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

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+# Using FLITE Speach to Text
+
+I am providing a simple sketch which generates sound data with the Flite text to speach engine.
+You need to install https://github.com/pschatzmann/arduino-flite
+
+In this demo we provide the result as I2SStream but you can easly replace with any other output stream. 
+
+FLITE is quite big: you need to need to use the custom Partition Schema or RainMaker 4MB no OTA
+
+## External DAC
+
+for defails see the [Wiki](https://github.com/pschatzmann/arduino-audio-tools/wiki/External-DAC)

libraries/audio-tools/examples/examples-tts/streams-flite-i2s/partitions.csv

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+# Name,   Type, SubType, Offset,  Size, Flags
+nvs,      data, nvs,     36K,     20K,
+factory,  app,  factory, 64K,     4000K,

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

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+/**
+ * @file streams-flite-i2s.ino
+ * You need to install https://github.com/pschatzmann/arduino-flite
+ * 
+ * @author Phil Schatzmann
+ * @copyright GPLv3
+ * 
+ */
+
+#include "flite_arduino.h"
+#include "AudioTools.h"
+//#include "AudioTools/AudioLibs/AudioBoardStream.h"
+
+I2SStream out; // Replace with desired class e.g. AudioBoardStream, AnalogAudioStream etc.
+Flite flite(out);
+
+
+void setup(){
+  Serial.begin(115200);
+  AudioToolsLogger.begin(Serial, AudioToolsLogLevel::Info);
+
+  // start data sink
+  auto cfg = out.defaultConfig();
+  cfg.sample_rate = 8000;
+  cfg.channels = 1;
+  cfg.bits_per_sample = 16;
+  out.begin(cfg);
+}
+
+// Arduino loop  
+void loop() {  
+  Serial.println("providing data...");
+  flite.say("Hallo, my name is Alice");
+  delay(5000);
+}