Playback apparatus

• US 20070031119A1
• Filed: 08/02/2006
• Published: 02/08/2007
• Est. Priority Date: 08/02/2005
• Status: Abandoned Application

• Current Assignee: Funai Electric Co., Ltd.
• Original Assignee: Funai Electric Co., Ltd.
• Inventors: Iwanaga, Akihiro
• Application Number:
  US11/497,328
• Publication Number:
  US 20070031119A1
• Time in Patent Office: Days
• US Class Current: 386/241
• CPC Class Codes: G11B 27/10 Indexing; Addressing; Timing or synchronising; Measuring tape travel
• CPC Class Codes: G11B 27/28 by using information signals recorded by the same method as the main recording G11B27/22 takes precedence
• CPC Class Codes: H04N 5/147 Scene change detection
• CPC Class Codes: H04N 5/781 on disks or drums
• CPC Class Codes: H04N 5/85 on discs or drums
• CPC Class Codes: H04N 9/8042 involving data reduction

Abstract

A playback apparatus includes a scene change position detecting unit that detects a scene change position closest in a playback direction to a playback position at the time that a scene skip request was input during playback of a program recorded on a recording medium, and a scene skipping unit that skips the playback position to the scene change position detected by the scene change position detecting unit. The scene change position detecting unit detects the scene change position based on the change in bit rate of video in the recorded data.

Claims

1. A playback apparatus comprising:

a reading unit that reads recorded data of a program recorded on a recording medium;

a playback unit that outputs a playback signal which is based on the recorded data read by the reading unit;

a scene change position detecting unit that detects a scene change position closest in a playback direction to a playback position at a time when a scene skip request is input during playback of the program by the playback unit; and

a scene skipping unit that skips the playback position in the playback unit to the scene change position detected by the scene change position detecting unit, wherein

the scene change position detecting unit detects the scene change position based on a change in bit rate of video in the recorded data.

2. The playback apparatus according to claim 1, wherein the scene change position detecting unit provisionally detects the scene change position based on the change in bit rate of video in the recorded data, and detects the provisionally detected scene change position as the closest scene change position in the playback direction if black frame video does not exist within a prescribed time period in the playback direction from the provisionally detected scene change position, and

if black frame video does exist within the prescribed time period in the playback direction from the provisionally detected scene change position, the scene change position detecting unit repeats processing to provisionally detect video following the black frame video as a scene change position until a scene change position is provisionally detected that does not have black frame video existing within the prescribed time period in the playback direction therefrom, and detects the provisionally detected scene change position that does not have black frame video existing within the prescribed time period in the playback direction therefrom as the closest scene change position in the playback direction.

3. The playback apparatus according to claim 1, wherein the scene skipping unit starts fast forward playback by the playback unit when the scene skip request is input, and stops fast forward playback by the playback unit and resumes normal playback when the playback position reaches the scene change position detected by the scene change position detecting unit.