TABLE OF CONTENTS

1

INTRODUCTION

7

2 WHAT IS DIGITAL RADIO?

8

3

WHY DIGITAL RADIO?

10

4

TERRESTRIAL TRANSMISSION SYSTEMS

11

 

4.1

DRM – DIGITAL RADIO MONDIALE

11

 

4.1.1 Key Features of the System Design for the Markets to be Served by the DRM System

11

 

4.1.2 Brief Description of the DRM System

12

 

4.1.3

Transmitter Considerations

17

 

4.1.4

DRM+

18

 

4.2

DAB – EUREKA 147

19

 

4.2.1

System Development

19

 

4.2.2 Principal Advantages and Challenges

19

 

4.2.3 DAB Development Worldwide as of 2006

21

 

4.2.4

Infrastructure Requirements

25

 

4.2.5 Synergies with Other Systems

25

 

4.2.6 Future Developments of DAB

27

 

4.2.7

Types of Receivers

31

 

4.3

JAPAN'S DIGITAL RADIO BROADCASTING (ISDB-TSB)

35

 

4.3.1

Overview

35

 

4.3.2

The Methods

35

 

4.3.3

Characteristics

41

 

4.3.4

Receivers

41

 

4.3.5

Overview of Services

42

 

4.3.6 Outlook for the Future

43

 

4.4

IBIQUITY HD RADIO SYSTEM

44

 

4.4.1 HD Radio Standards Activity

45

 

4.4.2 HD Radio AM and FM Receivers

45

 

4.4.3 HD Radio System Technical Design Overview

46

 

4.4.4

Core Services

47

 

4.4.5

HD Radio Subsystems

50

 

4.4.6

Receiver Systems

52

 

4.4.7 Features Common to North American Digital Radio Systems

53

 

4.4.8

Infrastructure Requirements

56

 

4.5

ISSUES RELATED TO TERRESTRIAL SYSTEMS

58

 

4.5.1

Spectrum Availability

58

 

4.5.2 The Implications of Simulcasting

62

 

4.5.3

Coverage

63

5

SATELLITE TRANSMISSION

65

 

5.1

WORLDSPACE ITU-R SYSTEM D

65

 

5.1.1

Receiver Systems

68

 

5.2

SIRIUS SATELLITE RADIO / XM SATELLITE RADIO

69

 

5.2.1

Sirius Overview

70

 

5.2.2

Deployment Status

74

 

5.3

MOBILE BROADCASTING CORP. AND TU MEDIA CORP. – ITU-R SYSTEM E

75

 

5.3.1

Receiver Systems

75

6

INTERNET RADIO (IR)

76

 

6.1

INTRODUCTION

76

 

6.2

BRINGING RADIO TO THE INTERNET

76

5

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Grundig Digital Radio manual Table of Contents

Digital Radio specifications

The Grundig Digital Radio represents a significant advancement in radio technology, combining aesthetics, functionality, and a user-friendly interface. As a pioneer in the audio and electronics industry, Grundig has successfully integrated modern digital capabilities into its traditional radio design, appealing to both nostalgic listeners and tech-savvy users.

One of the standout features of the Grundig Digital Radio is its versatility in reception. With DAB+ (Digital Audio Broadcasting) technology, users can enjoy a wide array of radio stations with superior sound quality, free from the hiss and interference commonly associated with analog broadcasts. The inclusion of FM and AM bands ensures that listeners are not limited, providing access to local stations that may not yet have transitioned to digital.

The Grundig Digital Radio is designed with ease of use in mind. Its intuitive interface, often featuring a clear LCD display, allows users to navigate through stations and settings effortlessly. Many models also include a built-in tuner that automatically scans and presets available stations, simplifying the setup process. For those who appreciate personalization, some variants come equipped with customizable presets, allowing users to save their favorite stations for quick access.

Portability is another key characteristic of the Grundig Digital Radio. Many models are lightweight and come with built-in handles, making them ideal for on-the-go listening, whether it's in the garden, on the beach, or during a picnic. Battery options, alongside mains power, ensure that users can take advantage of their radios wherever they choose.

In terms of sound quality, Grundig utilizes advanced audio technologies to deliver rich and clear sound. Enhanced bass responses and treble controls allow users to fine-tune their listening experience to match their preferences. Furthermore, many models feature additional inputs, such as AUX and USB ports, enabling users to connect their smartphones or other devices, expanding their audio options.

Other notable characteristics include built-in alarms and timers, which make the Grundig Digital Radio a versatile companion for daily routines. Some models even support Bluetooth connectivity, allowing for seamless streaming from a variety of devices.

In summary, the Grundig Digital Radio embodies the perfect blend of traditional radio appeal and modern digital technology, offering versatility, ease of use, superior sound quality, and portability to meet the diverse needs of today’s listeners. Its well-thought-out features and user-friendly design make it an excellent choice for anyone looking to enhance their audio experience.