Digital Audio Broadcast is the new standard for digital radio in Europe. DAB is described in the “Eureka 147″ standard, ETS 300 401, available from ETSI. DAB will eventually replace FM signals in the UK, and currently carries both audio programs (compressed in MP2 format) and data sub channels for use by various DAB-aware applications. Each DAB channel (in Eureka 147 terms, “Ensemble”) contains a number of sub-channels, each typically containing a radio program service.

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