diff --git a/framework/content/reader.cpp b/framework/content/reader.cpp
index 36cbc50..cdb5d3d 100644
--- a/framework/content/reader.cpp
+++ b/framework/content/reader.cpp
@@ -124,7 +124,7 @@ namespace xna {
 		if (_byte == 'w')
 			num1 = binaryReader.ReadUInt16();
 		else
-			return nullptr;
+			throw std::runtime_error("ContentReader::PrepareStream: Bad xbn file.");
 
 		graphicsProfile = (num1 & XnbVersionProfileMask) >> XnbVersionProfileShift;
 		bool flag = false;
diff --git a/framework/platform-dx/init.cpp b/framework/platform-dx/init.cpp
index 3d65c9d..dd43441 100644
--- a/framework/platform-dx/init.cpp
+++ b/framework/platform-dx/init.cpp
@@ -48,7 +48,7 @@ namespace xna {
 		insertRegisteredReader<Vector3Reader>("Vector3Reader");
 		insertRegisteredReader<Vector4Reader>("Vector4Reader");
 		insertRegisteredReader<Texture2DReader>("Texture2DReader");
-		insertRegisteredReader<SoundEffect>("SoundEffectReader");
+		insertRegisteredReader<SoundEffectReader>("SoundEffectReader");
 	}
 
 	void PlatformInit::InitActivadors()
@@ -76,6 +76,6 @@ namespace xna {
 		insertActivadorReader<Vector3Reader>();
 		insertActivadorReader<Vector4Reader>();
 		insertActivadorReader<Texture2DReader>();
-		insertActivadorReader<SoundEffect>();
+		insertActivadorReader<SoundEffectReader>();
 	}
 }
\ No newline at end of file
diff --git a/framework/platform-dx/soundeffect.cpp b/framework/platform-dx/soundeffect.cpp
index 2a1439b..6ddb870 100644
--- a/framework/platform-dx/soundeffect.cpp
+++ b/framework/platform-dx/soundeffect.cpp
@@ -1,16 +1,18 @@
 #include "platform-dx/implementations.hpp"
+#include "csharp/stream.hpp"
 
 using DxSoundEffect = DirectX::SoundEffect;
 
 namespace xna {
 	SoundEffectInstance::SoundEffectInstance() {
-		impl = unew<PlatformImplementation>();		
+		impl = unew<PlatformImplementation>();
 	}
 
 	SoundEffectInstance::~SoundEffectInstance() {
 		impl = nullptr;
 	}
 
+	//Remover posteriormente
 	SoundEffect::SoundEffect() {
 	}
 
@@ -23,36 +25,64 @@ namespace xna {
 	}
 
 	SoundEffect::SoundEffect(
-		std::vector<Byte> format,
-		std::vector<Byte> data,
+		std::vector<Byte> const& format,
+		std::vector<Byte> const& data,
 		Int loopStart,
 		Int loopLength,
+		//We must evaluate how to use the time duration
 		TimeSpan const& duration) {
 		if (!AudioEngine::impl || !AudioEngine::impl->_dxAudioEngine)
-			return;
+			return;			
+		
+		//We expect 'format' to always be 16 bytes
+		MemoryStream stream(format);
+		WORD word = 0;
+		DWORD dword = 0;
+
+		auto bWord = reinterpret_cast<Byte*>(&word);
+		auto bDword = reinterpret_cast<Byte*>(&dword);
+
+		stream.Read(bWord, 2, 0, 2);
+		auto tag = word;
+		stream.Read(bWord, 2, 0, 2);
+		auto channels = word;
+		stream.Read(bDword, 4, 0, 4);
+		auto samplesPerSec = dword;
+		stream.Read(bDword, 4, 0, 4);
+		auto bytesPerSec = dword;
+		stream.Read(bWord, 2, 0, 2);
+		auto blockAlign = word;
+		stream.Read(bWord, 2, 0, 2);
+		auto bitsPerSample = word;
+		stream.Read(bWord, 2, 0, 2);
+		auto cbSize = word;
 
 		auto wavData = unew<Byte[]>(data.size());
 		for (size_t i = 0; i < data.size(); ++i)
 			wavData[i] = data[i];
 
