da kododin sauti na gargajiya, wanda ya kasance ginshiƙin sadarwar Intanet shekaru da yawa. Duk da yake waɗannan kododin gargajiyar sun dogara ne da dabarun sarrafa sigina na dijital, Lyra tana zaune cikin ƙirar samfurin don sake sake sigar magana mai inganci.
Google ya aiwatar da Lyra a cikin aikace-aikacen kiran bidiyo kyauta ta Duo kuma ya ce yana buɗe lambar ne saboda tana tunanin cewa zai iya dacewa da sauran aikace-aikacen.
Google yana tsammanin akwai wasu aikace-aikacen da Lyra zasu iya dacewa da su, ko don adana babban murya, adana rayuwar batir, ko kuma rage cunkoso a cikin yanayi mai wahala.
"Muna sa ran ganin kirkirar da ke nuna al'umar bude hanyar da ake amfani da ita a kan Lyra don isar da iko da aikace-aikace na musamman," in ji Google.
Source: https://opensource.googleblog.com