Key frame detection and synchronization

Patent metadata

Field	Value
Publication number	US-9036655-B2
Application number	US-201313973178-A
Country	US
Kind code	B2
Filing date	Aug 22, 2013
Priority date	Jan 23, 2007
Publication date	May 19, 2015
Grant date	May 19, 2015

Abstract

Mechanisms are provided for allowing a streaming server to efficiently provide frames associated with a media stream to a client device. A streaming server receives multiple media streams and determines which frames in the multiple media streams are key frames. When a connection request is received from a client device, a key frame is selected and provided to the client device. A client device receiving a key frame does not have to drop any predictive frames prior to playing a media stream.

First claim

What is claimed is:

1. A method, comprising:
receiving a first media stream including a first plurality of frames, the first media stream received at a streaming server and maintained in a first buffer, wherein a plurality of buffers at the streaming server are allocated on a per group of pictures (GOP) basis;
receiving a second media stream including a second plurality of frames, the second media stream received at the streaming server and maintained in a second buffer;
deter…

Assignees

• Mobitv Inc

Inventors

• Johansson Kay
• Karlsson Kent

Classifications

• H04L65/60

  Electricity · mapped topic

• H04L65/752

  Electricity · mapped topic

• H04N7/17318 Primary

  Electricity · mapped topic

• H04N21/44016

  Electricity · mapped topic

• H04N21/472

  Electricity · mapped topic