Digital Audio Broadcasting (DAB) is a digital radio standard used in many parts of the world. It provides clearer sound, more station choices, and better efficiency compared to analog systems. DAB+ is an enhanced version that uses more efficient audio codecs like AAC+ for better quality.
Yes. Many stations stream their broadcasts over the internet, allowing global access. Internet radio apps and websites like TuneIn, iHeartRadio, and Radio Garden make it easy to listen to thousands of stations worldwide without a traditional radio.
SDR is a radio system where software handles tasks traditionally performed by hardware. This allows a single device to receive a wide range of frequencies and protocols, simply by changing software. SDRs are used in research, military, and amateur radio because of their flexibility.
In emergencies like natural disasters, radio is often the most reliable form of communication. Emergency radios can receive broadcasts from agencies like NOAA (in the US) that provide weather alerts, evacuation notices, and critical updates. Many emergency radios are hand-cranked or solar-powered to function without electricity.
