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Tsarin tattalin arziki na Synchronous FM

Tsarin tattalin arziki na Synchronous FM

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Synchronous FM, Mai watsa shirye-shirye FM mai aiki tare, mai watsa shirye-shirye FM / aiki tare, mai watsa FM lokaci / watsawa, mitar FM guda ɗaya / cibiyar sadarwar rediyo:

A FM Single Frequency Network shine cibiyar watsa shirye-shiryen watsa shirye-shirye inda masu watsa FM daban-daban ke aika da sauti akan mitar guda daya kuma a hade suke sosai. Cibiyoyin watsa shirye-shirye na dijital kamar DVB-T / T2 kazalika da analog AM da hanyoyin sadarwar rediyo rediyo na FM na iya yin aiki ta wannan hanyar. Amfanin SFN shine ingantacciyar amfani da tsaka-tsalle, don bada izinin watsa adadin shirye-shiryen rediyo da TV. Misalin wannan fasahar zamani ne kuma da aiki tare sarkar da ake watsawa ta hanyar rediyo tare da manyan hanyoyi.

Kalubale guda ɗaya don cikakkiyar aikin wannan tsarin shine ainihin daidaitaccen aiki tare cikin aiki na lokaci (ingancin sauti, tsangwama) na siginar da za'a watsa.

Masu watsa shirye-shirye a duk duniya suna amfani da nau'ikan rarraba abun ciki (ASI, E1, tauraron dan adam, IP) don haɓaka fansho, don zama mafi canji kuma don adana farashi.

Duk abincin da aka watsa don watsawa na FM, har ma da abincin da aka daidaita tare ta hanyar E1, yana haifar da jinkiri daban-daban. Fakitin fakiti mara jinkiri a cikin ciyarwar IP (Jitter) ko ciyarwar tauraron dan adam na iya haifar da jinkiri mafi girma wanda ke sa aiki tare da siginar tantanin halitta na FM da matukar rikitarwa.

Synchronous Tsarin bayani yana ba da alama siginar ta hanyar aiki daidai tsakanin hanyar FM-SFN.

Kuna buƙatar ƙara ƙarin Inserter System a cikin watsa abincinku kuma don samar da alamun 1pps a duk tashoshin. Mai ƙwararrun mai karɓa / mai yanke shawara yana bincika alamu kuma yayi aiki daidai da siginar sauti zuwa Sitiriyo da RDS Encoder. Ba shi da wani bambanci wane nau'in rarraba ake amfani da shi ko E1, IP ko tauraron dan adam ko kuma ana zaɓar kowane ɗayan waɗannan ciyarwa don kowane dalilai na talla. Wannan ainihin ainihin watsawar SFN ne saboda dole ne a daidaita siginar matukin jirgi daidai.

Stepsarin matakai za su zama masu aiki tare da Encoders da Transmitters waɗanda ke watsa siginar a ƙarshen.

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