In addition to the audio channel, FM transmission includes Radio Data System (RDS), a low-bit-rate digital-information sub-channel. RDS is used to transmit auxiliary data like program information, ...

在汽车音响系统的功能列表中，RDS（Radio Data System）常被提及却易被忽视，实际上它是提升驾驶信息获取效率的重要技术配置。作为无线电数据广播系统的行业标准，RDS通过调频广播的副载波技术（通常为57kHz）实现数字信息与音频信号的同步传输，使传统广播 ...

LOS ANGELES The never-ending race for revenue has some broadcast groups taking another look at the Radio Data System, a text and data delivery technology that failed to catch the attention of most ...

RDS in 2018 is a crucial component of how audiences perceive a radio station. Yet in the United States, radio managers and technologists frequently overlook it or don’t fully understand the basics.

FM transmitters/receivers are one of the top favorite circuits of every electronic designer. An FM transmitter is one of the first circuits that an electronic enthusiast decides to build. For this ...

Testing FM receivers is not that much different than testing other pieces of audio equipment. Appropriate tests include the big six: level, frequency response, THD+N, phase, interchannel crosstalk, ...