What is DAB/DAB+?

Digital Audio Broadcasting (DAB) technology enables broadcasters to transmit high-quality digital audio and data services to mobile and stationary receivers in the Very High Frequency (VHF) bands, while facilitating multiple radio stations to share transmission costs by broadcasting on the same frequency using a single transmitter. DAB+ is an upgraded version of DAB, which offers better audio quality, more efficient spectrum usage for additional services, and more robust reception.

Program Associated Data Services

In addition to delivering high-quality digital audio, the DAB system can provide a range of data services, including detailed daily broadcast schedules, visual slideshows, and crucial traffic updates, which encompass information about traffic events, parking, public transport, and electric vehicles.

Emergency Support Applications

Commonly referred to as Emergency Break-In Systems, DAB+ can be utilized to signal emergencies in tunnels. Leaker feeder antenna system transmits DAB signals to in-vehicle receivers. The tunnel operator, from a control center, monitors the tunnel’s status and disseminates alerts through audio messages by redirecting services to emergency announcements.

Nautel’s 100% IP-based DAB Solutions

Nautel, with over 15 years of experience, offers flexible and scalable DAB multi-multiplexing and multi-encoding on a versatile, 100% IP-based platform, deployable on a server/PC, VM, or the Cloud. The Digidia line of DAB/DAB+/DMB products from Nautel, including the FlexiDAB (Multiplexing and Encoding Platform), EasySPY (Monitoring Platform), EasyDAB (ETI File Generator), and DAB-BI 2.0 (Tunnel Break-in System), is designed for ease of installation, use, and maintenance, fully adhering to Eureka147 family standards. This product line features smart redundancy for audio inputs and EDI outputs at the subchannel level, supports various audio over IP inputs including AES67, and offers Program Associated Data over IP. These capabilities enable a broad range of applications, from digital radio to mobile TV and push data.

FlexiDAB Multiplexing and Encoding Platform

FlexiDAB is a DAB/DAB+/DMB Multiplexing and Encoding Platform suitable for use in studios, central sites, or directly at transmitter locations. This advanced solution offers exceptional portability across various industrial PC platforms, including 1RU, 2RU, and 4RU systems.

As a flexible and compact all-in-one box solution, it enables multi-encoding (both audio and data) and multi-multiplexing for DAB/DAB+/DMB. FlexiDAB serves as a Service Multiplexer, Ensemble Multiplexer, Re-Multiplexer, Audio Encoder, Data Encoder & Inserter, making it a flexible choice for various applications. It is well-suited for IP-based distribution and contribution network configurations, offering a user-friendly graphical user interface (GUI), a straightforward architecture, and support for 1+1 hot redundancy. Additionally, it provides options for EDI, ETI, and RF output.

EasySPY Monitoring Platform

EasySPY is an advanced DAB/DAB+/DMB Monitoring Platform designed for comprehensive network analysis and monitoring. It efficiently monitors, analyzes, and records EDI/ETI data throughout the DAB network, from encoder outputs in studios to inputs at transmitter sites. It offers portability and flexibility, supporting various industrial PC platforms, including 1RU, 2RU, 4RU, and Cube systems.

EasySPY provides a unified solution for separate or simultaneous EDI, ETI, and RF Monitoring. Additionally, it features multi-ensemble and multi-decoding capabilities for DAB/DAB+/DMB, and its software architecture enables easy customization, ensuring its flexibility as a monitoring solution.

EasyDAB ETI File Generator

EasyDAB is a cost-effective, high-performance Ensemble Transport Interface (ETI) file generator designed for testing DAB/DAB+/DMB services, offering an economical alternative to purchasing a full head-end/encoder system. With the addition of a TPEG encoder, it can be transformed into a TPEG Test Kit. This advanced solution ensures seamless integration across various industrial PC configurations, including 1RU, 2RU, and 4RU models, for broad technical adaptability.

The device is well-equipped with Auto Range power supply, and Windows XP Pro, ensuring robust performance. It adheres to the ETS 300 799 standard for ETI output, supports comprehensive multiplexing (FIC, MSC, Packet), and is versatile with support for Modes 1, 2, 3, and 4, making it highly suitable for a variety of digital broadcasting applications.

DAB-BI 2.0 Tunnel Break-in System

DAB-BI 2.0 is a versatile DAB/DAB+/DMB Tunnel Break-in System employed for the retransmission and voice break-in of DAB signals within tunnels, typically used to broadcast emergency announcements. Housed within a compact single box measuring 483x350x177mm, DAB-BI 2.0 efficiently manages up to 4 ensembles simultaneously.

It also offers features such as SFN compatibility, synchronization with GPS antenna signals, and the ability to automatically adapt to changing multiplex configurations of DAB ensembles outside the tunnel. Furthermore, it supports an unlimited number of encoders and provides an intuitive user-friendly interface. With remote control, maintenance, and monitoring capabilities, DAB-BI 2.0 ensures efficient operation in tunnel environments.