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Minutes interim-2023-cellar-07: Tue 19:00

Meeting Minutes Codec Encoding for LossLess Archiving and Realtime transmission (cellar) WG
Date and time 2023-08-22 19:00
Title Minutes interim-2023-cellar-07: Tue 19:00
State Active
Other versions markdown
Last updated 2023-09-05


CELLAR -- DRAFT AGENDA for Virtual Interim Meeting

| Date | Time | Local Times |
| :-: :-: :-
| 2023-08-22 21:00 Amsterdam | Time Converter | |
| Note | Meeting time is anchored to Amsterdam | |


**Note that we're now pointing to the Github repo for chair notes here**



note that chat is now Zulip:
but is accessible via meetecho interface.

Shared HedgeDoc for notetaking

Now using the Datatracker assigned notepad at:
  • Note that if you log in to the IETF datatracker, you'll be able to
    edit/clarify/correct these notes, add your name to attendee lists,

  • Please ask Michael or Spencer if you have questions.

2023 virtual interim meeting dates

Agenda Items

Note Well:
Please be KIND to each other.

Roll call


  • Spencer Dawkins
  • Michael Richardson
  • Martijn van Beurden
  • Steve Lhomme
  • Michael Neidermeier

Accept draft minutes from 2023-06-27

  • no objections. Minutes passed.

WG status update

| Draft | State | Date Posted | Plans |
| :- :- :- :-
| draft-ietf-cellar-chapter-codecs-03 | ID Exists | 2023-07-02 | |
| draft-ietf-cellar-codec-11 | ID Exists | 2023-07-02 | |
| draft-ietf-cellar-control-03 | ID Exists | 2023-07-02 | |
| draft-ietf-cellar-ffv1-v4-21 | ID Exists | 2023-06-13 | |
| draft-ietf-cellar-flac-10 | AD Evaluation::Revised I-D needed | 2023-08-04 | |
| draft-ietf-cellar-matroska-19 | thru IESG evaluation | 2023-08-12 | Last Call ended 2023-02-28 |
| draft-ietf-cellar-tags-10 | ID-Exists | 2023-07-02 | |

Milestone review:

  • was: IESG Balloting underway, waiting for DISCUSS to clear
  • was: AD Evaluation done, revisition needed

Matroska issues - Discussion of Last Call comments on the call.

  • John Scudder DISCUSS still marked open
  • John pointed out that we have nine errata in Reported status on a
    Normative reference. We think all of them are legit (they came
    through the working group itself). We need Murray to mark them as
    Verified in the Errata system.
  • John asked a question on Matroska tags being normative - it's
    correct that the Matroska specification is normative for the
    Matroska tags specification, but not vice versa. One could use
    Matroska chapters for some use cases without using Matroska tags at
    all. Most media players don't support Matroska tags, and they don't
    need to - tags are of most interest to archivists, not to Matroska
    player implementers

FLAC issues - Discussion on the call

  • Discussion of issues raised by AD
  • Martijn will remove the mention of RFC 6838 from the next version of
    the draft.
  • Martijn will move the reference to RFC 7942 to the Normative
    references section, and will add the "Note to RFC Editor - please
    remove this entire section before publication, as well as the
    reference to RFC 7942" text to the implementation section.
  • The IEC document is not necessary to read before implementing FLAC
  • These issues will be resolved in the next version of the draft,
    version -11
  • Spencer will read through -11 one more time, and then tell Murray
    it's ready for IETF Last Call


  • we will not ask for an agenda slot at IETF 118, but we note that
    NTTW will be occuring nearby the same week, so anything we do at
    IETF 118 can be an informal side meeting that happens at NTTW

    • this may give us more cross-fertilization between the CELLAR
      community and the IETF community than a formal IETF meeting
      slot, since NTTW attendees would be required to pay for IETF
      registration in order to attend a formal IETF meeting slot
    • we will update the IETF 118 side meeting wiki with the
      information about NTTW
    • we could also announce NTTW as a HotRFC talk on Sunday night of
      the IETF 118 meeting week - we can decide that at almost the
      last minute
  • finished at 21:45 Amsterdam time

Next meeting is 2023-09-26.

Previous Minutes - CELLAR -- DRAFT MINUTES from Virtual Interim Meeting