diff --git a/Source/Transmitter.cpp b/Source/Transmitter.cpp
index 8c5096a..a0b2d7d 100644
--- a/Source/Transmitter.cpp
+++ b/Source/Transmitter.cpp
@@ -3,8 +3,8 @@
 
 Transmitter::Transmitter(void)
 	: Thread("Transmitter")
-	, m_symbolizer(this)
-	, m_formatter(&m_symbolizer)
+	, m_formatter()
+	, m_symbolizer()
 	, m_symbolMapper()
 	, m_bufferSize(0)
 	, m_samplerate(192000)
@@ -15,13 +15,27 @@ Transmitter::Transmitter(void)
 	, m_symCount(0)
 	, m_pCoeffRCF(0)
 	, m_upsampleFactor(1)
+	, m_buffer_data_in(BUFFERSIZE_DATA)
+	, m_buffer_symbol_in(BUFFERSIZE_DATA+64)
+	, m_buffer_symbol_out(BUFFERSIZE_SYMBOL)
 {
 	SymMapInit(&m_symbolMapper, m_numBitPerSymbol, MAP_MODE_QAM);
 	m_duc.init(m_carrierFreq/m_samplerate, 0);
 
 	paramChanged();
 
+	// Setup Buffers
 	bufferResize(2048);
+
+	// Formatter
+	m_formatter.buffer_in_add(&m_buffer_data_in);
+	m_formatter.buffer_out_add(&m_buffer_symbol_in);
+	m_formatter.prepare();
+
+	// Symbolizer
+	m_symbolizer.buffer_in_add(&m_buffer_symbol_in);
+	m_symbolizer.buffer_out_add(&m_buffer_symbol_out);
+	m_symbolizer.prepare();
 }
 
 Transmitter::~Transmitter(void)
@@ -36,6 +50,49 @@ Transmitter::~Transmitter(void)
 	SymMapFree(&m_symbolMapper);
 }
 
+// Thread
+void Transmitter::run()
+{
+	uint64_t data = 0;
+	while(!threadShouldExit())
+	{
+		// Create Data
+		while(m_buffer_data_in.free())
+		{
+			m_buffer_data_in.write((uint8_t*)&data, sizeof(data));
+			data++;
+		}
+
+		// Format
+		m_formatter.process();
+
+		// Symbolize
+		m_symbolizer.process();
+
+		// Transmit symbols
+		transmit();
+	}
+}
+
+// Transmit symbols
+void Transmitter::transmit()
+{
+	while(m_buffer_symbol_out.len())
+	{
+		symbol_t symbol;
+		m_buffer_symbol_out.read(&symbol, 1);
+		m_bufferSym[m_symCount++] = toComplexScalar(SymMapMap(&m_symbolMapper, symbol));
+
+		if (m_symCount >= m_bufferSize/m_upsampleFactor)
+		{
+			uint32_t symCountRcf = m_firUp.process(m_bufferSymRcf, m_bufferSym, m_symCount);
+			m_duc.mixComplexRealV(m_bufferRF, m_bufferSymRcf, ComplexScalar(m_kRcf/4, m_kRcf/4), symCountRcf);
+			m_txBuf.write(m_bufferRF, symCountRcf);
+			m_symCount = 0;
+		}
+	}
+}
+
 void Transmitter::paramChanged()
 {
 	uint32_t n_mf;
@@ -49,13 +106,21 @@ void Transmitter::paramChanged()
 	n_mf = (uint32_t)(TRANSMITTER_RCF_OVERSAMPLING*m_upsampleFactor) + 1;
 
 	if (m_pCoeffRCF)
+	{
 		delete m_pCoeffRCF;
+	}
 
 	m_pCoeffRCF = new radio_float_t[n_mf];
 	m_kRcf = CalcFirSRRC(m_pCoeffRCF, (radio_float_t)m_samplerate, (radio_float_t)2.0/m_symbolrate, TRANSMITTER_RCF_ROLLOFF, n_mf);
 
