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DWX series

DWX series. Send - Receive - Control Digital wireless microphone system Markus Warlich – Sony Europe. Historie. 1 st investigation and test system. 1 st VHF Wireless Mic System introduced. UHF Linear Wireless Mic System introduced. ECM-77B launched for Wireless TX.

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DWX series

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  1. DWX series Send - Receive - Control Digital wireless microphone system Markus Warlich – Sony Europe

  2. Historie 1st investigation and test system 1st VHF Wireless Mic System introduced UHF Linear Wireless Mic System introduced ECM-77B launched for Wireless TX WL-800 Series Synthesized System WRT-847 & WRT-860 introduced Freedom Range launched UWP launched New UWP launched 1985 1991 1995 1999 2003 1972 1979 1962 2008 Analogue Wireless Digital Wireless The Digital Era 2010 2012 2008 2009 “Digital Wireless Studio System” Digital Wireless Plug on TX launched Digital Wireless DWM launched SONY PROFESSIONAL

  3. Technology • 1st UHF PLL Synthesized Wireless Mic System. • 1st System to use direct 800 MHz VCO oscillation. • 1st Wireless system to achieve 282 selectable channels. • 1st To Use LCD displays on both TX’s & RX’s. • 1st To Use AA cell operation. • 1st Wireless mic to utilise 32KHz pilot tone squelch system • 1st System to store inter-modulation free groups. • 1st To introduce Space Diversity RF reception in WM systems. • 1st To realize 42 operational channels with a 36 MHz band. • 1st Wireless mic to indicate accumulated time. (Hrs & Mins). • 1st To use an A/D converter to drive AF display. • 1st High quality Code(24Bit/48KHz) for Digital wireless • 1st 2.4GHz Wireless Remote control System

  4. Why digital?

  5. Key Technology – Digital Modulation • High quality sound • Required sound quality level is increased by Digital transmission technology. • Stable transmission • Even if wireless condition becomes worse, stable transmission must to have. • Simultaneous multichannel operation • More channels are required under limited WhiteSpace. • Latency • More Latency = time forerrorcorrection

  6. Key Technology – Digital Modulation Main cause of unstable digital wireless transmission • Unexpected Noise • Low RF level • MultipathFading • Doppler Fading

  7. What’s m-PSK/APSK modulationPSK(Phase-shift keying) is mainly using for digital wireless transmission under European Standard (ETSI 300 422) /200kHz BW（ Bandwidth ） PSK is sending a data stream by Phase modulation “0” “1” Amplitude : Constant Phase change 0 degree 1 Phase change 180 degree 0 Symbol rate (baut per second) = Bandwidth/roll off factor

  8. Key Technology – Digital Modulation Reliability of data transfer is down as Symbol rate is up. Latency is increased as Symbol rate is up , because error correction is complicated. WiDif-HP is good balanced transmission codec which realize high quality sound with reliable operation. 1. Sony originalAudio CODEC with error compensation 2. Maximize audio data rate with minimum error compensation 3. True Diversity reception by using phase quality data DWX WiDIF-HP

  9. Key Technology – Digital Modulation 256kbps π/4 QPSK (quadrature phase-shift keying)

  10. Key Technology – Digital Modulation DWX needonly 20dB D/U Analog need 40dB

  11. Key Technology – Digital Modulation No Third Order Intermodulation Problem SONY PROFESSIONAL 500kHz between Channels

  12. Key Technology – Digital Modulation ****** Successive TV-Channel ******

  13. Key Technology – Audio Codec • Sony DWX-Series Audio Codec isoptimisedfor • bestaudioquality • stabletransmission • lowlatency • The systemdon‘tuseanysignalcompressionorcompanding • on the analog audioside. The codecuse a clever bitshifting • andbitcompression in the digital domainforsaving • bandwidth. • The systemisoverall not lossless.

