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Fix audio distortion and improve noise suppression.

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- Add saturation protection to prevent crackling at high volume boost levels
- Implement keyboard click detection using energy spike analysis
- Reduce aggressive noise suppression parameters to prevent audio artifacts
- Apply stronger suppression specifically for detected keyboard clicks while preserving voice quality

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>
This commit is contained in:
Storm Dragon
2025-08-20 03:50:14 -04:00
parent df7159bad1
commit b966106727
2 changed files with 78 additions and 29 deletions
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33
gumble/gumbleopenal/stream.go
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@@ -226,28 +226,49 @@ func (s *Stream) OnAudioStream(e *gumble.AudioStreamEvent) {
if isStereo {
// Process stereo samples as pairs
for i := 0; i < samples*2; i += 2 {
// Process left channel
// Process left channel with saturation protection
sample := packet.AudioBuffer[i]
if boost > 1 {
sample = int16((int32(sample) * int32(boost)))
boosted := int32(sample) * int32(boost)
if boosted > 32767 {
sample = 32767
} else if boosted < -32767 {
sample = -32767
} else {
sample = int16(boosted)
}
}
binary.LittleEndian.PutUint16(raw[rawPtr:], uint16(sample))
rawPtr += 2
// Process right channel
// Process right channel with saturation protection
sample = packet.AudioBuffer[i+1]
if boost > 1 {
sample = int16((int32(sample) * int32(boost)))
boosted := int32(sample) * int32(boost)
if boosted > 32767 {
sample = 32767
} else if boosted < -32767 {
sample = -32767
} else {
sample = int16(boosted)
}
}
binary.LittleEndian.PutUint16(raw[rawPtr:], uint16(sample))
rawPtr += 2
}
} else {
// Process mono samples
// Process mono samples with saturation protection
for i := 0; i < samples; i++ {
sample := packet.AudioBuffer[i]
if boost > 1 {
sample = int16((int32(sample) * int32(boost)))
boosted := int32(sample) * int32(boost)
if boosted > 32767 {
sample = 32767
} else if boosted < -32767 {
sample = -32767
} else {
sample = int16(boosted)
}
}
binary.LittleEndian.PutUint16(raw[rawPtr:], uint16(sample))
rawPtr += 2