Journal of Remote Collaboration Science and Digital Meeting Harm
Clarke, T., Diallo, K., Ivanova, P.
Department of Remote Collaboration Science, Meridian Institute
Applied Digital Meeting Harm Research Unit, University of Dovehill
Received: 28 February 2025 · Accepted: 28 February 2025
This study quantifies the cognitive and organizational cost of unmuted participant audio in remote video conferencing environments. The Remote Meeting Audio Intrusion Scale (RMAIS) was administered to 301 remote workers across 1,247 documented meeting intrusion events. Unmuted ambient audio — keyboard sounds, background conversation, chewing, and atmospheric events including one dog-related incident — produced a mean 4.7-minute cognitive recovery time per event in non-speaking participants. At current organizational meeting rates, unmuted audio contributes an estimated 3.1 additional hours of cognitive depletion per worker per week. The mute button exists. It is one click. This study documents the cost of not pressing it.
Video conferencing technology has become the primary medium for organizational communication in remote and hybrid work environments (Bailenson, 2021). Unlike in-person meetings, where ambient sound is bounded by the physical meeting room, remote meetings aggregate the ambient environments of all participants into a shared audio channel, creating conditions in which one participant's unmuted background becomes a real-time broadcast to all attendees. Despite widespread awareness of this dynamic and the universal availability of the mute function, unmuted participant audio remains among the most commonly reported sources of meeting disruption in remote work surveys. The present study provides the first validated instrument for measuring the cognitive and organizational cost of unmuted audio events, treating the decision not to mute not as a technical oversight but as a behavioral choice with documented consequences for all co-attendees.
Participants.
Three hundred and one remote workers (M age = 33.4, SD = 6.7) participated in a four-week meeting observation study. Exclusion criteria included participants in meetings where unmuting was professionally required for active participation and participants who were the identified unmuted source (n = 42, studied separately in a parallel protocol titled 'Why'). IRB protocol RC-2024-0201 was approved.
Instruments.
The Remote Meeting Audio Intrusion Scale (RMAIS; 20 items, α = .91) measured cognitive attention disruption, recovery duration, intrusion source attribution, and what participants described as 'knowing who it was and having an opinion about them now.' Cognitive recovery was measured via response time assessment administered post-intrusion. A control group attended meetings with all non-speaking participants muted and reported focus conditions described as 'resembling in-person meetings but without the commute.'
Procedure.
RMAIS was administered following 1,247 meeting intrusion events across the study period.
Cognitive Recovery Time.
Mean cognitive recovery time following an unmuted audio intrusion was 4.7 minutes (SD = 1.9). Recovery time increased with intrusion duration, β = .48, p < .001, and was longest for intrusions described as 'someone eating something crunchy' (M = 6.3 minutes, SD = 2.1).
Intrusion Source Profile.
The most common unmuted audio sources were: keyboard typing not associated with meeting content (41.3%), background conversation involving third parties (27.8%), ambient environmental sounds (18.4%), eating (9.7%), and 'the dog' (2.8%, representing a single participant whose animal attended all meetings and was never introduced).
Weekly Cognitive Depletion.
At a mean of 3.4 intrusion events per meeting and an average of 4.2 meetings per week, unmuted audio events contribute an estimated 3.1 additional hours of cognitive recovery demand per worker per week.
The 4.7-minute recovery time per event — at 3.4 intrusions per meeting — means that the average remote meeting involves 15.98 minutes of distributed cognitive recovery cost from unmuted audio alone. This cost is borne entirely by other participants and is entirely preventable by a mechanism that requires one click and no effort.
The crunchy eating recovery time (6.3 minutes) deserves specific mention as the intrusion type producing the longest recovery period. The authors note that this finding has been made available to the public in this publication and that all parties may now govern themselves accordingly.
The dog (2.8%, n = 35 events across the 6-week study) was not muted at any point. RMAIS data for dog-related events were, uniquely, not consistent with negative affect — a finding the authors attribute to the dog and do not recommend as a general intervention.
Unmuted participant audio in remote meetings produces a mean 4.7-minute cognitive recovery time per event and contributes an estimated 3.1 additional depletion hours per worker per week across typical meeting loads. The mute button is available, free, and one click. The authors recommend its default activation for all non-speaking remote meeting participants and propose that the continued choice not to press it be recognized as a documented behavioral decision with documented organizational consequences that are not being experienced by the person making the decision.
Correspondence: clarke@meridian-institute.ac