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1.Overview
Digital Sound Broadcasting Systems
| . |
USB |
Europe |
Japan |
| TV |
DTV |
DVB-T |
ISDB-T |
| Sound |
IBOC |
DAB |
ISDB-T |
| Carrier modulation |
OFDM |
OFDM |
OFDM |
| Multiplex structure |
Original System |
Original System |
MPEG-2 System |
| Audio coding |
MPEG-2 Audio AAC |
MPEG-1(Layer2) |
MPEG-2 Audio AAC |
・ ISDB-TSB (Integrated Services Digital Broadcasting Terrestrial for sound broadcasting) system was developed for terrestrial Digital Sound Broadcasting (DSB) .
・ Laboratory experiments and field trials using Tokyo-tower were carried out to verify the system performance in 1999 and the final specification was approved as a Japanese Standard in November 1999.
・ Two stations were launched in Tokyo and Osaka in the frequency band
188 MHz to 192 MHz, we called VHF 7ch, in October 2003.
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