CD唱片的历史不过才20多年,而录音技术从爱迪生发明留声机以来已有一百多年的历史了。它的变革以及相关设备的进展实在是令人感兴趣的话题,在牵涉到CD唱片时就更为人们关心了。录音技术的实质是如何把声音信号“捕捉”下来并存储在诸如唱片、磁带等各种合适的媒介物上, The history of CDs was more than 20 years, however, and recording technology was more than a century old since Edison invented the phonograph. Its changes and the progress of related devices are really interesting topics that are even more of a concern when it comes to CDs. The essence of recording technology is how to “catch” sound signals and store them in a variety of suitable media, such as record labels, tapes,