diff --git a/main.cpp b/main.cpp
index 8af99a8..b219b54 100644
--- a/main.cpp
+++ b/main.cpp
@@ -28,9 +28,10 @@ void serviceSRT(char* path_in, char* path_srt, char* sublanguage, char* position
 void serviceOnlySRT(char* path_file, char* transparency, char* username);
 void serviceREC(char* path_video, char* sublanguage, char* position, char* size, char* transparency, char* username, char* rate);
 void serviceREC(char* path_video, char* sublanguage, char* position, char* size, char* transparency, char* username);
-
+void serviceOnlyAudio(char* path_audio, char* transparency, char* username, char* rate);
+void serviceOnlyAudio(char* path_audio, char* transparency, char* username);
 void serviceText(char* path_text, char* transparency, char* username, char* client_type);
-void serviceREC2();
+
 void help();
 void fail(string msg);
 void hasFailed();
@@ -99,8 +100,16 @@ int main(int argc, char* argv[]) {
 			serviceOnlySRT(argv[2], argv[3], argv[4]);
 			break;
 		case 6:
-			serviceREC2();
-			hasInvalid();
+			if(argc <= 4){
+				cout << "\nParametros inválidos. Tente novamente.\nService Type REC: ./vlibras 6 INPUT_AUDIO TRANSPARENCY{0=Opaque, 1=Transparent} ID" << endl;
+				help();
+				hasInvalid();	
+				break;
+			}
+			if (argc == 6)
+				serviceOnlyAudio(argv[2], argv[3], argv[4], argv[5]);
+			else
+				serviceOnlyAudio(argv[2], argv[3], argv[4]);
 			break;
 		default:
 			cout << "\nServiço inválido. Tente novamente." << endl;
@@ -283,32 +292,52 @@ void serviceOnlySRT(char* path_file, char* transparency, char* id){
 
 }
 
-void serviceREC2(){
-
-	cout << "\n--> Serviço não disponível.\n" << endl;
+void serviceOnlyAudio(char* path_audio, char* transparency, char* id, char* rate){
 
-/**
-	cout << "\nSERVICE RECOGNIZER FROM AUDIO - Delivers only LIBRAS Translation\n" << endl;
-
-	char* path_in = (char*) argv[2];
-	int transparency = (int) atoi(argv[3]);	
-	char* id = (char*) argv[4];
-	filename = createFileToRespWeb(id);
+	ServiceWindowGenerationFromREC * service_rec;
+	service_rec = new ServiceWindowGenerationFromREC(
+						path_audio,
+						0,
+						0,
+						0,
+						(int) atoi(transparency), 
+						id, 6, rate);
 	
-	printf("Main 1\n");
+	try{
+		service_rec->initialize();
+	}catch(ServiceException ex){
+		fail(ex.getMessage());
+		hasFailed();
+		return;
+	}	
+	while(service_rec->isRunning()){
+        sleep(2);
+	}
+	delete service_rec;
+}
+
+void serviceOnlyAudio(char* path_audio, char* transparency, char* id){
 
 	ServiceWindowGenerationFromREC * service_rec;
-	service_rec = new ServiceWindowGenerationFromREC(path_in, id, transparency, 6);
+	service_rec = new ServiceWindowGenerationFromREC(
+						path_audio,
+						0,
+						0,
+						0,
+						(int) atoi(transparency), 
+						id, 6);
 	
-	service_rec->initialize();
-
+	try{
+		service_rec->initialize();
+	}catch(ServiceException ex){
+		fail(ex.getMessage());
+		hasFailed();
+		return;
+	}	
 	while(service_rec->isRunning()){
-                sleep(5);
-		printf("\nservice_rec->isRunning()...\n");
+        sleep(2);
 	}
-	printf("\nService REC_FROM_AUDIO finished!\n");	
-	updateRequestStatus(filename.c_str(), id, "true");
-**/
+	delete service_rec;
 }
 
 void fail(string msg){
diff --git a/recognize/src/include/recognize.h b/recognize/src/include/recognize.h
index b614438..5700745 100644
--- a/recognize/src/include/recognize.h
+++ b/recognize/src/include/recognize.h
@@ -45,12 +45,15 @@ public:
     void notifyPCRBase(uint64_t pcrbase);
 
 	bool isFinished();
+	void hasAudio();
+
 
     void Run();
 	int count_lines;
 
 private:
 	
