Reserved program recording apparatus and its method

A reserved program recording apparatus for performing picture recording or audio recording of a broadcasted or delivered program, as a reserved program, onto a recording medium based on a previously set recording plan including a reservation start time or a reservation end time, comprising:

• a program data acquisition processor unit configured to acquire program data of the broadcasted or delivered program;
• an audio data acquisition processor unit configured to acquire audio data of the broadcasted or delivered program;
• a key audio data acquisition processor unit configured to read key audio data used for confirmation of content of the broadcasted or delivered program from the recording medium;
• a key audio data check processor unit configured to check the key audio data against the audio data of the program and to acquire check result information;
• and
• a viewing position determination processor unit configured to determine a viewing start position on the recorded reserved program or a viewing end position based on the check result information.

A reserved program recording method for performing picture recording or audio recording of a broadcasted or delivered program, as a reserved program, onto a recording medium based on a previously set recording plan including a reservation start time or a reservation end time, comprising:

• acquiring program data of the broadcasted or delivered program;
• acquiring audio data of the broadcasted or delivered program data;
• recording key audio data as a retrieval key for picture recording or audio recording of the reserved program;
• checking the recorded key audio data against the acquired audio data of the program to acquire check result information;
• and
• changing the recording plan based on the check result information.

A reserved program recording method for performing picture recording or audio recording of a broadcasted or delivered program, as a reserved program, onto a recording medium based on a previously set recording plan including a reservation start time or a reservation end time, comprising:

• acquiring program data of the broadcasted or delivered program;
• acquiring audio data of the broadcasted or delivered program data;
• recording key audio data as a retrieval key for picture recording or audio recording of the reserved program;
• checking the recorded key audio data against the acquired audio data of the program to acquire check result information;
• and
• determining a viewing start position of the recorded reserved program or a viewing end position based on the check result information.

A reserved program recording program product for causing a computer to realize a reserved program recording method of performing picture recording or audio recording of a broadcasted or delivered program, as a reserved program, onto a recording medium based on a previously set recording plan including a reservation start time or a reservation end time, the program product comprising instructions of:

• program data inputting function acquiring program data of the broadcasted or delivered program;
• audio data inputting function acquiring audio data of the broadcasted or delivered program data;
• key audio data recording function recording key audio data as a retrieval key for picture recording or audio recording of the reserved program;
• checking the recorded key audio data against the acquired key audio checking function audio data of the program to acquire check result information;
• and
• reserved program changing function changing the recording plan based on the check result information.

A reserved program recording program product for causing a computer to realize a reserved program recording method of performing picture recording or audio recording of a broadcasted or delivered program, as a reserved program, onto a recording medium based on a previously set recording plan including a reservation start time or a reservation end time, the program product comprising instructions of:

• program data inputting function acquiring program data of the broadcasted or delivered program;
• audio data inputting function acquiring audio data of the broadcasted or delivered program data;
• key audio data recording function recording key audio data as a retrieval key for picture recording or audio recording of the reserved program;
• key audio checking function checking the recorded key audio data against the acquired audio data of the program to acquire check result information;
• and
• viewing time determining function determining a viewing start time of the recorded reserved program or a viewing end time based on the check result information.