 	m_firUp.init(m_upsampleFactor, m_pCoeffRCF, n_mf);
 	m_duc.init(m_carrierFreq/m_samplerate, 0);
+
+	symbol_t sync_syms[4]; // 4 Corners
+	sync_syms[0] = SymMapDemap(&m_symbolMapper, toCpx(ComplexScalar(+1,+1)));
+	sync_syms[1] = SymMapDemap(&m_symbolMapper, toCpx(ComplexScalar(-1,+1)));
+	sync_syms[2] = SymMapDemap(&m_symbolMapper, toCpx(ComplexScalar(-1,-1)));
+	sync_syms[3] = SymMapDemap(&m_symbolMapper, toCpx(ComplexScalar(+1,-1)));
 }
 
 void Transmitter::bufferResize(uint32_t size)
@@ -73,3 +138,70 @@ void Transmitter::bufferResize(uint32_t size)
 	startThread(0);
 
 }
+
+void Transmitter::reset()
+{
+}
+
+void Transmitter::setBuffersize(uint32_t size)
+{
+	bufferResize(size);
+	paramChanged();
+}
+
+void Transmitter::setSamplerate(radio_float_t samplerate_hz)
+{
+	m_samplerate = samplerate_hz;
+	m_carrierFreq = samplerate_hz/4;
+	m_symbolrate = samplerate_hz/4;
+	paramChanged();
+}
+
+void Transmitter::setCarrierFrequency(radio_float_t frequency_hz)
+{
+	const ScopedLock sl (m_lock);
+	m_carrierFreq = frequency_hz;
+	m_duc.init(m_carrierFreq/m_samplerate, 0);
+}
+
+radio_float_t Transmitter::getCarrierFrequency()
+{
+	return m_carrierFreq;
+}
+
+void Transmitter::setSymbolRate(radio_float_t symbolrate_bit_per_sec)
+{
+	m_symbolrate = symbolrate_bit_per_sec;
+	paramChanged();
+}
+
+radio_float_t Transmitter::getSymbolRate()
+{
+	return m_symbolrate;
+}
+
+void Transmitter::setNumBitPerSymbol(uint32_t numBitPerSymbol)
+{
+	m_numBitPerSymbol = numBitPerSymbol;
+	if (m_numBitPerSymbol > 16)
+		m_numBitPerSymbol = 16;
+
+	paramChanged();
+}
+
+void Transmitter::getData(float *pRF, uint32_t len)
+{
+	uint32_t res;
+
+	if (len != m_bufferSize)
+	{
+		memset(pRF, 0, len*sizeof(float));
+		return;
+	}
+
+	res = m_txBuf.read(pRF);
+
+	if (!res)
+		memset(pRF, 0, len*sizeof(float));
+
+}
diff --git a/Source/Transmitter.hpp b/Source/Transmitter.hpp
index 8e28e7f..f85d02c 100644
--- a/Source/Transmitter.hpp
+++ b/Source/Transmitter.hpp
@@ -23,8 +23,11 @@ using namespace Radio;
 
 // ---------------------------------------------------
 
-class Transmitter : public TransmitterInterface, public ISymbolizer, public juce::Thread
+class Transmitter : public TransmitterInterface, public juce::Thread
 {
+	const size_t BUFFERSIZE_DATA = 256;
+	const size_t BUFFERSIZE_SYMBOL = 8*256;
+
 public:
 	Transmitter(void);
 	~Transmitter(void);
@@ -33,8 +36,8 @@ public:
 
 private:
     CriticalSection m_lock;
-	Symbolizer m_symbolizer;
 	Formatter m_formatter;
+	Symbolizer m_symbolizer;
 	sym_map_t m_symbolMapper;
 	Interpolation::UpSampler m_firUp;
 	uint32_t m_bufferSize;
@@ -54,101 +57,29 @@ private:
 	uint32_t m_symCount;
 	uint32_t m_upsampleFactor;
 
