Practical Applications of Digital Media Networking - ProLight + Sound Frankfurt

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Illustrating trends of digital audio and media networking, Audio & Video over fibre IP networking.

Text of Practical Applications of Digital Media Networking - ProLight + Sound Frankfurt

  • 1. Digital Chit ChatDigital Chit Chat Umberto Zanghieri - ZP Engineering srl (The Smart Guy who is not here today and would be happy to debate these topics for two days) RJ Kenny- Link USA (The Clever Guy who has actually used all of this stuff and is willing to talk about it for hours) Bob Vanden Burgt - Link USA/Link Italy (The Not So Smart Guy doing the presentation who promises to be done in 45 minutes) People and ProductsPeople and Products connecting the world of entertainmentconnecting the world of entertainment

2. Klein Dytham Architecture - Tokyo 2003Klein Dytham Architecture - Tokyo 2003 Grown to over 700 citiesGrown to over 700 cities 3. Who is thisWho is this Link?Link? 4. ItIts all about thes all about the PPss 5. People and Products connecting the world of entertainment MarcoMarco PPiromalliiromalli 6. PeoplePeople andand ProductsProducts connecting the world ofconnecting the world of entertainmententertainment 7. People and Products connecting the world of entertainment 8. Winter Olympic 2006 - Turin, ItalyWinter Olympic 2006 - Turin, Italy 9. PPASSION!!ASSION!! 10. PPaul Simon & Art Gurfunkel -aul Simon & Art Gurfunkel - Colosseum, RomeColosseum, Rome 11. 20 Anniversary20 Anniversary Frankfurt 2007Frankfurt 2007 PParmigiano!armigiano! 12. PPAUL!AUL! 13. PPizzaizza & P& Pastaasta 14. Analog Audio DistributionAnalog Audio Distribution People and ProductsPeople and Products connecting the world of entertainmentconnecting the world of entertainment 15. Digital AudioDigital Audio DistributionDistribution People and ProductsPeople and Products connecting the world of entertainmentconnecting the world of entertainment 16. Video DistributionVideo Distribution 17. OEM SolutionsOEM Solutions 18. PProsecco!rosecco! People and ProductsPeople and Products connecting the world of entertainmentconnecting the world of entertainment 19. Practical Applications forPractical Applications for Digital Media NetworkingDigital Media Networking History of Digital Audio Networking AES, IEEE & Evolution of OSI Layers The Current State of the Industry (fragmented at best) Transport Protocol Wars Remote Control & Monitoring Connectivity Challenges & Practical Examples Where are We Going from Here? People and ProductsPeople and Products connecting the world of entertainmentconnecting the world of entertainment 20. Analog or Digital?Analog or Digital? People and ProductsPeople and Products connecting the world of entertainmentconnecting the world of entertainment 21. Analog v. Digital CablingAnalog v. Digital Cabling People and ProductsPeople and Products connecting the world of entertainmentconnecting the world of entertainment 48-channel balanced analog multicore48-channel balanced analog multicore WeightWeight approx. 1,3 kg/m; 97 kg for 100m + 25kg cable drumapprox. 1,3 kg/m; 97 kg for 100m + 25kg cable drum CostCost approx. 20 times the cost of a CAT5e ruggedized cableapprox. 20 times the cost of a CAT5e ruggedized cable Outer diameterOuter diameter 28 mm28 mm 2 x CAT6 + 2 x AES (Eurocable)2 x CAT6 + 2 x AES (Eurocable) WeightWeight approx. 0,38 kg/mapprox. 0,38 kg/m Outer diameterOuter diameter 18 mm18 mm vv ss 22. Moving Audio AroundMoving Audio Around DigitallyDigitally inin a Live Production Environmenta Live Production Environment Quality (Fidelity) Speed & Priority (Latency - milliseconds/microseconds, QoS) Synchronization (Clocking) Distance (Coax, CAT6, MMF, SMF) Flexibility / Compatibility (Topologies / Sharing Hardware) Cost Reliability / Redundancy Compatibility / Standards AES, IEEE People and ProductsPeople and Products connecting the world of entertainmentconnecting the world of entertainment What do we need to careWhat do we need to care about?about? 23. History of DigitalHistory of Digital NetworkingNetworking People and ProductsPeople and Products connecting the world of entertainmentconnecting the world of entertainment Pulse Code Modulation (PCM) &Pulse Code Modulation (PCM) & SamplingSampling In 1924 while working for AT&TIn 1924 while working for AT&T Harry Nyquist studied thisHarry Nyquist studied this sampling technique andsampling technique and developed the Nyquist Samplingdeveloped the Nyquist Sampling Theorem. This theorem statesTheorem. This theorem states that an analog signal can bethat an analog signal can be uniquely reconstructed, withoutuniquely reconstructed, without error, from samples taken aterror, from samples taken at equal time intervals if theequal time intervals if the sampling rate is equal to, orsampling rate is equal to, or greater than, twice the highestgreater than, twice the highest frequency component in thefrequency component in the analog signal.analog signal. Sampling Rate = 2(BW) = 