෤աáШ§ 2551
§ҹwebmaster 09/06/2008 15:24
෤աáШ§ 2551

Ъ ѹ 2551 繻շ ú 75 Դ㹢й ;ҪѭѵºҪþ͹ .. 2551 ռźѧѺѹ 26 Ҥ 2551 Ҫõͧա¹ŧҡشͧ þѲö سҾѡҾͧǢҪ 觨ѡŧҹ ѡö ѡö ¹ŧҤѭաҧ ¡ԡдѺҵðҹҧ (11 дѺ) ͷ ¡ѹ к ѹҵ 2518 觵仢Ҫèա觡˹ 4 ෺ ҹ¡Ԫҡ з仵ѡɳЧҹ оҪѭѵԡûСͺԨáШ§СԨ÷ȹ .. 2551 觻СҪԨҹມ ѹ 4 չҤ 2551 ռźѧѺ Ъѹ˹§ҹҤѰ áԨ˹ҷ СͺԨú Ҹó ԨáШ§СԨ÷ȹ ෷ 1 ֡ ʹ ŻѲ Էʵ෤Ǵ ɵ Ҫվ آҾ͹ ͡سҾԵͧЪҪ áԨ ෷ 3 áШ¢ŢѹҧѰšѺЪҪ ѰҡѺЪҪ ѺЪѹǨռŷ ôԹûСͺԨáШ§СԨ÷ȹ ҡɳ ¡ɳǡѺҹ͡Ԩâͧ˹§ҹҤѰѰˡԨ Ҥ ŹԸ ͡ʹҾѡɳͧͧ ѷСԨ աɳþس һѭػä÷ҧҹ͹Ҥҡ鹨ҡ ѭ ͡ŴѵҡѧͧҪ èѴʶҹԷءШ§ ʶҹͧ÷ȹࢵԡ͹ҤСзҡ
෤աáШ§С÷ȹ͹ҤСؤԨԷ ҹѡоѲҧҹ෤Ԥ Ъѹ ԹþѲҧҹҹ෤ кԨԷŷ ҹ 㹻 2543 Ѵҡ÷ȹкԨԷ DVB е ѹ 5 ѹҤ 2543 鷴ͧ÷ȹкԨԵ DVB-T (Digital Video Broadcasting-Terrestrial ) ͧ 47 (UHF) 682 MHz (ẹԷ 8 MHz) ѧͧ 250 ѵ ͡ҡȴ¡ѧ觷 ҡ 2.5 ѵ ෤ COFDM (Coded Orthogonal Frequency Division Multiplex)觾 Ҩҡû Թ 4 ˹§ҹ áҡѺŢͧҹѡѴҹѡ¡Ѱ Ъѹ ͧŪ觻 ʶҹ÷ȹ ¾պ ѷ ٺի ҡѴ (ʷ.11 9 . TPBS UBC ҹǹ 4 ¡ 㹪ͧǡѹ) ͧ͡ҡ 8 ͹ ж繻á㹡µѹ͡§ҡ÷ͧк÷ȹҤ鹴ԹкԨԷ
articles: technoSound1.gif
Ἱѧк÷ȹ DVB-T ҡ÷ͧ㹻 2543
͹Ҥ 2547 Ъѹҡ÷ͧԷءШ§кԨԷ DRM (Digital Radio Mondiale) ¤ͨҡ ABU (Asia-Pacific Broadcasting Union ѷԵͧԷءШ§ Harris Corporation BBC( VT Merlin Communication) ҡ Deutsche Welle աèѴ÷ͧáШ§ԷкԨԵҹҧ (MW) 837 kHz ʶҹͧԷءШ§觻 ҧٹ ѧѴҹ е 㹻 2548 ҹѡоѲ෤Ԥ Ъѹ Ѻѷ HARRIS ҡ÷ͧ觡Ш§ա駷 ʶҹͧԷ觻 ҧٹ ѧѴҹ ÷ͧ觡Ш§ԨԵк DRM 繡ǨࢵԡԷءШ§кԨԷࢵا෾ л ººѺԷءШ§к .. Ẻ
articles: technoSound2.jpg
سѵԷբͧԷءШ§кԨԷ DRM (Digital Radio Mondiale )
سҾ§ѺҡͧѺԷ դسҾºҡѺͧ蹫մ դѴਹ٧ §úǹ ෤չ йҹѡɳдѧ
- ҹ᷹ԷءШ§к AM (Medium-Short Wave)
- ҹ㹡觡Ш§к AM (MW/SW)
- ѭҳ§к Stereo ö觢(ѡ ŧ ʶҹԷ
駼ѧ¡ )
articles: technoSound3.jpg

