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FM Hokkaido Broadcasting Chooses Digigram

AoIP codecs link Hokkaido’s Sapporo station to six transmitter sites

Japanese broadcaster FM Hokkaido Broadcasting is utilizing Digigram Iqoya Link audio-over-IP codecs to establish a connection between its Sapporo station and six of its transmitter sites. SCA Sound Solutions were the supplier of the IP codec.

“SCA helped us to test the functionality, quality, and reliability of Digigram’s IQOYA systems and ensured that we could implement features that are critical to our operations. Since we took the systems live in February, they have performed flawlessly,” said Mr. Hideyuki Yamada, technical manager at FM Hokkaido Broadcasting.

A total of 26 Iqoya Link units were purchased. Twelve units were installed in the main Sapporo station and another 12 were spread about into the six transmitter sites, with each transmitter getting two Iqoya units. Six Iqoya Link units at the station serve as the main transmission line and the other six serve as backup. The remaining two units are stored at the station as spares.

All of the Digigram units use the MPEG L2 compression scheme. With ISDN links to be soon phased out in Japan, the Digigram Iqoya Link units allow FM Hokkaido to establish an alternative.