-		auto wavFormat = reinterpret_cast<WAVEFORMATEX*>(format.data());
-		auto startAudio = wavData.get() + sizeof(WAVEFORMATEX);
-		/*auto se = new DxSoundEffect(
+		auto wfx = reinterpret_cast<WAVEFORMATEX*>(wavData.get());
+		wfx->wFormatTag = tag;
+		wfx->nChannels = channels;
+		wfx->nSamplesPerSec = samplesPerSec;
+		wfx->nAvgBytesPerSec = bytesPerSec;
+		wfx->nBlockAlign = blockAlign;
+		wfx->wBitsPerSample = bitsPerSample;
+		wfx->cbSize = cbSize;
+
+		auto startAudio = wavData.get();
+		
+		auto se = unew<DxSoundEffect>(
 			AudioEngine::impl->_dxAudioEngine.get(),
 			wavData,
-			wavFormat,
-			startAudio,
-			data.size(),
-			loopStart,
-			loopLength);*/
-		impl->_dxSoundEffect = unew<DxSoundEffect>(
-			AudioEngine::impl->_dxAudioEngine.get(),
-			wavData,
-			wavFormat,
+			wfx,
 			startAudio,
 			data.size(),
 			loopStart,
 			loopLength);
+
+		impl = unew<PlatformImplementation>();
+		impl->_dxSoundEffect = std::move(se);
 	}
 
 	void SoundEffect::Play() {
diff --git a/inc/audio/readers/soundeffect.hpp b/inc/audio/readers/soundeffect.hpp
index dc2df2c..0ac3482 100644
--- a/inc/audio/readers/soundeffect.hpp
+++ b/inc/audio/readers/soundeffect.hpp
@@ -5,6 +5,7 @@
 #include "content/reader.hpp"
 #include "csharp/type.hpp"
 #include "audio/soundeffect.hpp"
+#include "csharp/timespan.hpp"
 
 namespace xna {
 	class SoundEffectReader : public ContentTypeReaderT<PSoundEffect> {
@@ -19,6 +20,9 @@ namespace xna {
 			auto loopStart = input.ReadInt32();
 			auto loopLength = input.ReadInt32();
 			auto num = input.ReadInt32();
+
+			auto sf = snew<SoundEffect>(format, data, loopStart, loopLength, TimeSpan::FromMilliseconds((double)num));
+			return sf;
 		}
 	};
 }
diff --git a/inc/audio/soundeffect.hpp b/inc/audio/soundeffect.hpp
index db4fbb3..8ccc046 100644
--- a/inc/audio/soundeffect.hpp
+++ b/inc/audio/soundeffect.hpp
@@ -25,11 +25,12 @@ namespace xna {
 
 	class SoundEffect {
 	public:
+		//Remover posteriormente ou implementar funções de carregamento dos dados
 		SoundEffect();
 		SoundEffect(String const& fileName);
 		SoundEffect(
-			std::vector<Byte> format,
-			std::vector<Byte> data,
+			std::vector<Byte> const& format,
+			std::vector<Byte> const& data,
 			Int loopStart,
 			Int loopLength,
 			TimeSpan const& duration);
diff --git a/inc/csharp/stream.hpp b/inc/csharp/stream.hpp
index d335383..54b3086 100644
--- a/inc/csharp/stream.hpp
+++ b/inc/csharp/stream.hpp
@@ -45,6 +45,9 @@ namespace xna {
 	//A simplified port of the System.IO.MemoryStream.
 	class MemoryStream : public Stream {
 	public:
+		constexpr MemoryStream(std::vector<Byte> const& bytes):
+			_buffer(bytes), _length(bytes.size()){}
+
 		constexpr MemoryStream(Int capacity) :
 			_buffer(static_cast<size_t>(capacity)),
 			_length(capacity > 0 ? capacity : 0){}
@@ -79,12 +82,13 @@ namespace xna {
 		virtual void Write(Byte const* buffer, Int bufferLength, Int offset, Int count) override;
 		virtual void Write(std::vector<Byte> const& buffer, Int offset, Int count) override;
 		virtual void WriteByte(Byte value) override;
-
+	
 	public:
+		std::vector<Byte> _buffer;
+	private:
 		Int _position{ 0 };
 		Int _origin{ 0 };
 		Int _length{ 0 };
-		std::vector<Byte> _buffer;
 		bool _closed{ false };
 	};