AnalyserNode should downmix input audio to mono: - https://www.w3.org/TR/webaudio/#current-time-domain-data
Created attachment 409216 [details] Patch
Created attachment 409217 [details] Patch
Committed r267346: <https://trac.webkit.org/changeset/267346> All reviewed patches have been landed. Closing bug and clearing flags on attachment 409217 [details].
<rdar://problem/69319276>