AES New York 2019
Networked Audio Track Event Details
Wednesday, October 16, 9:00 am — 10:30 am (1E13)
Networked Audio: NA01 - Solution-Based Approaches for Networked Audio in Live Production
Moderator:Dan Ferrisi, Sound & Communications - Port Washington, NY, USA
Panelists:
Tim Boot, Global Brand Strategist, Meyer Sound - Berkeley, CA, USA
Genio Kronauer, L-Acoustics - Marcoussis, France
Morten Lave, Adamson Systems Engineering
Patrice Lavoie, Solotech
Jamie Pollock, Kore Audio Design LLC
With AV increasingly residing on networks, engineers, end-users, integrators and others responsible for system design and implementation face new challenges. Products and systems are becoming increasingly complex with new functionality; managing networks require IT expertise; and audiences expect even greater experiences – particularly in live-sound applications where size and scale can range substantially. Organizations like the Avnu Alliance’s Milan workgroup are providing solutions for networked audio that directly improve both the engineer and audience experience, with audio, video, and data able to coexist in one network via a single cable connection that does not cause interference between the data packets.
This session’s panel will feature live sound industry experts and end users discussing the challenges that face AV systems engineers and others today, and how solutions for networked audio like the Milan protocol help address these needs. Technical aspects will be examined, such as scalability; how much planning is involved; do you have to be an IT expert; as well as real-world systems case studies in networked live sound applications with lessons learned shared and technical solutions discussed.
Attendees will leave with an understanding of the importance of solutions-based networked audio, and how to integrate technology like Milan into their systems, how to build it into the design and layout on an AVB network, and the benefits it brings to both the integrator or sound engineer, as well as the audience.
Wednesday, October 16, 2:45 pm — 4:15 pm (1E13)
Networked Audio: NA02 - An Introductory Tutorial to AES70
Presenters:Jeff Berryman, OCA Alliance
Simon Jones, Focusrite - High Wycombe, Bucks, UK
Ethan Wetzell, OCA Alliance - New York, NY, USA
AES70, also known as OCA, is an architecture for system control and connection management of media networks and devices. AES70 is capable of working effectively with all kinds of devices from multiple manufacturers to provide fully interoperable multivendor networks. In this session the presenters will provide an overview of the AES70 standard. Aimed at developers, users, and technical decision makers, members of the OCA Alliance will cover topics such as the object model, developer resources, and the current and future objectives of the standard.
Thursday, October 17, 10:45 am — 12:15 pm (1E09)
Product Development: PD07 - Introducing A2B – A Low-Latency Digital Audio Bus Standard
Presenters:Joseph Beauchemin, Analog Devices
Denis Labrecque, DeLab Consulting - Half Moon Bay, CA, USA
A2B is a de-facto digital audio communication standard developed to input and deliver deterministic, very low latency (< 50 microseconds) audio across multiple nodes. Multiple microphone arrays and speakers can be connected to the same daisy-chained unshielded twisted-pair (UTP) wires carrying both digital microphone and I2S/TDM audio signals (up to 32 channels), as well as control information and bus power. This presentation will explain the capabilities of A2B and how it works, illustrating how the low-latency A2B bus enables new applications like simplified multichannel pickup cabling and other multichannel digital I/O for music instruments/effects, as well as mixing consoles, robotics applications, and more. The presentation will also demonstrate how easy it is to use the A2B bus to bidirectionally transmit synchronous audio data (I2S/TDM-to-I2S/TDM) and control/status information (I2C-to-I2C) across multiple bus nodes in an A2B system.
Saturday, October 19, 9:00 am — 10:30 am (1E09)
Product Development: PD16 - How To Add AES70 Control to Your Products
Presenters:Jeff Berryman, OCA Alliance
Simon Jones, Focusrite - High Wycombe, Bucks, UK
Ethan Wetzell, OCA Alliance - New York, NY, USA
AES70, also known as OCA, is an architecture for system control and connection management of media networks and devices. AES70 is capable of working effectively with all kinds of devices from multiple manufacturers to provide fully interoperable multi-vendor networks. In this session the presenters will provide a deep-dive on the architecture and implementation of the standard, demonstrating how to implement AES70 inside of a device and how AES70 controllers work. Aimed at developers, members of the OCA Alliance will cover topics such as the object model, class tree, protocol and implementation options, and practical advice for AES70 implementation.
Saturday, October 19, 10:45 am — 12:15 pm (1E08)
Networked Audio: NA03 - What Audio Engineers Need to Know about Media Networks
Presenter:Patrick Killianey, Audinate - Buena Park, CA, USA
Everything in our industry is going to IP. It isn’t just audio – video, lighting, control, and intercom are there as well. This session forms a great base networking skill for anyone in live sound or media production. If you’re comfortable setting up a home network and joining a WiFi hotspot at Starbucks, then this session will launch you comfortably to an intermediate-level user.
By the end of this session, you’ll have the concepts to structurally design a medium sized network for an installation, recording studio or live production. You’ll also have the basic terminology to interact with an IT department, as needed.
This session will be taught by Patrick Killianey from Audinate. Patrick produced a YouTube video series called “Network Fundamentals for Professional Audio” which has become part of the curriculum in college programs towards IT and audio production alike. This live variant of this class will review the key pieces of that video series and chart new territory. We’ll refocus on key concepts on Subnet Mask, Gateway, Reserved LAN ranges, IP addresses to avoid, DNS and DHCP. From there, we’ll add on common structural topics in audio designs like trunk lines, VLANs and VLAN tagging, Spanning Tree Protocol (STP), Link Aggregation Groups (LAGs), non-blocking backplane architecture, and basics of fiber.
Saturday, October 19, 1:30 pm — 2:30 pm (1E21)
Networked Audio: NA04 - Network Audio Strategies: Charting Softwares, Hardwares, Internet Requirements
Presenter:Sarah Weaver, NowNet Arts, Inc.
This workshop will address network audio strategies based on internet bandwidth, quality of service, network type (public or private/research), and administration configurations. The strategies are matched with current network audio software and hardware utilizing varieties of channel numbers and qualities to provide a comprehensive chart for usage of the technology. The chart illustrates strategies including and beyond Gigabit Ethernet for broader access, efficiency, and sustainability in network audio across a wide scope of public and private networks.
Saturday, October 19, 2:45 pm — 4:15 pm (1E21)
Networked Audio: NA05 - Network Media Open Specifications (NMOS)—How They Relate to Audio Networking
Presenter:Andreas Hildebrand, ALC NetworX GmbH - Munich, Germany
With AES67, a proven and well-accepted standard for real-time transport of studio quality audio signals has found its way into nearly any networked audio product in the market. But solving interoperability issues for synchronization and transport formats does not automatically result in fully working systems when they combine devices from various brands. From an application perspective, system management and device control are also essential to system becoming “usable.”
While device control, particularly when it comes to specific features of individual devices, may remain device-specific and maybe even proprietary, it is highly desirable to include common functionality that would allow basic system management, including discovery of devices and their resources on a network and basic connection management as well. AES67 provides hints on these “upper layer” functionalities but doesn’t mandate any particular scheme.
The Advanced Media Workflow Association (AMWA), an industry-wide organization defining business needs for interoperability of networked media systems, has identified this gap and a few years ago initiated the NMOS (Networked Media Open Specifications) project.
Meanwhile, a number of specifications have been developed that are currently adopted by a large number of manufacturers. Chief among them in addressing the basic needs beyond AES67 are IS-04 (discovery and registration) and IS-05 (connection management). This session provides an overview on these and other important NMOS specifications currently in the works and explains how they fit with AES67 to result in enhanced system-level interoperability.