| 摘要 |
<p>A method for generating commercial information using a data recording device (11, 21, 31) can provide commercial sponsors with feedback regarding the effectiveness of their commercials. According to the method, program data including a commercial is recorded. The recorded program data including the commercial is played back. A trigger event for the commercial is detected during playback. Information identifying the commercial is stored in response to detection of the trigger event.</p> |
