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InfluxDB
Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.
There is also this for mixing in PulseAudio only github.com/theRealCarneiro/pulsemeeter I have tried similar methods to route audio streams in PulseAudio (using null-sinks and loopback-sinks) and never been happy with results, too much latency
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