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I/O Channel Configurations

Speaker Order#

The 3DX input and output channels are assumed to be assigned to speakers in the following order.

NameSpeaker List
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MonoC
StereoLR
Binaural(HPL)LR
LRSLRB
LCRLCR
QuadLRLsRs
LRCSLRCB
PentagonalLCRLsRs
5.0chLRCLsRs
HexagonalLRSLSRLsRs
6.0ch(Music)LRLsRsSLSR
6.0chLRCLsRsB
5.1chLRCLFELsRs
7.0ch(SDDS)LRCLsRsLCRC
7.0chLRCSLSRLsRs
6.1ch(Music)LRLFELsRsSLSR
6.1chLRCLFELsRsB
8ch CubeBFLBFRBRLBRRTFLTFRTRLTRR
OctagonalLRCLsRsBSLSR
7.1ch(SDDS)LRCLFELsRsLCRC
7.1chLRCLFESLSRLsRs
7.0.2chLRCSLSRLsRsTSLTSR
5.0.4chLRCLsRsTFLTFRTBLTBR
Auro 5.1.4chLRCLFELsRsTFLTFRTBLTBR
7.1.2chLRCLFESLSRLsRsTSLTSR
5.0.5chLRCLsRsTFLTFRTBLTBRTop
5.1.4chLRCLFELsRsTFLTFRTBLTBR
Auro 5.1.5chLRCLFELsRsTFLTFRTBLTBRTop
7.0.4chLRCSLSRLsRsTFLTFRTBLTBR
5.1.5chLRCLFELsRsTFLTFRTBLTBRTop
Auro 7.1.4chLRCLFELsRsLsRsTFLTFRTBLTBR
Auro 5.1.6chLRCLFELsRsTFLTFRTBLTBRTopTFC
7.0.5chLRCSLSRLsRsTFLTFRTBLTBRTop
7.1.4chLRCLFESLSRLsRsTFLTFRTBLTBR
Auro 7.1.5chLRCLFELsRsLsRsTFLTFRTBLTBRTop
7.1.5chLRCLFESLSRLsRsTFLTFRTBLTBRTop
Auro 7.1.6chLRCLFELsRsLsRsTFLTFRTBLTBRTopTFC
22.2chLRCLFELsRsLCRCBLFESLSRTFLTFRTFCTopTBLTBRTSLTSRTBBFCBFLBFR

Ambisonic Format#

Today, it is recommended to use the unmarked ambisonic channel configs in most cases. You will rarely need to use the legacy format, FuMa.

Channel ConfigChannelsNormalizationChannel Order
1st Order Ambisonic4SN3DACN
2nd Order Ambisonic9SN3DACN
3rd Order Ambisonic16SN3DACN
1st Order Ambisonici(FuMa)4maxNFuMa
2nd Order Ambisonici(FuMa)9maxNFuMa
3rd Order Ambisonici(FuMa)16maxNFuMa