The invention provides a multi-channel video and audio online-type playing and editing
system which comprises a
computer hardware system as an operation platform and a
software system. The
software system comprises a video and audio collecting module, a video and audio monitoring module, a video and audio marking and switching module, a video timeline module, an audio timeline module, a video and audio image-text composite file output module, a caption editing module, a caption listing module, a caption image-text timeline module and a video and audio image-text project file output module, wherein the video and audio collecting module is used for collecting
signal sources, the video and audio monitoring module is used for monitoring the
signal sources, the video and audio marking and the switching module is used for marking the collected
signal sources, sending marked videos to the video timeline module to obtain editable video project files, sending marked audios to the audio timeline module to obtain editable audio project files and sending the videos and the audios to the video and audio image-text composite file output module to obtain composite finished video and audio files, the caption editing module, the caption listing module and the caption image-text timeline module are connected in sequence to form editable caption image-text project files, and the video and audio image-text project file output module is used for forming editable video and audio image-text project files. The multi-channel video and audio online-type playing and editing system can form finished files and editable project files and can achieve the functions of
broadcasting director recall, simultaneous recording and editing, one-way recording and multi-way recording.