㹻 2549-2550 ҹѡоѲҧҹ෤ԤԹèѴç÷ͺ÷ȹкԨԷ DVB-T СԷءШ§кԨԷ HDRadio ҡջѭػä㹡蹤ҹ㹡÷ͧ 觵 ... ͧèѴä蹤СҡѺԨԷءШ§ Է÷ȹ СԨäҤ .. 2543 СáԨԷءШ§觪ҵ (ʪ.) ˹ҷԨó͹حҵСҡѺš蹤͡ԨԷءШ§СԨԷ÷ȹСá˹ҵðҹѡɳо֧ʧҧ෤Ԥͧػó㹡ûСͺԨԷءШ§Է÷ȹ ѧѴ þԨóҨѴäöԹ෤աԷءШ§ HDRadio (High Definition Radio) 觾ѲҨҡѰԡ ѡɳ㹡ҹ
o AM digital سҾ§ѺѧҡͧѺԷºҡѺѺѧк FM
o FM digital سҾ§ѺѧҡͧѺԷºҡѺѺѧҡͧ CD
o سҾ§кԨԷŨЪѴਹ §úǹ ѭҳͨҧ
仺ҧ駨
o öԡѺ觡Ш§ ҡóҡ
èè ͢㹡觡Ш§ ¡ ŧ ͹ѡͧ ɳԹ
سѵԷҧ෤ԤҤѭͧ HDRadio
- ҹ᷹ԷءШ§к AM/FM
- ҹ㹡觡Ш§к AM/FM
- ҹ 1 ö¡ 4-5 ¡
- ѭҳ§к Stereo ö觢(ѡ ŧ ʶҹԷ
駼ѧ¡ )
- öѭҳ AM/FM Analogue Ѻѭҳ HDRadio (Digital) 㹤ǡѹѹ
articles: technoSound4.gif
ͧҡѭػä㹡èѴä蹤Ѻ㹡ԷءШ§кԨԷФҹ㹢йǹҡ㹡ԨäҤ 㹡ԨѾ ԨԹ աҹءҹ С÷¹ѧԷبҡͧѺԷк͹͡ ¡ëͧѺԷкԨԷҷ᷹öԹѹ ѧ鹨֧ժǧ͹к 繵ͧ觡Ш§ͧкѹ˹ HDRadio դ 蹤 ͧͨѴä ö觷͹͡дԨԷѹ е͵ͧкԨԷóẺö͡ẺкԨԷҧ
articles: technoSound5.jpg
෤ա÷ȹкԨԷҤ鹴Թͧҵðҹȭ ISDB-T (IntegratedServices Digital Broadcasting - Terrestrial) ෤觢ѹѺ÷ȹкԨԷ DVB-T ԡ㹻ȭͻ 2550 դسѵ㹡÷ȹ ѧ
o ѭҳ÷ȹդѴਹ٧ (HDTV : High Definition TV) ҹǹ 1 ͧ¡ ѭҳ÷ȹҵðҹ (SDTV : Standard Definition TV) ҹǹ 3 ͧ¡㹪ͧѭҳ ÷ȹ͹͡ҹǹ 1 ͧѭҳҴ 6 MHz
o ѭҳúԡŵ С觡Ш§ҡ 1 ͧѭҳ§
Ѻ÷ȹ
o ҧǹͧ觢ö÷ȹѺԡá÷ȹкԨԷ
ѡɳкѺѭҳ÷ȹ͹ (mobile reception) ѭҳ Ҿ
§ Тźԡõҧ
o öѭҳ÷ȹк͢Էؤ (SFN : Single
Frequency Network)
articles: technoSound6.jpg

ҧ÷ȹк ISDB-T öԡٻẺͧ
ͧҡҾäҤš բʹҪԡš¹÷ȹҤ鹴ԹкԨԷ ˹ԡ÷ȹк͹͡㹻 2015 ( .. 2558) һҳ 7 »÷ȹкԨԷ DVB-T ԧ ʫ DVB-H Ѻ÷ȹ͹ DRM 㹻 2551 ǹѧջѭǡѺ 觤Ҵ ʷ. Ѵº¡öԹ 駡÷ȹкԨԷҤ鹴Թ С觡Ш§кԨԷ DRM, DAB HDRadio
෤ա觡Ш§С÷ȹкԨԷŷԹǹ蹤Ҥ鹴Թ ԷءШ§ кԨԷżҹ ЪѹԹǻҳ 15 кԴ㹻 2550 ¹觡Ш§кԴЪҪöѺѭҳҹͧѺ÷ȹԨԷ ҹ ÷ȹԨԷżҹԡ 10 ѭҳҹҹ C-Band سҾѭҳջѭ㹡Ѻѭҳս
͡ҡʶҹ÷ȹͧ ա¹ѭҳ÷ȹѧʶҹ͢·ǻ÷ȹԨԷżҹ㹪ǧ§ѹ Ҥ