Windows Volume Analyzer

@eisland/windows-volume-analyzer · v26.0.1

Process-specific audio analysis: frequency spectrum, amplitude, and beat detection via WASAPI loopback.

Interfaces

Interface	Description
FrequencyPeak	Single frequency peak with Hz and magnitude
FrequencyData	Frequency spectrum and dominant frequency
AmplitudeData	RMS and peak amplitude values
BeatData	Beat detection with BPM and intensity
AudioAnalysisResult	Complete analysis result (frequency + amplitude + beat)
AnalyzerStatus	Analyzer running state and error info
CommandResult	Command success/failure result
AudioProcessInfo	Process with audio session info

Functions

Function	Description
start	Start audio analysis for a process
startEx	Start analysis with explicit process tree option
stop	Stop audio analysis
getResult	Get the latest analysis snapshot
getStatus	Get analyzer running state
startPolling	Start periodic result delivery via callback
stopPolling	Stop periodic polling
getPlayingProcesses	List processes with active audio sessions