2(3300Sampling Rate = 2(BW) = 2(3300 Hz) = 6600 Samples per SecondHz) = 6600 Samples per Second 24. History of DigitalHistory of Digital NetworkingNetworking People and ProductsPeople and Products connecting the world of entertainmentconnecting the world of entertainment Public Switched Telephone NetworkPublic Switched Telephone Network (PSTN)(PSTN) CoCoder-der-DecDecoder (CODEC) or ADC / DACoder (CODEC) or ADC / DAC 25. History of DigitalHistory of Digital NetworkingNetworking People and ProductsPeople and Products connecting the world of entertainmentconnecting the world of entertainment Linear PCM (Reference CD is 16 bit resolution,Linear PCM (Reference CD is 16 bit resolution, 44.1kHz)44.1kHz) 26. History of DigitalHistory of Digital NetworkingNetworking People and ProductsPeople and Products connecting the world of entertainmentconnecting the world of entertainment Linear PCM (Reference CD is 16 bit resolution,Linear PCM (Reference CD is 16 bit resolution, 44.1kHz)44.1kHz) 27. History of DigitalHistory of Digital NetworkingNetworking People and ProductsPeople and Products connecting the world of entertainmentconnecting the world of entertainment Linear PCM The Big PictureLinear PCM The Big Picture 28. History of DigitalHistory of Digital NetworkingNetworking Audio Engineering Society (AES)Audio Engineering Society (AES) Standards - 1948Standards - 1948 People and ProductsPeople and Products connecting the world of entertainmentconnecting the world of entertainment 1985 AES3 AES/EBU1985 AES3 AES/EBU (RS422 Derived)(RS422 Derived) 2 Channels @ 192kHz2 Channels @ 192kHz 1991 AES10 MADI1991 AES10 MADI (FDDI Fibre Disrtib Data Interface)(FDDI Fibre Disrtib Data Interface) 56 > 64 Channels @ 96kHz56 > 64 Channels @ 96kHz 2005 AES50>SuperMAC/ HyperMAC2005 AES50>SuperMAC/ HyperMAC (Midas-KT)(Midas-KT) 24 Ch @ 96kHz/192 Ch @ 96kHz24 Ch @ 96kHz/192 Ch @ 96kHz 2013 AES67 Published Interoperability2013 AES67 Published Interoperability between Layer 3 Audio over IPbetween Layer 3 Audio over IP 29. History of DigitalHistory of Digital NetworkingNetworking People and ProductsPeople and Products connecting the world of entertainmentconnecting the world of entertainment Recording in the 1990Recording in the 1990ss Digital Audio WorkstationsDigital Audio Workstations Token Ring Networks forToken Ring Networks for moving audio data (not real time)moving audio data (not real time) Evolution of the DSP > WhyEvolution of the DSP > Why shouldnshouldnt the transport be digital?t the transport be digital? 30. History of DigitalHistory of Digital NetworkingNetworking AIEE+ IRE Combined = Institute ofAIEE+ IRE Combined = Institute of Electrical and Electronics Engineers-Electrical and Electronics Engineers- 19631963 People and ProductsPeople and Products connecting the world of entertainmentconnecting the world of entertainment Important milestones in the introduction of Ethernet Transport (IEEE 802.3) 1980 Ethernet first introduced 1985 IEEE 802.3 1990 10 Mbps (10baseT) First implementation of AoE with CobraNet 1995 100 Mbps (100baseTX) 1999 1000 Mbps (1000base TX) 2004 IEEE 802.3 Ethernet Study group established for A/V Streaming 2005 A/V streaming work moved to the 802.1-working group 2009 AVnu Alliance launched 31. Audio-over-EthernetAudio-over-Ethernet People and ProductsPeople and Products connecting the world of entertainmentconnecting the world of entertainment Linear PCM The Big PictureLinear PCM The Big Picture EthernEthern etet EthernEthern etet 32. Audio-over-EthernetAudio-over-Ethernet People and ProductsPeople and Products connecting the world of entertainmentconnecting the world of entertainment 64-channel balanced analog multicore (data from Eurocable)64-channel balanced analog multicore (data from Eurocable) WeightWeight around 1,3 kg/maround 1,3 kg/m CostCost around20 times the cost of a ruggedized CAT5e cablearound20 times the cost of a ruggedized CAT5e cable reroutingrerouting andand splittingsplitting are now possible - Splits are Free!are now possible - Splits are Free! (without manual changes to connections, without manual patch bays)(without manual changes to connections, without manual patch bays) cables are less expensvie and less bulkycables are less expensvie and less bulky redundancyredundancy at reasonable costsat reasonable costs control data and audio transport can be combined on a single connectioncontrol data and audio transport can be combined on a single connection Larger maximum distanceLarger maximum distance (60-70 m with analog cables, ~ 100 m AoE on copper , ~2km AoE on fibre)(60-70 m with analog cables, ~ 100 m AoE on copper , ~2km AoE on fibre) (AoE) why?(AoE) why? 33. People and ProductsPeople and Products connecting the world of entertainmentconnecting the world of entertainment 11 22 33 44 55 66 77 APPLICATIONAPPLICATION PRESENTATIONPRESENTATION SESSIONSESSION TRANSPORTTRANSPORT NETWORKNETWORK DATA LINKDATA LINK PHYSICALPHYSICAL Media, Signals,Media, Signals, Binary TransmissionBinary Transmission Physical AddressingPhysica