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Telos Zephyr Xstream Two-Way Radio User Manual

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USER’S MANUAL

Section 2: INTRODUCTION – Getting to Know the Zephyr Xstream 15

2 INTRODUCTION - Getting to Know the Zephyr Xstream

2.1 What is the Zephyr Xstream?

In1993,wehadadream.WeenvisionedawayforCD‐qualityaudiotobesentovercommon

digitalphonelines—theperfectmarriageofadvancedaudiocodinganddigitaltelephone

technologies.OurpursuitofthatdreamresultedintheTelosZephyr™,whichtransformed

broadcastingbymakingISDNaneasy‐to‐use,effectivetoolforse

ndingandreceivinghigh‐

qualityaudio.

Sinceitsintroduction,broadcastersandaudioprofessionalsworldwidehavemadeZephyrthe

mostsuccessfuldigitalbroadcastproductever.Itsnamehasbecomesynonymouswitheasy,

instantaneouspoint‐to‐pointaudiotransfer:“JustZephyrittome!”

ZephyrXstre

am™continuesthistraditionofexcellence.Itincludesallthetoolsandfeatures

Zephyrusershavecometorelyon—ISO/MPEGLayerIII,LayerIIandG.722coding,

straightforwardfront‐panelcontrols,full‐duplex,20kHzstereoaudio,analoganddigitalI/O

(modelXstream)—aswellasnewcapabilities.

In2002wea

ddedtotheversatilityoftheZephyrbyaddingtheZephyrXporttotheproductline.

Aportable,easy‐to‐use,monocodectheXportcanconnecttoPOTSlinesandcallyourISDN

Xstreamatthestation.AnISDNoptionpermitsconnectivitywithAACandG.722overISDN.

Asoftwareu

pgradein2006addsenhancementstoIPsuchasbi‐directionaldialingandAACwith

errorconcealment.Unitsmanufacturedsince3

rd

quarter2006alsohavehardwaresupportfor

Livewire™directinput/outputtoandfromAxiaaudionetworks.

Inshort,theZephyrXstreamisanadvanced,economical,flexible,andeasytouseaudiocodec.

Whilewehaveaddedanumberofadvancedfeatures,we’vealsomaintainedeaseofuse.Some

highlightsoftheZephyrXstreamfamilyare:

• MPE

G2AAC(AdvancedAudioCoding).Thisnewstandardforaudiocoding

combinesthetechniquesdevelopedbyresearchersallovertheworldintoa

singlealgorithm.

• UniqueDualReceivemodeinMPEGLayer‐3,allowsindependentaudio

streamsarrivingfromtwodistantcodecs.

• Uniq

uePOTStoISDNtechnologycommunicateswithacompanionXportin

thefieldusingaacPlus™fortheabsolutebestqualityattheverylowbitrates

required.

• AutoReceiv emodesearchesanddeterminesthecorrectdecodersettings

fortheincomingaudiostream.

• Advancedtechnology–lowerheatgenerationandimprovedreli

ability–

Unithasnocoolingfanforsilentoperationinyourstudio.

• V.35optionallowsconnectiontoserialsynchronousdataequipmentforuse

withservicessuchasdedicatedlines,Switched56,orSatelliteservices.

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