SYSTEM AND METHOD FOR PRESENTING SUPPLEMENTARY PROGRAM DATA UTILIZING PRE-PROCESSING SCHEME

• US 20080175564A1
• Filed: 01/19/2007
• Published: 07/24/2008
• Est. Priority Date: 01/19/2007
• Status: Abandoned Application

• Current Assignee: MediaTek, Inc.
• Original Assignee: MediaTek, Inc.
• Inventors: Lin, Chi-Chun
• Application Number:
  US11/624,702
• Publication Number:
  US 20080175564A1
• Time in Patent Office: Days
• US Class Current: 386/124
• CPC Class Codes: H04N 21/43074 of additional data with content streams on the same device, e.g. of EPG data or interactive icon with a TV program
• CPC Class Codes: H04N 21/4884 for displaying subtitles
• CPC Class Codes: H04N 9/8233 the additional signal being a character code signal

Abstract

A system for pre-processing supplementary program data is provided. The system includes: a storage device, for storing at least one supplementary program data unit; a parser, coupled to the storage device, for storing the supplementary program data unit in the storage device, and determining a presentation timing corresponding to the supplementary program data unit, the presentation timing including a presentation-on time; and a Presentation Unit (PU), coupled to the parser and the storage device, for pre-processing the supplementary program data unit to generate presentation content of the supplementary program data unit before the presentation-on time is reached, and for presenting the supplementary program data unit according to the presentation timing and the presentation content.

Claims

1. A system for presenting supplementary program data, the system comprising:

a storage device, for storing at least one supplementary program data unit;

a parser, coupled to the storage device, for parsing the supplementary data unit in the storage device, and determining a presentation timing corresponding to the supplementary program data unit, the presentation timing including a presentation-on time; and

a Presentation Unit (PU), coupled to the parser and the storage device, for pre-processing the supplementary program data unit to generate presentation content before the presentation-on time is reached, and for presenting the supplementary program data unit according to the presentation timing and the presentation content.

2. The system of claim 1, wherein the storage device is a queue for storing a plurality of supplementary program data units.

3. The system of claim 2, wherein the parser continuously parses supplementary program data units into the queue until the queue is full.

4. The system of claim 2, wherein the presentation timing further includes a presentation-off time, and when the presentation-off time is reached the parser removes the supplementary program data unit from the queue.

5. The system of claim 2, wherein the parser stores data in the queue by determining a data size of a specific supplementary program data.

6. The system of claim 5, further comprising:

a supplementary program data source containing the supplementary program data units;

wherein the parser parses the supplementary program data source for determining a data size of each supplementary program data unit.

7. The system of claim 1, wherein the presentation timing further includes a presentation-off time, and when the presentation-off time is reached the parser removes the supplementary program data unit from the storage device.

8. The system of claim 1, wherein the supplementary program data unit comprises subtitle data, closed caption data, picture data, symbol data, logo data or audio data.

9. The system of claim 1, wherein the supplementary program data unit is a subtitle, and pre-processing of the subtitle generates presentation content.

10. The system of claim 9, further comprising:

a subtitle file containing the subtitles;

wherein the parser parses the subtitle file for determining a data size of each subtitle.

11. A method for presenting supplementary program data, the method comprising:

storing at least one supplementary program data unit;

determining a presentation timing corresponding to the supplementary program data unit, the presentation timing including a presentation-on time;

pre-processing the supplementary program data unit to generate presentation content of the supplementary program data unit before the presentation-on time is reached; and

presenting the supplementary program data unit according to the presentation timing and the presentation content.

12. The method of claim 11, wherein the step of storing at least one supplementary program data unit comprises:

providing a storage and utilizing the storage to store a plurality of supplementary program data units.

13. The method of claim 12, wherein the step of storing at least one supplementary program data unit further comprises:

continuously storing supplementary program data units in the storage until the storage is full.

14. The method of claim 12, wherein the presentation timing further includes a presentation-off time, and the step of presenting the supplementary program data unit according to the presentation timing and the presentation content further comprises:

when the presentation-off time is reached, removing the supplementary program data unit from the storage.

15. The method of claim 12, wherein the step of storing at least one supplementary program data unit further comprises:

determining a data size of a specific supplementary program data unit.

16. The method of claim 12 wherein the step of storing at least one supplementary program data unit further comprises:

receiving a supplementary program data source containing the supplementary program data units; and

parsing the supplementary program data file for determining a data size of each supplementary program data unit.

17. The method of claim 11, wherein the presentation timing further includes a presentation-off time, and the step of presenting the supplementary program data unit according to the presentation timing and the presentation content further comprises:

when the presentation-off time is reached, removing the stored supplementary program data unit.

18. The method of claim 11, wherein the supplementary program data unit includes subtitle data, closed caption data, picture data, symbol data, logo data or audio data.

19. The method of claim 11, wherein the supplementary program data unit is a subtitle, and pre-processing of the subtitle generates presentation content.