LP, traditional vinyl record. LP means Long-Playing, because the response frequency of the record is directly proportional to the rotation speed. The faster the rotation, the wider the response frequency, but the shorter the recording time. In the early days of the development of records, the technology was not very developed. High rotation speed is necessary to maintain a wide response frequency, so the recording time is very short.

Many people directly call traditional vinyl records "LP", while the source system composed of a complete set of vinyl records is called "LP system" or "analog source". 』Differences from digital sources of CD.

In LP mode, the running speed of the tape is half as slow, so the playback or recording time of the same length of tape is doubled, which can save the usage of video cassette tapes, especially suitable for Record for a long time.

Extended information

The difference between vinyl discs and ordinary CDs:

The first impression of vinyl discs was in Shanghai movies in the 1920s and 1930s. The black and white slightly scratched film stars a wealthy man and lady, holding a beautiful glass wine glass, dancing or sitting in an elegant room. Behind him comes a pure sound of blues or popular music from a trumpet-shaped black record player. The female star sang softly.

Vinyl is transparent, clear, and open, with hidden flaws. What it conveys through your ears is a warm feeling that is very much like a real person breathing beside you. It is humane and not as cold as digital.

Vinyl discs record the most special and glorious period in the history of music development, but now, only a few companies continue to produce records for vinyl disc enthusiasts, and the others have long ceased production. Due to price and playback carrier limitations, the audience for vinyl discs is very small and cannot form a separate market.

Baidu Encyclopedia-Vinyl Records