+	bool isAudio;
     int64_t pcr_base;
     bool hasPCRBase;
 	char* pathVideo;
diff --git a/recognize/src/recognize.cpp b/recognize/src/recognize.cpp
index 11d0188..6a018be 100644
--- a/recognize/src/recognize.cpp
+++ b/recognize/src/recognize.cpp
@@ -103,8 +103,8 @@ void Recognize::initialize() {
 	ifstream file(pathVideo, ifstream::binary);
 	if(!file.is_open()){
 		finished = true;
-        Util::Logger::Instance()->writeLog((char*) "[ERRO: recognize.cpp] Arquivo de vídeo não encontrado.");
-        throw RecognizeException("Falha ao abrir o arquivo de vídeo! Verifique se o mesmo existe.");		
+        Util::Logger::Instance()->writeLog((char*) "[ERRO: recognize.cpp] Arquivo não encontrado.");
+        throw RecognizeException("Falha ao abrir o arquivo! Verifique se o mesmo existe.");		
 	}
     this->Start();
 }
@@ -112,7 +112,6 @@ void Recognize::initialize() {
 void Recognize::Run(){
 
 	finished = false;
-
 	createDir();
 	extractAudioFromVideo();
 	breakVideoParts(getTimeMediaSec());
@@ -125,6 +124,10 @@ void Recognize::Run(){
 	notifyEndExtraction(count_lines);
 }
 
+void Recognize::hasAudio(){
+	isAudio = true;
+}
+
 void Recognize::setFrequency(int freq) {
 	frequency = freq;
 }
diff --git a/servico/src/serviceWindowGeneration.cpp b/servico/src/serviceWindowGeneration.cpp
index d2e7ea2..3e20014 100644
--- a/servico/src/serviceWindowGeneration.cpp
+++ b/servico/src/serviceWindowGeneration.cpp
@@ -46,7 +46,7 @@ bool ServiceWindowGeneration::isRunning() {
 
 /* Quando o sincronizador termina, ele invoca esse método para avisar! */
 void ServiceWindowGeneration::finalizouSincronizacao() {
-    if (getRunningOption() != '2' && serviceType != SERVICE_TYPE_TEXT && serviceType != SERVICE_TYPE_SRT_ONLY) {
+    if (getRunningOption() != '2' && serviceType == SERVICE_TYPE_REC && serviceType == SERVICE_TYPE_SRT) {
         mixer = new Mixer();
         mixer->initialize(this->path_input, this->path_libras,this->position,this->size,this->transparency, this->user_id);
         createThumbnail();
@@ -255,6 +255,7 @@ void ServiceWindowGeneration::transcodeVideoToMp4() {
     if (serviceType == SERVICE_TYPE_TEXT && strcmp(client_type, (char*)"WEB") == 0)
             transcodeVideoToWebm();
     else{
+
          //printf("[INFO]: A transcodificação para .mp4 está ativada!\n");
         string command = "ffmpeg -i ";
         command.append(path_libras)
diff --git a/servico/src/serviceWindowGenerationFromREC.cpp b/servico/src/serviceWindowGenerationFromREC.cpp
index bbd2889..86153c4 100644
--- a/servico/src/serviceWindowGenerationFromREC.cpp
+++ b/servico/src/serviceWindowGenerationFromREC.cpp
@@ -18,7 +18,7 @@ ServiceWindowGenerationFromREC::ServiceWindowGenerationFromREC(
 
 ServiceWindowGenerationFromREC::ServiceWindowGenerationFromREC(
             char* path_video, int sublanguage, int position, int size, int transparency,  char* id, int serviceType) {
-    
+
     setPathInput(path_video);
     setSubLanguage(sublanguage);
     setPosition(position);
@@ -39,28 +39,36 @@ void ServiceWindowGenerationFromREC::initialize() {
 
     rec->addListener(this);
 
-    inputfile = new InputFile(this->path_input);        
-    monitor_pcr_base = new MonitorPCR();
+    if (serviceType == 6){
+        rec->hasAudio();
+
+    } else {
 
-    if (strstr(this->path_input, "ts") != NULL) {
-        char* format_video = new char[3];
-        strcpy(format_video, "ts");
-        monitor_pcr_base->setFormatVideo(format_video);
+        inputfile = new InputFile(this->path_input);        
+        monitor_pcr_base = new MonitorPCR();
+
+        if (strstr(this->path_input, "ts") != NULL) {
+            char* format_video = new char[3];
+            strcpy(format_video, "ts");
+            monitor_pcr_base->setFormatVideo(format_video);
+        }
+
+        monitor_pcr_base->addListenerPCRBase(rec);
+        inputfile->registraOuvinte(monitor_pcr_base);
+        try{
+            inputfile->initialize();                                
+        } catch(InputException ex){
+            throw ServiceException(ex.getMessage());
+        }	
     }
 
-    monitor_pcr_base->addListenerPCRBase(rec);
-    inputfile->registraOuvinte(monitor_pcr_base);
-		
 	ServiceWindowGeneration::initialize();
-
+  
     try{
-        inputfile->initialize();                                
         rec->initialize();
     } catch(RecognizeException ex){
         throw ServiceException(ex.getMessage());
-    } catch(InputException ex){
-        throw ServiceException(ex.getMessage());
-    }  
+    }   
 	this->Start();
 }
 
--
libgit2 0.21.2