Digital AM·FM and digital satellite broadcasting technology

Author: Li Dong
Publisher:
Publishing Time: Not Available
Features: In recent years, there have been rapid changes in the field of sound broadcasting technology. The breakthrough development and progress in digital audio signal data rate compression technology have promoted a thorough revolution in broadcasting and television transmission systems, extending the digitalization from studios to the entire transmission system, and transitioning from analog to digital. The era of fully digital broadcasting is approaching. Digital Audio Broadcasting (DAB) is a typical representative, offering CD-quality sound and being suitable for mobile and portable devices as well as fixed reception. It is a multimedia broadcasting service that can operate in the frequency band of (30 MHz–30 GHz) and can be covered through terrestrial cables. In recent years, it has achieved significant development in Europe and other countries and regions. However, large-scale popularization and application will be a matter of the 21st century.