调频立体声广播的播出质量很高,主要是因为它能给出比普通广播宽得多的频带,其噪声、失真和动态范围指标也相当高;尤其是播出的声音具有和音源的空间分布相似的“声像”.因此,立体声节目能给人以真实的、身临其境的艺术享受. 立体声接收机的关键部位是解码器,解码器电路中的难点是再生副载频.现在向读者介绍的新型的立 The quality of the broadcast of FM stereo broadcasting is high, mainly because it gives a much wider band than normal broadcasting, and its noise, distortion and dynamic range indicators are also quite high; in particular, the broadcast sound has a spatial distribution Similar to the “audio and video.” Therefore, the stereo program can give people a real, immersive artistic enjoyment.The key part of the stereo receiver is the decoder, the decoder circuit is difficult to reproduce the subcarrier now to Readers introduced the new legislation