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Telos Zephyr Xstream Two-Way Radio User Manual

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USER’S MANUAL

Section 11: THE WORKS – Detailed Menu Reference 210

ItwillbehelpfultounderstandthefollowingterminologywhendeterminingwhatReceivemode

shouldbeused:

64‐ThisisaZephyrXstreamTransmitmodethatrequiresonlyasingleBchanneltooperate.

Theactualbitrateofthatchannelcouldbeeither56or64kbps.ThecorrectReceivemodew

ill

alsohave"64"init(forexample"L264").

128‐ThisisamonoTrans m it modethatrequirestwoBchannels(i.e.calls)tooperate.The

actualbitrateofthosechannelscouldbeeither56kbps(foratotalof112kbps)or64kbps(for

atotalof128kbps

).ThecorrectReceivemodeforaTransmitmodewith"128"inthenamewill

justhavethenameofthealgorithm(forexample"L2").

Dual/Mono‐ThisissimplyaspecialcaseofMono64.IntheDualMonocasetheAaudioInput

sourceissentover"Line1"whileth

eBaudioInputsourceissentover"Line2".

J‐Stereo‐Thisis"JointStereo"andisthepreferredstereomodeinmostcases.Thebiggest

exceptioniswhenstereomaterialwilllaterbetransmittedoverasurroundsoundtransmission

system(i.e.forVideoorFi

lmproduction)inwhichcasetheStereomodeshouldbeused.All

stereomodesrequire2Bchannels(2calls)unlessotherwisestated.ThecorrectReceivemode

foraTransmitmodewith"J‐Stereo"inthenamewilljusthavethenameofthealgorithm(for

example"L2").

Stereo‐Thisis"DiscreteS

tereo".Themajoruseforthisiswhenstereomaterialwilllaterbe

transmittedoverasurroundsoundtransmissionsystem(i.e.forVideoorFilmproduction)in.All

stereomodesrequire2Bchannels(2calls)unlessotherwisestated.ThecorrectReceivemode

foraTransmitmodewith"St

ereo"inthenamewilljusthavethenameofthealgorithm(for

example"L2")unlessotherwisestated.

J‐Stereo64‐Thismode,uniquetoAAC,istheonlystereotransmissionmodethatdoesnot

require2Bchannels.

Half64‐ThisisaspecialLayer‐2modethatoperatesat24kHzsamplera

te.Theaudiowillbe

transmittedat24kHzsamplerateregardlessoftheactualsamplerateselectedintheCODEC

menu.

The Xstream's Receive modes are:

L3

ReceivesallLayer‐3modesexceptfortheL3Dual/Monomode(andL3mono

streamsat56or64kbpsfromothercod

ecs).

L3Dual/Mono

Canreceive1or2L3Monostreamsat56or64kbpsfromothercodecs.The

audiobitstreamconnectedto"Line1"willbeoutputonaudiochannelA,while

thestreamreceivedon"Line2"willbeoutputonaudiochannelB.

L2

ReceivesallLaye

r‐2modesexceptforL2mono64.

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