49 lines
2.3 KiB
C++
49 lines
2.3 KiB
C++
/**
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* @file streams-azure_tts-i2s.ino
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* @author Kevin Saye
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* @copyright GPLv3
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*
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*/
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#include "AudioTools.h"
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#include "AudioTools/Communication/AudioHttp.h"
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String speechKey = "...."; // deploy a Speech Service in Azure and get both the key and the region. info here: https://azure.microsoft.com/en-us/products/cognitive-services/text-to-speech/
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String spechregion = "....";
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String voice = "en-US-JennyNeural"; // for the next 3 settings, chose from: https://learn.microsoft.com/en-us/azure/cognitive-services/speech-service/language-support?tabs=stt#prebuilt-neural-voices
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String gender = "Female";
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String language = "en-US";
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String url_str = "https://" + spechregion + ".tts.speech.microsoft.com/cognitiveservices/v1";
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String msg = "This is a demonstration of Phil Schatzmann's AudioTools integrating with the Azure Speech Service. Hope you like it.";
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URLStream AzureURLStream("ssid", "pwd");
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I2SStream i2s; // or I2SStream
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StreamCopy copier(i2s, AzureURLStream); // copy in to out
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void setup(){
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Serial.begin(115200);
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AudioToolsLogger.begin(Serial, AudioToolsLogLevel::Info);
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// setup i2s
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auto config = i2s.defaultConfig(TX_MODE);
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config.sample_rate = 8000;
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config.bits_per_sample = 16;
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config.channels = 1;
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config.pin_ws = GPIO_NUM_12; //LCK
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config.pin_bck = GPIO_NUM_13; //BCK
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config.pin_data = GPIO_NUM_21; //DIN
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i2s.begin(config);
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// Source: https://learn.microsoft.com/en-us/azure/cognitive-services/speech-service/get-started-text-to-speech?tabs=windows%2Cterminal&pivots=programming-language-rest
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String ssml = "<speak version='1.0' xml:lang='" + language + "'><voice xml:lang='" + language + "' xml:gender='" + gender + "' name='" + voice + "'>" + msg + "</voice></speak>";
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AzureURLStream.addRequestHeader("Ocp-Apim-Subscription-Key", speechKey.c_str());
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AzureURLStream.addRequestHeader("X-Microsoft-OutputFormat", "raw-8khz-16bit-mono-pcm"); // if you change this, change the settings for i2s and the decoder
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AzureURLStream.addRequestHeader(USER_AGENT, String("Arduino with Audiotools version:" + String(AUDIOTOOLS_VERSION)).c_str());
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AzureURLStream.begin(url_str.c_str(), "audio/wav", POST, "application/ssml+xml", ssml.c_str());
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}
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void loop(){
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copier.copy();
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}
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