Enhanced stream reservation protocol for audio video networks

An audio and bridging network technology, applied in the field of AV stream transmission, can solve the problem of lack of two-way audio and video support

Inactive Publication Date: 2014-02-19
SAMSUNG ELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The existing version of High Definition Multimedia Interface (HDMI) lacks support for bidirectional audio video (AV) streaming

Method used

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  • Enhanced stream reservation protocol for audio video networks
  • Enhanced stream reservation protocol for audio video networks
  • Enhanced stream reservation protocol for audio video networks

Examples

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Embodiment Construction

[0030] The present invention relates to data streaming in AV networks. Embodiments of the present invention provide an enhanced resource reservation scheme of a stream reservation protocol for AV streaming. In one embodiment, the enhanced resource reservation scheme modifies the stream reservation protocol of IEEE802.1Qat. In one embodiment, the stream reservation protocol of IEEE802.1Qat is suitable for next-generation HDMI interface applications. The enhanced resource reservation scheme includes support for improved error reporting and overcoming AV network resource changes that may cause changes in the streaming quality of the service.

[0031] The Audio Video Bridging (AVB) technology standard includes a set of specifications for allowing the transport of high-quality, time-sensitive AV applications over IEEE 802 bridged local area networks (LANs). The IEEE802.1Qat Stream Reservation Protocol (SRP) specification enables an AVB destination electronic device (commonly known...

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Abstract

An enhanced stream reservation protocol comprising a Talker device sending a Stream Reservation Protocol (SRP) Talker Advertise message for streaming data to a Listener device, receiving the Talker Advertise message and checking bandwidth availability on an output port thereof for the streaming. In case of insufficient communication bandwidth, sending a failure message that includes information about available bandwidth from the Talker device to the Listener device. A protocol for communication in a bridged network, comprising a Talker device sending an SRP Talker Advertise message for streaming data to a Listener device. The Talker Advertise message includes communication path information from the Talker device to the Listener device. A communication path from the Talker device to the Listener device is selected based on said path metrics, for streaming data between the Talker device and the Listener device.

Description

technical field [0001] The present invention relates generally to Audio Video (AV) networks and, in particular, to AV streaming in AV networks. Background technique [0002] Existing versions of High-Definition Multimedia Interface (HDMI) lack support for bidirectional audio-video (AV) streaming. Ethernet networking, on the other hand, has become common in its deployment across enterprise and residential markets. These Ethernet networks benefit from a significant reduction in cost in supporting high bandwidth traffic. Typical home network connections are expected to increasingly support 1000BASE-T, 10GBASE-T and higher speed standards. Typical network connections include wired and wireless network links. Contents of the invention [0003] technical problem [0004] The present invention relates to data streaming in AV networks such as bridged networks. [0005] Technical solutions [0006] In one embodiment, the present invention provides an enhanced stream reservati...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/28H04L12/58H04L29/06
CPCH04L41/0686H04L43/0882H04L65/80H04L65/1069H04L65/61H04L47/724
Inventor 李在珉哈奇莱特·辛格崔英·恩基欧罗日柱金秀英金承焕金钟和
Owner SAMSUNG ELECTRONICS CO LTD
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