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4 Commits

Author SHA1 Message Date
hn8 dcfe7eaf4f Enhancement: audio speakers (#44) 
* refactor: active speakers

1. Observe the loudest adjusted with active ratio instead of linear average of decibel values
2. Follow RFC6465 to convert audio level from decibel to linear value.
3. Quantize audio level for stable slice comparison
4. Switch moving average algorithm from MMA to EMA to have the same center of mass with SMA
5. Minor: remove seenSids map allocation
6. Minor: minimize division arithmetic

* Update pkg/rtc/audiolevel.go

Co-authored-by: David Zhao <david@davidzhao.com>
 2021-07-09 09:46:24 -07:00
David Zhao 0900054c24 ability to disable auto subscribe per participant 2021-05-22 22:54:47 -07:00
David Zhao 95539a3cdd fix tests 2021-02-17 18:07:14 -08:00
David Zhao a96069969d support audio level extension & active speaker detection (#20) 
* send active speaker updates with audio level

* add test on loudness sorting

* use a float to represent audio level
 2021-02-14 14:30:23 -08:00