4 files changed, 4 insertions, 6 deletions
diff --git a/servers/audio/audio_filter_sw.cpp b/servers/audio/audio_filter_sw.cpp
index 392938a2be..ca033f6079 100644
--- a/servers/audio/audio_filter_sw.cpp
+++ b/servers/audio/audio_filter_sw.cpp
@@ -154,7 +154,6 @@ void AudioFilterSW::prepare_coefficients(Coeffs *p_coeffs) {
 			double tmpq = Math::sqrt(Q);
 			if (tmpq <= 0)
 				tmpq = 0.001;
-			alpha = sin_v / (2 * tmpq);
 			double beta = Math::sqrt(tmpgain) / tmpq;
 
 			a0 = (tmpgain + 1.0) + (tmpgain - 1.0) * cos_v + beta * sin_v;
@@ -169,7 +168,6 @@ void AudioFilterSW::prepare_coefficients(Coeffs *p_coeffs) {
 			double tmpq = Math::sqrt(Q);
 			if (tmpq <= 0)
 				tmpq = 0.001;
-			alpha = sin_v / (2 * tmpq);
 			double beta = Math::sqrt(tmpgain) / tmpq;
 
 			a0 = (tmpgain + 1.0) - (tmpgain - 1.0) * cos_v + beta * sin_v;
diff --git a/servers/audio/audio_stream.cpp b/servers/audio/audio_stream.cpp
index 1a6430c499..388346b67c 100644
--- a/servers/audio/audio_stream.cpp
+++ b/servers/audio/audio_stream.cpp
@@ -223,7 +223,7 @@ float AudioStreamPlaybackMicrophone::get_playback_position() const {
 }
 
 void AudioStreamPlaybackMicrophone::seek(float p_time) {
-	return; // Can't seek a microphone input
+	// Can't seek a microphone input
 }
 
 AudioStreamPlaybackMicrophone::~AudioStreamPlaybackMicrophone() {
diff --git a/servers/audio/audio_stream.h b/servers/audio/audio_stream.h
index 8f023c0401..ef9f8ea92a 100644
--- a/servers/audio/audio_stream.h
+++ b/servers/audio/audio_stream.h
@@ -119,7 +119,7 @@ public:
 
 class AudioStreamPlaybackMicrophone : public AudioStreamPlaybackResampled {
 
-	GDCLASS(AudioStreamPlaybackMicrophone, AudioStreamPlayback);
+	GDCLASS(AudioStreamPlaybackMicrophone, AudioStreamPlaybackResampled);
 	friend class AudioStreamMicrophone;
 
 	bool active;
diff --git a/servers/audio/effects/audio_effect_spectrum_analyzer.cpp b/servers/audio/effects/audio_effect_spectrum_analyzer.cpp
index 305f9046c3..bb1daf04a4 100644
--- a/servers/audio/effects/audio_effect_spectrum_analyzer.cpp
+++ b/servers/audio/effects/audio_effect_spectrum_analyzer.cpp
@@ -231,8 +231,8 @@ Ref<AudioEffectInstance> AudioEffectSpectrumAnalyzer::instance() {
 	return ins;
 }
 
-void AudioEffectSpectrumAnalyzer::set_buffer_length(float p_volume) {
-	buffer_length = p_volume;
+void AudioEffectSpectrumAnalyzer::set_buffer_length(float p_seconds) {
+	buffer_length = p_seconds;
 }
 
 float AudioEffectSpectrumAnalyzer::get_buffer_length() const {