Progressive video reformatting for film-based content
View Patent ↗A video formatter reformats progressive video using a film-based video film rate and a display refresh rate to determine a frame OFF period for a progressive video sequence. The video formatter inserts at least one black frame into the progressive video sequence to approximate the frame OFF period. Typically, the film rate is 24 frames per second (industry standard) and, thus, the display refresh rate can be a multiple of the frame rate (e.g., 96 Hz, 120 Hz, 240 Hz, etc.). Progressive video replicates a single frame of a film several times (“a progressive video sequence”) depending on a display's refresh rate. The black frame(s) is/are substituted at the end of this sequence instead of displaying the same image throughout for a single film frame.
1. A system, comprising:
a video formatter that reformats progressive video using a film-based content film rate and a display refresh rate to determine a frame OFF period for a progressive video sequence.
2. The system of claim 1 , wherein the video formatter inserts at least one black frame into the progressive video sequence to approximate the frame OFF period.
3. The system of claim 1 , wherein the display refresh rate is a multiple of the film rate.
4. The system of claim 1 , wherein the film-based video frame rate is 24 frames per second.
5. The system of claim 4 , wherein the display refresh rate is 120 hertz and one black frame is inserted into the progressive video sequence.
6. The system of claim 1 , wherein the video formatter operates in association with at least one of a set top box, television, display, disc player, disc recorder, and digital projector.
7. The system of claim 1 , wherein the video formatter is associated with a content authoring system for creating video media.
8. A method, comprising the steps of:
determining a frame OFF period for a progressive video sequence based on a film rate of film content and a display refresh rate of a display that receives a video; and
inserting at least one black frame into the progressive video sequence of the video to approximate the frame OFF period.
9. The method of claim 8 further comprising the step of:
using a display refresh rate that is a multiple of the film rate.
10. The method of claim 8 further comprising the step of:
using, in part, a film rate of 24 frames per second to determine the frame OFF period.
11. The method of claim 10 further comprising the step of:
using, in part, a display refresh rate of 120 hertz to determine the frame OFF period.
12. The method of claim 8 further comprising the step of:
overdriving a first instance of a video sequence frame for each video sequence to compensate for a display's refresh rate.
13. The method of claim 8 , wherein the method is associated with at least one of a set top box, television, display, disc player, disc recorder, and digital projector.
14. A method for creating video media employing the method of claim 8 .
15. A system, comprising:
means for determining a frame OFF period for a progressive video sequence based on a film rate of film content and a display refresh rate of a display that receives a video; and
means for inserting at least one black frame into the progressive video sequence of the video to approximate the frame OFF period.
16. The system of claim 15 , wherein the display refresh rate is a multiple of the film rate.
17. A non-transitory computer readable medium having stored thereon computer executable components of the system of claim 1 .