Method and apparatus for scheduling and mixing media in a multi-

Details Method and apparatus for scheduling and mixing media in a multi- Method and apparatus for scheduling and mixing media in a multi-

1995-01-31

1997-03-04

Voeltz, Emanuel T.

Boots, shoes, and leggings

348 17, G06F 316

Patent

active

056086512

ABSTRACT:
A real-time media driver for scheduling and mixing media in a multimedia environment. Implemented to operate in conjunction with a non-real-time operating system, the real-time media driver comprises a wave driver which controls a predominant percentage of the operations of the media hardware device and a mini-device driver which is software provided by the vendor of the media hardware device to support functions unique to the particular media hardware device. Furthermore, the real-time media driver comprises a media scheduler which (i) synchronizes multiple media streams prior to being input into a mixing/splitting device of the media scheduler; (ii) allows reconfiguration of attributes of media streams without loss of content prior to and after operations by the mixing/splitting device; and (iii) appropriately mixes media to produce multi-channel media according to a certain "prioritized sharing" policies.

REFERENCES:
patent: 4658152 (1987-04-01), Walters
patent: 4939723 (1990-07-01), Harley, Jr. et al.
patent: 5109378 (1992-04-01), Proctor et al.
patent: 5459724 (1995-10-01), Jeffrey et al.

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