Subject: [payload] [Errata Verified] RFC8331 (5310)

From: RFC Errata System <[email-masked]>
Date: Thu, 29 Mar 2018 14:55:15 -0700 (PDT)

The following errata report has been verified for RFC8331,
"RTP Payload for Society of Motion Picture and Television Engineers (SMPTE) ST 291-1 Ancillary Data". 

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You may review the report below and at:
http://www.rfc-editor.org/errata/eid5310

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Status: Verified
Type: Editorial

Reported by: Anthony Malizia <[email-masked]>
Date Reported: 2018-03-28
Verified by: Ben Campbell (IESG)

Section: 2, Figure 1

Original Text
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Data_Count=0x84

Data_Count-0x105

Corrected Text
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Data_Count=0x104

Data_Count-0x205

Notes
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In the example described in section 2, the first ANC packet is said to have 4 User_Data_Words, and the second packet is said to have 5 User_Data_Words.  The values in Figure 1 for the Data_Count fields do not have the correct parity bits according to the definition of Data_Count described in section 2.1.

4 = 0b0000'0100, with parity bits 0b01'0000'0100 = 0x104

5 = 0b0000'0101, with parity bits 0b10'0000'0101 = 0x205

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RFC8331 (draft-ietf-payload-rtp-ancillary-14)
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Title               : RTP Payload for Society of Motion Picture and Television Engineers (SMPTE) ST 291-1 Ancillary Data
Publication Date    : February 2018
Author(s)           : T. Edwards
Category            : PROPOSED STANDARD
Source              : Audio/Video Transport Payloads
Area                : Applications and Real-Time
Stream              : IETF
Verifying Party     : IESG