1 Video for Live Music Performance and Education Stefan Karapetkov Emerging Technologies Director.

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Presentation transcript:

1 Video for Live Music Performance and Education Stefan Karapetkov Emerging Technologies Director

2 Polycom

3 UC Group UC Personal Polycom and Unified Communications Video Content Management and Delivery Universal Scale and Virtualizatio n Management and Reporting Flexible Conferenc e Platforms B2B Communication Application Mobile Applications Tablets /Smart PhonesWiFi / Dect PhonesPersonal Telepresence Business Media Phones Conference Phones Immersive Telepresence Room Telepresence UC Collaboration RealPresence TM Platform

4 Manhattan

5 Manhattan School of Music

6 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

7 Manhattan School of Music

8 Classical Program at MSM

9 Jazz Program at MSM – David Liebman

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

11 Audio and Video Transmission Basics Concert SiteRemote Site

12 Video Compression

13 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 Up to 50 %! 4CIF CIF p p p

14 Audio Compression

15 Advanced Audio Encoding Data Bit Rate Audio Frequency G G.722 AMR-NB G.711 G Wideband Narrowband 4 kbps64 kbps128 kbps Siren 14 stereo G.729A G.728 G.722.1C Super Wide Siren 22 stereo 256 kbps G.719 stereo

16 Giving Audio High Priority Audio Video High priority BandwidthStandard SettingMusic Mode > 1024Siren22 Stereo Siren22 Stereo 96Siren22 Stereo Siren22 Stereo 96Siren22 Stereo Siren22 Stereo 96Siren22 Stereo Siren14 Stereo 48

17 Automatic Gain Control Signal strength AGC adds 0dB AGC adds 3dB AGC adds 6dB Max. 3,60m from microphone Nominal is 60cm from microphone

18 Automatic Noise Suppression and Noise Fill Signal White noise Signal Comfort Noise ANS Noise Fill

19 Acoustic Echo Cancellation AEC Coupling

20 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

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