+	// Processor Buffers
+	Processor::Buffer<uint8_t> m_buffer_data_in;
+	Processor::Buffer<uint8_t> m_buffer_symbol_in;
+	Processor::Buffer<uint32_t> m_buffer_symbol_out;
+
 	// Thread
-	void run() override
-	{
-		uint32_t data;
+	void run() override;
 
-		data = 0;
-		while(!threadShouldExit())
-		{
-			m_formatter.process(&data, sizeof(data));
-			data++;
-		}
-	}
-
-	// ISymbolizer
-	void onSymbol(symbol_t symbol) override
-	{
-		uint32_t symCountRcf;
-		const ScopedLock sl (m_lock);
-
-		m_bufferSym[m_symCount++] = toComplexScalar(SymMapMap(&m_symbolMapper, symbol));
-
-		if (m_symCount >= m_bufferSize/m_upsampleFactor)
-		{
-			symCountRcf = m_firUp.process(m_bufferSymRcf, m_bufferSym, m_symCount);
-			m_duc.mixComplexRealV(m_bufferRF, m_bufferSymRcf, ComplexScalar(m_kRcf/4, m_kRcf/4), symCountRcf);
-			m_txBuf.write(m_bufferRF, symCountRcf);
-			m_symCount = 0;
-		}
-	}
+	// Transmit symbols
+	void transmit();
 
 	void paramChanged();
 
 	// TransmitterInterface
-	void reset() override
-	{
-	}
-	void setBuffersize(uint32_t size) override
-	{
-		bufferResize(size);
-		paramChanged();
-	}
-	void setSamplerate(radio_float_t samplerate_hz) override
-	{
-		m_samplerate = samplerate_hz;
-		m_carrierFreq = samplerate_hz/4;
-		m_symbolrate = samplerate_hz/4;
-		paramChanged();
-	}
-	void setCarrierFrequency(radio_float_t frequency_hz) override
-	{
-		const ScopedLock sl (m_lock);
-		m_carrierFreq = frequency_hz;
-		m_duc.init(m_carrierFreq/m_samplerate, 0);
-	}
-	radio_float_t getCarrierFrequency() override
-	{
-		return m_carrierFreq;
-	}
-
-	void setSymbolRate(radio_float_t symbolrate_bit_per_sec) override
-	{
-		m_symbolrate = symbolrate_bit_per_sec;
-		paramChanged();
-	}
-	
-	radio_float_t getSymbolRate() override
-	{
-		return m_symbolrate;
-	}
-
-	void setNumBitPerSymbol(uint32_t numBitPerSymbol) override
-	{
-		m_numBitPerSymbol = numBitPerSymbol;
-		if (m_numBitPerSymbol > 16)
-			m_numBitPerSymbol = 16;
-
-		paramChanged();
-	}
-
-	void getData(float *pRF, uint32_t len) override
-	{
-		uint32_t res;
-
-		if (len != m_bufferSize)
-		{
-			memset(pRF, 0, len*sizeof(float));
-			return;
-		}
-
-		res = m_txBuf.read(pRF);
-
-		if (!res)
-			memset(pRF, 0, len*sizeof(float));
-
-	}
+	void reset() override;
+	void setBuffersize(uint32_t size) override;
+	void setSamplerate(radio_float_t samplerate_hz) override;
+	void setCarrierFrequency(radio_float_t frequency_hz) override;
+	radio_float_t getCarrierFrequency() override;
+	void setSymbolRate(radio_float_t symbolrate_bit_per_sec) override;
+	radio_float_t getSymbolRate() override;
+	void setNumBitPerSymbol(uint32_t numBitPerSymbol) override;
+	void getData(float *pRF, uint32_t len) override;
 };
 
 #endif // _TRANSMITTER_HPP_