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azure tts example: use pcm

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pschatzmann 2024-08-16 17:05:51 +02:00
parent 93e80425f0
commit 505cdd5749
1 changed files with 3 additions and 5 deletions
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8
examples/examples-tts/streams-azure_tts-i2s/streams-azure_tts-i2s.ino
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@ -17,9 +17,7 @@ String msg = "This is a demonstration of Phil Schatzmann's AudioTools integratin
URLStream AzureURLStream("ssid", "pwd");
I2SStream i2s; // or I2SStream
WAVDecoder decoder;
EncodedAudioStream out(&i2s, &decoder); // Decoder stream
StreamCopy copier(out, AzureURLStream); // copy in to out
StreamCopy copier(i2s, AzureURLStream); // copy in to out
void setup(){
Serial.begin(115200);
@ -27,7 +25,7 @@ void setup(){
// setup i2s
auto config = i2s.defaultConfig(TX_MODE);
config.sample_rate = 16000;
config.sample_rate = 8000;
config.bits_per_sample = 16;
config.channels = 1;
config.pin_ws = GPIO_NUM_12; //LCK
@ -38,7 +36,7 @@ void setup(){
// Source: https://learn.microsoft.com/en-us/azure/cognitive-services/speech-service/get-started-text-to-speech?tabs=windows%2Cterminal&pivots=programming-language-rest
String ssml = "<speak version='1.0' xml:lang='" + language + "'><voice xml:lang='" + language + "' xml:gender='" + gender + "' name='" + voice + "'>" + msg + "</voice></speak>";
AzureURLStream.addRequestHeader("Ocp-Apim-Subscription-Key", speechKey.c_str());
AzureURLStream.addRequestHeader("X-Microsoft-OutputFormat", "riff-16khz-16bit-mono-pcm"); // if you change this, change the settings for i2s and the decoder
AzureURLStream.addRequestHeader("X-Microsoft-OutputFormat", "raw-8khz-16bit-mono-pcm"); // if you change this, change the settings for i2s and the decoder
AzureURLStream.addRequestHeader(USER_AGENT, String("Arduino with Audiotools version:" + String(AUDIOTOOLS_VERSION)).c_str());
AzureURLStream.begin(url_str.c_str(), "audio/wav", POST, "application/ssml+xml", ssml.c_str());