Re: [xrblock] Adam Roach's No Objection on draft-ietf-xrblock-rtcweb-rtcp-xr-metrics-09: (with COMMENT)

Adam Roach <adam@nostrum.com> Tue, 22 May 2018 00:58 UTC

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From: Adam Roach <adam@nostrum.com>
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Subject: Re: [xrblock] Adam Roach's No Objection on draft-ietf-xrblock-rtcweb-rtcp-xr-metrics-09: (with COMMENT)
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On 5/21/18 7:55 PM, Adam Roach wrote:
> §5.3.1:
>
>>   application can use these metrics to calculate the Mean Opinion Score
>>   (MoS) values or Media Delivery Index (MDI) for their services.
> "...calculate Estimated Mean Opinion Score (eMOS) values..."
>
> (MOS scores necessarily require human subjective evaluation of audio under
> carefully controlled circumstances -- any computer-generated metrics are
> inherently estimations, and should not be called MOS scores.)

Sorry, that should have said "§5" rather than "§5.3.1."

/a