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orcasound / aifororcas-livesystem

Real-time AI-assisted killer whale notification system (model and moderator portal) :star:
http://orcahello.ai4orcas.net/
MIT License
37 stars 25 forks source link

Moderator candidates silent on iOS playback #79

Open scottveirs opened 2 years ago

scottveirs commented 2 years ago

[On my iPhone in Chrome (& Safari and Firefox) I can log into the moderator site, but playback on the default or detailed view of a candidate makes no sound. This makes it impossible to review candidates when I’m away from my laptop, other than visually inspecting the spectrograms.

However, the play button icon does toggle to pause, and the vertical white lines indicating predictions in the detail view are rendered. See screen shot:

562CE5B3-FE14-4E9F-85BC-C0FFA4298593

This is not expected behavior for WAV format playback on iOS, at least in Chrome — https://en.m.wikipedia.org/wiki/HTML5_audio#Supported_audio_coding_formats](https://en.m.wikipedia.org/wiki/HTML5_audio#Supported_audio_coding_formats)

scottveirs commented 2 years ago

During summer 2022 moderation efforts, I have found a work-around that may hint at the cause of this bug:

Upon a fresh load of the candidates view in the moderator UI at https://aifororcas.azurewebsites.net/, if I tap on the spectrogram rather than the play icon, the 60-sec clip plays from the time where I have tapped. After doing so -- on either the default or detailed view of the candidate -- then the play/pause button functions as expected for both that candidate and subsequent ones.