Patent ID: 7177524

Claim:
A signal processing apparatus that records a new information signal on a recording medium on which is previously recorded an information signal, comprising: reproducing means for reproducing the information signals from the recording medium; stop instructing means for giving an instruction to stop reproducing the previously recorded information signal at an arbitrary position in the previously recorded information signal; signal processing instructing means for giving an instruction relating to predetermined signal processing; recording instructing means for giving an instruction for starting recording; recording means responsive to the instruction from said signal processing instructing means and the instruction for starting recording the new information signal from said recording instructing means, for recording the new information signal into an empty space on the recording medium and recording additional information indicating that the recorded new information signal is an information signal recorded in accordance with the instruction from said signal processing instructing means, together with a file including the new information signal on the recording medium; and play list processing means responsive to the instruction from said signal processing instructing means and the instruction for starting recording the new information signal on the recording medium from said recording instructing means, for generating play list information that controls a reproducing procedure carried out by said reproducing means such that the new information signal is reproduced in succession to reproduction of the previously recorded information signal up to a reproduction stop position instructed by said stop instructing means.