fix scaling low freq

noriah · noriah · commit 931111ec5da6 · 2022-03-18T21:20:12.000-07:00
diff --git a/dsp/analyzer.go b/dsp/analyzer.go
@@ -103,7 +103,7 @@ func (az *analyzer) ProcessBin(ch, idx int, src []complex128) float64 {
 	}
 
 	if f := az.freqToIdx(400.0, math.Floor); fftFloor < f {
-		mag *= 0.10
+		mag *= (0.55 * (float64(fftFloor) / float64(f)))
 	}
 
 	// time smoothing

Original file line number	Diff line number	Diff line change
`@@ -103,7 +103,7 @@ func (az *analyzer) ProcessBin(ch, idx int, src []complex128) float64 {`
`103`	`103`	`}`
`104`	`104`
`105`	`105`	`if f := az.freqToIdx(400.0, math.Floor); fftFloor < f {`
`106`		`- mag *= 0.10`
	`106`	`+ mag = (0.55 (float64(fftFloor) / float64(f)))`
`107`	`107`	`}`
`108`	`108`
`109`	`109`	`// time smoothing`