AudioDictionaryURL

Author: pschatzmann

README.md

@@ -1,12 +1,12 @@
 # Arduino Simple TTS
 
 Microcontrollers do not have enough resources to provide a high quality Text to Speech functionality. 
-However often it might be good enough just to provide a solution which is based on some pre-recorded audio.
+However, often it might be good enough to provide a solution which is based on some pre-recorded audio.
 
 I was wondering about the limitations of this approach and decided to implement a small prototype Arduino library
-which is based on the [Arduino Audio Tools](https://github.com/pschatzmann/arduino-audio-tools) for the audio output.
+that is based on the [Arduino Audio Tools](https://github.com/pschatzmann/arduino-audio-tools) for the audio output.
 
-To keep things simple I decided to start with a simple implementation that can process numbers and on top of that another one which 
+To keep things simple I started with a simple implementation that can process numbers and on top of that another one which 
 reads out the time. So the starting point are some classes that tranlate numbers to test.
 
 This functionality can be used e.g. to build some
@@ -122,5 +122,5 @@ I think this leave plenty of headroom and you still have the option to store the
 
 ## Documentation
 
-Here is the [link to the generated class documentation](https://pschatzmann.github.io/arduino-simple-tts/docs/html/annotated.html)
+Here is the [link to the generated class documentation](https://pschatzmann.github.io/arduino-simple-tts/docs/html/annotated.html). 
 Further information can be found in the [Uncyclo](https://github.com/pschatzmann/arduino-simple-tts/wiki) and in my [Blogs](https://www.pschatzmann.ch/home/tag/tts/)

examples/time-to-speech-sd/time-to-speech-sd.ino

@@ -16,15 +16,15 @@
 #include "AudioLibs/AudioKit.h"
 
 TimeToText ttt;
-AudioKitStream i2s; // Replace with desired class e.g. AudioKitStream
 MP3DecoderHelix mp3;
 const char* path = "/tts";
 AudioDictionarySD dictionary(path, "mp3", PIN_AUDIO_KIT_SD_CARD_CS);
+AudioKitStream i2s; // Replace with desired output class e.g. I2SStream
 TextToSpeech tts(ttt, i2s, mp3, dictionary);
 
 void setup(){
     Serial.begin(115200);
-    AudioLogger::instance().begin(Serial, AudioLogger::Info);
+    AudioLogger::instance().begin(Serial, AudioLogger::Warning);
 
     // setup i2s
     auto cfg = i2s.defaultConfig(); 

examples/time-to-speech-url/time-to-speech-url.ino

@@ -0,0 +1,47 @@
+
+/**
+ * @file time-to-speech.ino
+ * @author Phil Schatzmann
+ * @brief Test sketch which announces the indicated time - the audio files are loaded from the internet
+ * @version 0.1
+ * @date 2022-02-16
+ * 
+ * @copyright Copyright (c) 2022
+ * 
+ */
+#include "AudioTools.h"
+#include "SimpleTTS.h"
+#include "AudioDictionaryURL.h"
+#include "AudioCodecs/CodecMP3Helix.h"
+#include "AudioLibs/AudioKit.h"
+
+
+const char *ssid = "ssid";
+const char *password = "password";
+const char *url = "https://pschatzmann.github.io/arduino-simple-tts/audio/";
+
+TimeToText ttt;
+URLStream in(ssid, password); 
+AudioDictionaryURL dictionary(in, url, "mp3");
+MP3DecoderHelix mp3;
+TextToSpeech tts(ttt, in, mp3, dictionary);
+AudioKitStream i2s; // Replace with desired class e.g. I2SStream
+
+void setup(){
+    Serial.begin(115200);
+    AudioLogger::instance().begin(Serial, AudioLogger::Warning);
+ 
+    // setup in
+    auto cfg = i2s.defaultConfig(); 
+    cfg.sd_active = false; // for AudioKitStream to use all pins
+    cfg.sample_rate = 24000;
+    cfg.channels = 1;
+    i2s.begin(cfg);
+
+    // speach output
+    ttt.say(11,40);
+}
+
+void loop() {
+
+}

src/AudioDictionaryURL.h

@@ -1,5 +1,6 @@
 #pragma once
 
+#include "AudioHttp/URLStream.h"
 #include "SimpleTTSBase.h"
 
 namespace simple_tts {
@@ -14,22 +15,29 @@ namespace simple_tts {
  */
 class AudioDictionaryURL : public AudioDictionaryBase {
 public:
-  AudioDictionaryURL(URLStream &urlStream, const char *url) {
+  AudioDictionaryURL(URLStream &urlStream, const char *url, const char *ext) {
     p_url = &urlStream;
     url_cstr = url;
+    ext_cstr = ext;
   }
 
   AudioStream *get(const char *word) {
     url_str = url_cstr;
-    url_str.add("/");
+    if (!url_str.endsWith("/")){
+      url_str.add("/");
+    }
     url_str.add(word);
+    url_str.add(".");
+    url_str.add(ext_cstr);
+    url_str.toLowerCase();
     LOGI("Using url: %s", url_str.c_str());
     p_url->begin(url_str.c_str());
     return p_url;
   }
 
 protected:
   const char *url_cstr;
+  const char *ext_cstr;
   StrExt url_str;
   URLStream *p_url;
 };