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Telos Zephyr Xstream Two-Way Radio User Manual

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USER’S MANUAL

Appendix 6 – Special Operational Modes 325

TheseworksimilarlytotheequivalentLayer‐3modes.

Offers20kHzaudiofrequencyresponsewhenthesamplerateis48kHzand15

kHzresponsewhenthesamplerateissetto32kHz.

L2Mono128

Thismodeisverycommonmodeusedinthevoice‐overindustry.Itworksinthe

samewayastheotherMo

no128modes.

Offers19kHzaudiofrequencyresponsewhenthesamplerateissetto48kHz

and15kHzresponsewhenthesampleratesetto32kHz.

Receive:

TheappropriateReceivemodewillbedeterminedbytheencodingorTransmitmodeusedat

thefarend.

The X

stream's Receive modes in V.35 Single mode are:

L3

ReceivesallLayer‐3modesavailableinV.35Singlemode.

L2

ReceivesallLayer‐2modesavailableinV.35Singlemode.

AAC‐LD

ReceivesallAAC‐LDmodesavailableinV.35Singlemode.

AAC

ReceivesallAACmodesavailableinV.35Singlemod

e.

BIT RATE

ThisdeterminesthebitrateoftheV.35portsaswellastheencoderanddecoder.InV.35Single

modethefollowingratesareavailable:96,112,128,256,384kbps.NotallBitRatesare

supportedinallalgorithms.

SAMPLE RATE

Thisdeterminesthesamplerateusedforthecode

coperation.Notallsampleratesare

supportedatallbitrates.Thefollowingtablesummarizestheallowablesamplerateandbit

ratecombinationssupportedinSingleV.35mode.

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