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Video for Live Music Performance and Education

Stefan KarapetkovEmerging Technologies Director

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Polycom

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UC GroupUC Personal

Polycom and Unified Communications

Video ContentManagement and Delivery

Universal Scale and

Virtualization

Management and Reporting

FlexibleConference Platforms

B2B Communication Application

MobileApplications

Tablets /Smart Phones

WiFi / Dect Phones

Personal Telepresence

Business Media PhonesConference Phones

Immersive Telepresence

Room Telepresence

UC Collaboration

RealPresenceTM Platform

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Manhattan

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Manhattan School of Music

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Manhattan School of Music

International Conservatory of Music (1918)

Offering BM, MM and DMA in Classical & Jazz Music

800+ students from over 48 countries

350 Faculty

400 students in Precollege Division (5-17)

400+ Public Concerts/Year

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Manhattan School of Music

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Classical Program at MSM

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Jazz Program at MSM – David Liebman

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Music Session between MSM in New York and the Australian National University in Canberra

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Audio and Video Transmission Basics

Concert Site Remote Site

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Video Compression

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Video Quality and Required Network Bandwidth

Resolution / Frame

Rate

H.264 Baseline Profile (Industry Norm

Today) Call Speed in kbps

H.264 High Profile Only from

Polycom Call Speed in kbps

Polycom Bandwidth Reduction

CIF 30 128 64

Up to 50 %!

4CIF30 256 128

4CIF60 1024 512

720p30 1024 512

720p60 1512 832

1080p30 2048 1024

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Audio Compression

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Advanced Audio Encoding

Data Bit Rate

Au

dio

Fre

qu

ency

G.722.1G.722

AMR-NB

G.711

G.722.2Wid

eb

an

d

Na

rro

wb

an

d

4 kbps 64 kbps 128 kbps

Siren 14 stereo

G.729AG.728

G.722.1CSu

per

Wid

e

Siren 22 stereo

256 kbps

G.719 stereo

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Giving Audio High Priority

Audio

Video

High priority

Bandwidth Standard Setting Music Mode

> 1024 Siren22 Stereo 128 Siren22 Stereo 128

768 - 1024 Siren22 Stereo 96 Siren22 Stereo 128

512 - 768 Siren22 Stereo 96 Siren22 Stereo 128

384 - 512 Siren22 Stereo 96 Siren22 Stereo 128

256 - 384 Siren14 Stereo 48 Siren14 Stereo 48

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Automatic Gain Control

Signal strength

AGC adds 0dBAGC adds 3dB

AGC adds 6dB

Max. 3,60m from microphoneNominal is 60cm from microphone

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Automatic Noise Suppression and Noise Fill

Signal White noise

Signal

Signal Comfort Noise

ANS Noise Fill

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Acoustic Echo Cancellation

AEC Coupling

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Polycom and MSM have worked closely to develop technology for transmitting live music performances

The most popular applications are music education, instructions, and live concerts

The technology is embedded in the Polycom video portfolio – Music Mode

Short video testimonial

Summary

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Email Stefan.Karapetkov@polycom.comBlog http://videonetworker.blogspot.com/

White paper “Music Performance and Instruction over High-Speed Networks”