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libraries/audio-tools/examples/examples-tts/streams-tts-i2s/README.md

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+# Using SAM Speach to Text
+
+I am providing a simple sketch which generates sound data with the TTS text to speach engine.
+You need to install https://github.com/pschatzmann/tts
+
+In this demo we provide the result as I2SStream but you can easly replace with any other output stream. 
+
+## External DAC
+
+for defails see the [Wiki](https://github.com/pschatzmann/arduino-audio-tools/wiki/External-DAC)

libraries/audio-tools/examples/examples-tts/streams-tts-i2s/streams-tts-i2s.ino

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+/**
+ * @file streams-tts-i2s.ino
+ * You need to install https://github.com/pschatzmann/tts
+ * @author Phil Schatzmann
+ * @copyright GPLv3
+ * 
+ */
+
+#include "AudioTools.h"
+#include "TTS.h"
+//#include "AudioTools/AudioLibs/AudioBoardStream.h"
+
+I2SStream out; // Replace with desired class e.g. AudioBoardStream, AnalogAudioStream etc.
+TTS tts = TTS(out);
+
+
+void setup(){
+  Serial.begin(115200);
+  AudioToolsLogger.begin(Serial, AudioToolsLogLevel::Info);
+
+  // start data sink
+  TTSInfo info = TTS::getInfo();
+  auto cfg = out.defaultConfig();
+  cfg.sample_rate = info.sample_rate;
+  cfg.channels = info.channels;
+  cfg.bits_per_sample = info.bits_per_sample;
+  out.begin(cfg);
+}
+
+
+// Arduino loop  
+void loop() {
+  Serial.println("providing data...");
+  tts.sayText("Hallo, my name is Alice");
+  delay(5000);
+}