diff --git a/src/Audio/Playback.cpp b/src/Audio/Playback.cpp
index 526439e..865329b 100644
--- a/src/Audio/Playback.cpp
+++ b/src/Audio/Playback.cpp
@@ -20,7 +20,7 @@ void PlaybackImpl::begin(I2S* i2s)
 	out->SetPinout(16, 27, 4);
 	out->SetChannels(1);
 	out->SetOutputModeMono(1);
-	out->SetGain(volume);
+	out->SetGain(0.4);
 }
 void PlaybackImpl::loop(uint _time)
 {
@@ -63,10 +63,7 @@ void PlaybackImpl::playMP3(AudioFileSource* _file)
 	i2s->begin();
 	delay(50);
 	file = _file;
-	if(!mp3->begin(file, out))
-	{
-		return;
-	}
+	mp3->begin(file, out);
 }
 void PlaybackImpl::playMP3(const char* path)
 {
@@ -108,12 +105,7 @@ void PlaybackImpl::setPlaybackDoneCallback(void (*callback)())
 	if(callback == nullptr || !isRunning()) return;
 	playbackDoneCallback = callback;
 }
-void PlaybackImpl::setVolume(float vol)
+void PlaybackImpl::setVolume(float volume)
 {
-	volume = vol;
 	out->SetGain(volume);
-}
-float PlaybackImpl::getVolume()
-{
-	return volume;
 }
\ No newline at end of file
diff --git a/src/Audio/Playback.h b/src/Audio/Playback.h
index f59beea..d7abba4 100644
--- a/src/Audio/Playback.h
+++ b/src/Audio/Playback.h
@@ -52,11 +52,6 @@ class PlaybackImpl : public LoopListener
 	 * @param vol Volume, float from 0.0 to 4.0;
 	 */
 	void setVolume(float vol);
-	/**
-	 * Gets playback volume.
-	 * @return Volume, float from 0.0 to 4.0;
-	 */
-	float getVolume();
 	void loop(uint _time) override;
 	bool isRunning();
 
@@ -67,7 +62,6 @@ class PlaybackImpl : public LoopListener
 	AudioOutputI2S *out;
 	AudioFileSource *file;
 	void(*playbackDoneCallback)();
-	float volume = 0.4;
 
 };
 
diff --git a/src/Audio/silence.hpp b/src/Audio/silence.hpp
index d482281..3f38ad6 100644
--- a/src/Audio/silence.hpp
+++ b/src/Audio/silence.hpp
@@ -58,4 +58,3 @@ unsigned char silence[] = PROGMEM {
   0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55,
   0x55, 0x55, 0x55, 0x55, 0x55, 0x55
 };
-unsigned int _home_cm_Downloads_silence_mp3_len = 690;
diff --git a/src/Speech/SpeechToIntent.cpp b/src/Speech/SpeechToIntent.cpp
index 6fc39e4..0ac1a10 100644
--- a/src/Speech/SpeechToIntent.cpp
+++ b/src/Speech/SpeechToIntent.cpp
@@ -122,7 +122,7 @@ IntentResult* SpeechToIntentImpl::identifyVoice(const char* filename){
 	const char* transcript = json["text"].as<const char*>();
 	uint32_t transcriptLength = strlen(transcript);
 	result->transcript = static_cast<char*>(malloc(transcriptLength + 1));
-	memset(result->transcript, 0, transcriptLength+1);
+	memset(result->transcript + transcriptLength, 0, 1);
 	memcpy(result->transcript, transcript, transcriptLength);
 
 	const char* intent;
@@ -137,7 +137,7 @@ IntentResult* SpeechToIntentImpl::identifyVoice(const char* filename){
 
 	uint32_t intentLength = strlen(intent);
 	result->intent = static_cast<char*>(malloc(intentLength + 1));
-	memset(result->intent, 0, intentLength+1);
+	memset(result->intent + intentLength, 0, 1);
 	memcpy(result->intent, intent, intentLength);
 
 	if(!json.containsKey("entities")) return result;