Re: [Tools-discuss] [Manycouches] Proposal to discontinue live mp3 audio streams at IETF meetings

Alexandre Petrescu <> Tue, 06 October 2020 10:05 UTC

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To: "Maisonneuve, Julien (Nokia - FR/Paris-Saclay)" <>, Tom Pusateri <>
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From: Alexandre Petrescu <>
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Date: Tue, 6 Oct 2020 12:05:53 +0200
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Subject: Re: [Tools-discuss] [Manycouches] Proposal to discontinue live mp3 audio streams at IETF meetings
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Le 05/10/2020 à 18:19, Maisonneuve, Julien (Nokia - FR/Paris-Saclay) a 
écrit :
> We shouldn't focus too hard on the implementation of the audio feeds, it's a technical problem that can be solved.
> The hard part is how this is exposed to users, and what tools are available along with the necessary configuration (hopefully small or nonexistent).
> Ideally clicking on a link in the meeting webpages should enable listening to the audio feed with no prerequisite at all, regardless of your device's platform. If this is not possible there should be an easy walkthrough of what needs to be done depending on the platform.
> Adding Opus to the conversation could be nice, but may contradict the "ideal" scenario above (e.g. do ALL browsers support Opus ?).

The question of browser support, and its details, is relevant.  For 
example, meetecho is best supported by Chrome and less by Firefox (lacks 
device switching).  That might prevent some people from using meetecho 
instead of installing Chrome.  Which translates directly into preventing 
them from participating to IETF.

For opus - firefox does support opus, it seems.

Mp3 might be a format that, despite its longevity, might not be 
supported by some browsers because of the licensing scheme.

Other than browsers, there also the players: there are many players of 
live streams out there, which are not web browsers.  Many of these 
players dont support mp3.


> Best regards,
> Julien.
> -----Original Message-----
> From: Manycouches <> On Behalf Of Tom Pusateri
> Sent: Monday, October 5, 2020 5:57 PM
> To: Alexandre Petrescu <>
> Cc:;
> Subject: Re: [Manycouches] [Tools-discuss] Proposal to discontinue live mp3 audio streams at IETF meetings
>> On Oct 5, 2020, at 2:35 AM, Alexandre Petrescu <> wrote:
>> It would be advantageous to continue the streaming of audio, for a
>> registration-less observer read-only kind of participation.
>> Maybe a thing to improve is the format of the data.  A better
>> performing format than mp3, why not an IETF recent technology (ogg?),
>> with a better support from free software tools that are widely available, could be good.
>> Alex
> Do you maybe mean Opus (RFC 6716)?
> I like it when the IETF uses open technologies like this and it seems most operating systems support it now.
> Opus also supports multi-channel audio which would be great for multiple microphones.
> I would support using Opus over MP3 but that is not the main obstacle. We need a way to map live streams to sessions in the API to restore widespread access to the streams.
> Thanks,
> Tom
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