Digital Audio Broadcastingrevised with the newest criteria and updates of all new developments
the recent electronic broadcast procedure family members is particularly varied from present traditional broadcast structures. it's standardised in various records (from ITU-R, ISO/IEC, ETSI, EBU, and others) that are frequently tricky to learn. This booklet deals a entire and completely up-to-date evaluate of electronic Audio Broadcasting (DAB, DAB+) and electronic Multimedia Broadcasting (DMB), and comparable providers and functions. moreover, the authors proceed to construct upon the themes of the former variants, together with audio coding, facts providers, receiver thoughts, frequencies, and so forth. There are a number of new sections within the ebook, which might be another way tricky to find from a number of assets.
- The contents were considerably up-to-date from the second one version, together with updated insurance of the most recent criteria
- Contains a brand new bankruptcy on electronic Multimedia Broadcasting
- “Must-have” guide for engineers, builders and different pros within the box
This publication might be of curiosity to making plans and approach engineers, builders for pro and family apparatus brands, carrier prone, postgraduate scholars and academics in communications know-how. Broadcasting engineers in comparable fields also will locate this publication insightful.Content:
Chapter 1 creation (pages 1–27):
Chapter 2 procedure thought (pages 29–92):
Chapter three Audio companies and purposes (pages 93–165):
Chapter four info providers and purposes (pages 167–191):
Chapter five Provision of prone (pages 193–229):
Chapter 6 assortment and Distribution Networks (pages 231–262):
Chapter 7 the printed facet (pages 263–317):
Chapter eight The Receiving aspect (pages 319–361):
Chapter nine cellular tv and Multimedia (pages 363–381):
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Additional info for Digital Audio Broadcasting: Principles and Applications of DAB, DAB+ and DMB, Third Edition
Details are given in Chapter 8. EMC parameters for receivers are identified in EACEM TR-004. [EN 50255] specifies the Receiver Data Interface (RDI) between DAB receivers and peripheral data equipment. A special command set to control receivers is described in [EN 50320]. The ETSI Technical Report [TR 101758] lists general field strength considerations for a DAB system. More general requirements to radio receivers concerning EMC are given in [EN 55013] and [EN 55020]. 6 Guidelines for Implementation and Operation In addition to the given standards, more detailed guidelines and rules for implementation and operation are compiled in [TR 101296] as a main guideline document for service providers and manufacturers.
The ETSI Technical Report [TR 101758] lists general field strength considerations for a DAB system. More general requirements to radio receivers concerning EMC are given in [EN 55013] and [EN 55020]. 6 Guidelines for Implementation and Operation In addition to the given standards, more detailed guidelines and rules for implementation and operation are compiled in [TR 101296] as a main guideline document for service providers and manufacturers. A guide to standards, guidelines and bibliography is given in the ETSI Technical Report [TR 101495].
From the point of view of audio quality, by using MPEG Layer III at 128 kbps the quality will be comparable to that of DAB at 160 to 192 kbps. At this bit rate, however, the number of channels per spot is restricted to 24. Owing to the large coverage areas this number may not be sufficient to serve the multilingual and multiethnic audience. Hence, the audio bit rate will have to be reduced in order to increase the number of channels available. Nevertheless the sound quality will in many cases still be comparable at least to mono FM, which is still a major improvement on short-wave AM.