Set top box method and system supporting two-way recording

The invention provides a set top box method and system supporting two-way recording. The invention relates to a set top box double-channel cross-frequency-point simultaneous recording method. Programs which a user is interested in are automatically recorded while playing of the current program is not interrupted. According to the invention, a double tuner chip scheme is adopted, compared with a conventional television set top box, one more path can be provided for cross-frequency point recording, meanwhile, an automatic TimeShift function can be realized, when a user watches an interested program, other interested programs which are being played can be automatically started and recorded under the condition that the current playing is not interrupted, and the use convenience of the user is improved. 本发明提供了一种支持双路刻录的机顶盒方法和系统；本发明涉及的一种机顶盒双路跨频点同时刻录的方法、一种支持不打断当前节目播放同时自动刻录用户感兴趣的节目；本发明采用双调谐器芯片方案，相较于常规电视机顶盒，可以多出一路来进行跨频点刻录，同时也可以实现自动TimeShift的功能，对于用户正在观看一个感兴趣的节目，在不打断当前播放的情况下，能自动开启录制其他正在播放的感兴趣节目，提高用户的使用便捷性。