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trying to fix the crackling sound issue

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This commit is contained in:
minjaesong
2023-11-25 20:42:08 +09:00
parent 451ffe0307
commit 51d1501267
2 changed files with 13 additions and 10 deletions
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4
src/net/torvald/terrarum/audio/AudioMixer.kt
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@@ -105,7 +105,7 @@ object AudioMixer: Disposable {
// musicTrack.filters[0] = BinoPan((Math.random() * 2.0 - 1.0).toFloat())
// musicTrack.filters[1] = Reverb(36f, 0.92f, 1200f)
masterTrack.filters[0] = SoftClp
// masterTrack.filters[0] = SoftClp
masterTrack.filters[1] = Buffer
masterTrack.filters[2] = Scope()
@@ -113,7 +113,7 @@ object AudioMixer: Disposable {
fadeBus.addSidechainInput(ambientTrack, 1.0)
fadeBus.addSidechainInput(sfxMixTrack, 1.0)
fadeBus.filters[0] = Lowpass(SAMPLING_RATE / 2f)
fadeBus.filters[1] = Convolv(ModMgr.getFile("basegame", "audio/convolution/EchoThief - TransitCenter.bin"))
fadeBus.filters[1] = Convolv(ModMgr.getFile("basegame", "audio/convolution/WoodruffLane.bin"))
masterTrack.addSidechainInput(fadeBus, 1.0)
masterTrack.addSidechainInput(guiTrack, 1.0)

19
src/net/torvald/terrarum/audio/TerrarumAudioFilter.kt
View File

@@ -61,8 +61,8 @@ object SoftClp : TerrarumAudioFilter() {
}
class Scope : TerrarumAudioFilter() {
val backbufL = Array(BUFFER_SIZE / 16) { FloatArray(BUFFER_SIZE / 4) }
val backbufR = Array(BUFFER_SIZE / 16) { FloatArray(BUFFER_SIZE / 4) }
val backbufL = Array((4096f / BUFFER_SIZE * 4).roundToInt()) { FloatArray(BUFFER_SIZE / 4) }
val backbufR = Array((4096f / BUFFER_SIZE * 4).roundToInt()) { FloatArray(BUFFER_SIZE / 4) }
private val sqrt2p = 0.7071067811865475
@@ -355,7 +355,7 @@ class Convolv(ir: File, val gain: Float = decibelsToFullscale(-12.0).toFloat()):
val t1 = System.nanoTime()
for (ch in outbuf1.indices) {
push(inbuf1[ch].toDoubleArray(), inbuf[ch])
push(inbuf1[ch].toDoubleArray(gain), inbuf[ch])
val inputFFT = FastFourier(inbuf[ch]).let { it.transform(); it.getComplex(false) }
@@ -366,7 +366,10 @@ class Convolv(ir: File, val gain: Float = decibelsToFullscale(-12.0).toFloat()):
val Y = multiply(inputFFT, convFFT[ch])
val y = real(ifft(Y))
val u = y.sliceArray(Ny - BLOCKSIZE until Ny).toFloatArray(gain)
// val u = y.sliceArray(Ny - BLOCKSIZE until Ny).toFloatArray(gain) // y size == Ny
val u = y.takeLast(BLOCKSIZE).map { it.toFloat() }.toFloatArray()
// println("y size: ${y.size}; Ny=$Ny")
System.arraycopy(u, 0, outbuf1[ch], 0, BLOCKSIZE)
}
@@ -374,10 +377,10 @@ class Convolv(ir: File, val gain: Float = decibelsToFullscale(-12.0).toFloat()):
val ptime = (t2 - t1).toDouble()
val realtime = BLOCKSIZE / SAMPLING_RATED * 1000000000L
if (realtime >= ptime) {
println("Processing speed: ${realtime / ptime}x FASTER than realtime")
// println("Processing speed: ${realtime / ptime}x FASTER than realtime")
}
else {
println("Processing speed: ${ptime / realtime}x SLOWER than realtime")
// println("Processing speed: ${ptime / realtime}x SLOWER than realtime")
}
}
@@ -412,10 +415,10 @@ class Convolv(ir: File, val gain: Float = decibelsToFullscale(-12.0).toFloat()):
private fun push(samples: DoubleArray, buf: DoubleArray) {
System.arraycopy(buf, samples.size, buf, 0, buf.size - samples.size)
System.arraycopy(samples, 0, buf, buf.size - samples.size - 1, samples.size)
System.arraycopy(samples, 0, buf, buf.size - samples.size, samples.size)
}
private fun FloatArray.toDoubleArray() = this.map { it.toDouble() }.toDoubleArray()
private fun FloatArray.toDoubleArray(gain: Float = 1f) = this.map { it.toDouble() * gain }.toDoubleArray()
private fun DoubleArray.toFloatArray(gain: Float = 1f) = this.map { it.toFloat() * gain }.toFloatArray()
}