Picture recorder and commercial message detection method
US8306397B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 10, 2007 |
| Grant date | Nov 6, 2012 |
| Priority date | — |
| Expiry date | Aug 6, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N5/85
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A picture recorder that records TV broadcast programs and skips commercial sections included in broadcasts for reproduction, includes: an audio input unit that separates an audio signal from the broadcast program; and an audio processing unit that detects a commercial section from an audio signal separated in the audio input unit, and generates the reproduction position information indicating the position of the commercial section. The audio processing unit includes: a silent section determining unit that compares the level of an audio signal included in the broadcast program with a threshold V0, and determines a section less than V0 as a silent section; and a commercial section determining unit that, when the interval T between adjacent silent sections matches a predetermined time length Tc, determines a section sandwiched by the silent sections as a commercial section.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.