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2.2.1.14.1 Child Elements

The following table lists the child elements of the Payload.Audio element.

Element

Type

Available

Description

Units

PayloadType<101>

xs:int

Yes

Payload number used for the codec, as specified in [MS-RTP] section 2.2.1.

Integer

PayloadDescription

xs:string [256]

Yes

Codec name, as specified in [MS-SDPEXT] section 3.1.5.3 or [RFC3551] section 6.

Not applicable

SampleRate

xs:int

Yes

Audio sample rate.

Samples per second

FrameDuration

xs:int

No

Not used.

FrameOctets

xs:int

No

Not used.

FramesPerSecond

xs:int

No

Not used.

PacketsPerSecond

xs:int

No

Not used.

FMTP

xs:string

No

Not used.

Signal

SignalType

Yes

Metrics regarding signal level and noise.

Not applicable

JitterBuffer

JitterBufferType

No

Not used.

 

SilenceSupress

SilenceSuppressionStateType

No

Not used.

 

v2:AudioFECUsed<102>

xs:boolean

Yes

"True" means that audio forward error correction (FEC) was used at some point during the call. "False" means that no audio FEC was used during the call.

Not applicable

v2:OpaqueAudioData<103>

v2:OpaqueAudioDataType

No

Not used.

v3:AudioPostFECPLR<104>

xs:float

No

Reports packet loss rate after FEC has been applied for audio. Value between 0.00 and 1.00.

Percentage

v2:Separator<105>

default

No

Separator element used for future schema extensions.

Not applicable

v3:DecodeStereoPercent <106>

xs:float

Yes

Percentage of audio decoded as stereo.

Percentage

v3:AecRenderStereoPercent<107>

xs:float

Yes

Percentage of call processed by AEC as stereo render.

Percentage

v3:EncodeStereoPercent <108>

xs:float

Yes

Percentage of audio encoded as stereo.

Percentage

v3:AecCaptureStereoPercent <109>

xs:float

Yes

Percentage of call processed by AEC as stereo capture.

Percentage

v3:Separator3<110>

default

No

Separator element used for future schema extensions.

Not applicable

v4:JitterBufferSizeAvg<111>

xs:int

Yes

Average size of jitter buffer during session.

milliseconds

v4:JitterBufferSizeMax<112>

xs:int

Yes

Maximum size of jitter buffer during session.

Milliseconds

v4:JitterBufferSizeMin<113>

xs:int

Yes

Minimum size of jitter buffer during session.

Milliseconds

v4:JitterBufferSizeSD<114>

xs:int

Yes

Standard deviation of jitter buffer size during session.

milliseconds

v4:NetworkJitterAvg<115>

xs:float

Yes

Average of network jitter computed over 20 second windows during the session.

milliseconds

v4:NetworkJitterMax<116>

xs:float

Yes

Maximum of network jitter computed over 20 second windows during the session.

milliseconds

v4:NetworkJitterMin<117>

xs:float

Yes

Minimum of network jitter computed over 20 second window during the session.

milliseconds

v4:NetworkJitterSD<118>

xs:float

Yes

Standard deviation of network jitter computed over 20 second window during the session.

milliseconds

v4:PacketReorderRatio<119>

xs:float

Yes

Ratio of packets received that were out of sequence during the session.

Fraction

v4:PacketReorderDepthAvg<120>

xs:int

Yes

Average of the number of packets between the when the current packet and the out-of sequence packet was received.

packets

v4:PacketReorderDepthMax<121>

xs:int

Yes

Maximum of the number of packets between the when the current packet and the out-of sequence packet was received.

packets

v4:BurstLossLength1<122>

xs:float

Yes

Ratio of lost single lost packet over the total number packets for the session.

Fraction

v4:BurstLossLength2<123>

xs:float

Yes

Ratio of 2 consecutive lost packets over the total number packets for the session.

Fraction

v4:BurstLossLength3<124>

xs:float

Yes

Ratio of 3 consecutive lost packets over the total number packets for the session.

Fraction

v4:BurstLossLength4<125>

xs:float

Yes

Ratio of 4 consecutive lost packets over the total number packets for the session.

Fraction

v4:BurstLossLength5<126>

xs:float

Yes

Ratio of 5 consecutive lost packets over the total number packets for the session.

Fraction

v4:BurstLossLength6<127>

xs:float

Yes

Ratio of 6 consecutive lost packets over the total number packets for the session.

Fraction

v4:BurstLossLength7<128>

xs:float

Yes

Ratio of 7 consecutive lost packets over the total number packets for the session.

Fraction

v4:BurstLossLength8OrHigher<129>

xs:float

Yes

Ratio of 8 or more consecutive lost packets over the total number packets for the session.

Fraction

v4:FECRecvOnPercent<130>

xs:float

Yes

Percentage of session where FEC was enabled for packets received.

Percentage

v4:FECRecvDistance1<131>

xs:float

Yes

Percentage of session where packets with FEC distance of 1 was received.

Percentage

v4:FECRecvDistance2<132>

xs:float

Yes

Percentage of session where packets with FEC distance of 2 was received.

Percentage

v4:FECRecvDistance3<133>

xs:float

Yes

Percentage of session where packets with FEC distance of 3 was received.

Percentage

v4:FECRecvDistance4<134>

xs:float

Yes

Percentage of session where packets with FEC distance of 4 was received.

Percentage

v4:FECRecvDistance5<135>

xs:float

Yes

Percentage of session where packets with FEC distance of 5 was received.

Percentage

v4:FECRecvDistance6<136>

xs:float

Yes

Percentage of session where packets with FEC distance of 6 was received.

Percentage

v4:FECRecvDistance7<137>

xs:float

Yes

Percentage of session where packets with FEC distance of 7 was received.

Percentage

v4:FECRecvDistance8OrHigher<138>

xs:float

Yes

Percentage of session where packets with FEC distance of 8 or larger was received.

Percentage

v4:FECRecvScheme<139>

xs:float

Yes

Track which FEC scheme is being used during session.

0 – codec level FEC (in-band)

1 –external FEC (RFC 2198)

v4:FECRecvRedundancy<140>

xs:float

Yes

Average FEC redundancy for packets received.

float

v4:HealerPushCount<141>

xs:int

Yes

Number of packets pushed into the audio healer/jitter buffer from network.

packets

v4:HealerPullCount<142>

xs:int

Yes

Number of packets pulled from the audio healer/jitter buffer to be rendered or mixed.

packets

v4:SendMutePercent<143>

xs:float

Yes

Percentage of session duration where the client was muted.

percentage

v4:CaptureOffloadedEffectsAudio<144>

xs:int

Yes

Bitmask representing which audio capture DSP effects were used in hardware.

TBD

v4:RenderOffloadedEffectsAudio<145>

xs:int

Yes

Bitmask representing which audio render DSP effects were used in hardware.

TBD

v4:Separator4<146>

default

Yes

Separator used for future schema extensions.

Not applicable