Flexilink: A unified low latency network architecture for multichannel live audio

Wang, Y. and Grant, J. and Foss, J. (2012) Flexilink: A unified low latency network architecture for multichannel live audio. In: 133rd Audio Engineering Society Convention 2012, AES 2012, 26 October 2012 through 29 October 2012, San Francisco, CA; United States.

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Abstract

The networking of live audio for professional applications typically uses layer 2 based solutions such as AES50 [1] and MADI utilising fixed time slots similar to Time Division Multiplexing (TDM). However, these solutions are not effective for best effort traffic where data traffic utilises available bandwidth and is consequently subject to variations in QoS. There are audio networking methods such as AES47 which is based on asynchronous transfer mode (ATM), but ATM equipment is rarely available. Audio can also be sent over Internet Protocol (IP), but the size of the packet headers and the difficulty of keeping latency within acceptable limits make it unsuitable for many applications. In this paper, we propose a new unified low latency network architecture that supports both time deterministic and best effort traffic towards full bandwidth utilisation with high performance routing/switching. For live audio, this network architecture allows low latency as well as the flexibility to support multiplexing multiple channels with different sampling rates and word lengths.

Item Type: Conference or Workshop Item (Paper)
Uncontrolled Keywords: Acceptable limit, Audio networking, Available bandwidth, Best-Effort Traffic, High performance routing, Multiple channels, Packet header, Sampling rates, Advanced traffic management systems, Asynchronous transfer mode, Audio acoustics, Bandwidth, Internet protocols, Network architecture
Subjects: G400 Computer Science
Divisions: UoA Collections > UoA11: Computer Science and Informatics
Faculty of Computing, Engineering and the Built Environment
Faculty of Computing, Engineering and the Built Environment > School of Computing and Digital Technology
Faculty of Computing, Engineering and the Built Environment > School of Computing and Digital Technology > Digital Media Technology
Depositing User: Hussen Farooq
Date Deposited: 20 Jul 2016 13:28
Last Modified: 20 Jul 2016 13:28
URI: http://www.open-access.bcu.ac.uk/id/eprint/2196

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