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

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+# Simple TTS
+
+I am providing a simple sketch which generates sound data with my Simple TTS text to speach engine that 
+uses a configurable library of prerecorded words.
+
+You need to install https://github.com/pschatzmann/arduino-simple-tts
+
+In this demo we provide the result as I2SStream but you can easly replace with any other output stream. 
+
+More examples can be found at https://github.com/pschatzmann/arduino-simple-tts/tree/main/examples
+
+## External DAC
+
+for defails see the [Wiki](https://github.com/pschatzmann/arduino-audio-tools/wiki/External-DAC)

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

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+/**
+ * @file streams-tts-i2s.ino
+ * You need to install https://github.com/pschatzmann/arduino-simple-tts
+ * @author Phil Schatzmann
+ * @copyright GPLv3
+ * 
+ */
+
+#include "SimpleTTS.h"
+#include "AudioTools/AudioCodecs/CodecMP3Helix.h"
+//#include "AudioTools/AudioLibs/AudioBoardStream.h"
+
+
+NumberToText ntt;
+I2SStream out; // Replace with desired class e.g. AudioBoardStream, AnalogAudioStream etc.
+MP3DecoderHelix mp3;
+AudioDictionary dictionary(ExampleAudioDictionaryValues);
+TextToSpeech tts(ntt, out, mp3, dictionary);
+
+int64_t number = 1;
+
+void setup(){
+    Serial.begin(115200);
+    AudioToolsLogger.begin(Serial, AudioToolsLogLevel::Warning);
+
+    // setup out
+    auto cfg = out.defaultConfig(); 
+    cfg.sample_rate = 24000;
+    cfg.channels = 1;
+    out.begin(cfg);
+}
+
+
+void loop() {
+    // speach output
+    Serial.println("providing data...");
+    ntt.say(number);
+
+    number +=1;
+    delay(1000);
+}