  14. Key Technology – Audio Codec 256kbps

  15. Key Technology – Audio Codec DWX Frequency response

  16. Key Technology – Audio Codec

  17. Key Technology – Audio Codec Impuls responce

  18. Key Technology – Audio Codec – Analog vs. Digital Analog System Hybrid System DWX System Generator Interval Setting 10 [msec]

  19. Key Technology – Audio Codec – Digital vs. Digital DWM-02,DWR-R02D YELLOW ： InputWaveform (SignalgeneratortoDWM-02) -40dBVunbalance 100Hz1cycle DWM-02,DWR-R02D YELLOW ： InputWaveform (SignalgeneratortoDWM-02) -40dBVunbalance 4000Hz1cycle DWM-02,DWR-R02D YELLOW ： InputWaveform (SignalgeneratortoDWM-02) -40dBVunbalance 8000Hz1cycle DWM-02,DWR-R02D YELLOW ： InputWaveform (SignalgeneratortoDWM-02) -40dBVunbalance 1000Hz1cycle U.S. digital System YELLOW ： InputWaveform 5cycle

  20. Key Technology – Audio Codec • Summery • Sony DWX-Series Audio Codec isoptimisedfor • bestaudioquality • stabletransmission • lowlatency • Best frequencyresponse (flat 10Hz -22kHz) • Best impulsresponce • Stablephase • ….like a cablemicrophone

  21. Key Technology – Cross Remote bidirectional UHF UHF Metadata bidirectional bidirectional interactive

  22. Key Technology – Cross Remote UHF 470 – 862MHz 2,4GHZ IEE 802.15.4

  23. Key Technology – Cross Remote DWR-S02D SlotIn Receiver UHF 470 – 862MHz 2,4GHZ IEE 802.15.4

  24. Key Technology – Cross Remote UHF & Metadata 2,4GHz

  25. Key Technology – Cross Remote

  26. Key Technology - Encryption Encryption enables secure audio transmission Metadata transmission TX transmits battery status, RF level information, and even the performer’s name to RX SONY PROFESSIONAL Password (Multiuser, 48 Bit) USB (Single, 56-Bit) On Air (56-Bit)

  27. Key Technology - Encryption • 3 Level dataseruretransmission • Digital data scheme is Sony original (Not opened) • The transmission packet format is Sony original (Not opened) • 56Bit encryption

  28. DWX-Series - Line Up • DWX-Series products: • 2 Receivers • 2 Handheld transmitters • 1 Pocket transmitter • 1 PlugOn transmitter • 1 Antenna distributer • 2 Antennas for UHF • 1 Remote antenna for RF-Remote (Cross Remote) • 1 Control software for WinXP / WIN7 • 2 Adapters for non Sony camcorder or mobile user SONY PROFESSIONAL

  29. Receiver DWR-S01D and 02D DWR-S02D is the only 2CH working receiver in Sony XDCAM (Models after 2008) DWA-F01D for every mixer bag DWA-01D for camera back mount DWA-F01D DWA-01D

  30. Examples of PDW-700 4 channel with DWA-01D 2-channel SlotIn 4-channel system 2-channel back mount SONY PROFESSIONAL

  31. Power off ( Blank ) (No indication channel and Icon) RF level : (Weak -> High) Muting or Error ( Gray out ) Battery alarm ( Blink ) AF PEAK INDICATION ( “P” mark ) “W” : Receiver : Connected Blank : Receiver disconnected / Turn off Receiving channel View Finder Display for PDW-700 Area for wireless microphone system status on VF display 1

  32. 16ch stacking with active antenna out DWX-Series – DWR-R02D Receiver SW power supply DC In

  33. DWX-Series - DWM-02 handheld microphone CU-F32 CU-F31 CU-C31

  34. DWX-Series - DWM-02 handheld microphone

  35. DWX-Series - DWT-B01/ PoketTransmitter • 125gr including battery • Mic/Line input • OLED display • 1/10/50mW switchable • 5,5 h AA Batteries (10mW) • 10,5 h AA rechargeableBatteries(10mW) • 1KHz Testone • LFC switchable (20-220Hz) • Cross Remote

  36. DWX-Series - DWT-P01 PlugOn Transmitter • 245gr incl. battery • Mic/Line input • OLED display • Cross Remote • 1/10/50mW switchable • 5,5 h (10mW) • 1KHz testone • LFC switchable • 48V phantom power • 10,5 h AA Rechareable Batteries (10mW)

  37. DWX-Series - WD-850A signal Splitter/Combiner Can handle up to 64-channel

  38. DWX-Series - AN-01 and RMU-01 AN-01 – 470-862MHz RMU-01 - Remote Unit For up to 82 transmitter

  39. DWX-Series - Wireless Studio 3 System managerfor all featuresof a system. Setup, controland manage fromyour Laptop. Noneedtotouchreceiverortransmitteranymore.

  40. DWX-Series – System Guide

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