Add control on returning TTS response as text message

- Added configuration to enable/disable sending TTS response as text message

.env-example

@@ -81,6 +81,10 @@ TRANSCRIPTION_LANGUAGE=
 # It's open source: https://github.com/askrella/speech-rest-api
 TTS_ENABLED=false
 
+# Defines if the bot should return the TTS response as a text message too
+# If enabled, the bot will send the text response and the voice message
+TTS_TRANSCRIPTION_RESPONSE_ENABLED=true
+
 # Defines if the bot should use the Speech API or AWS Polly to convert text to speech
 # "speech-api" = It will use our Speech API to transcribe your voice messages
 # "aws-polly" = It will use AWS Polly to convert text to speech

docs/pages/tts.md

@@ -8,6 +8,14 @@ You can enable it by setting the following environment variable:
 TTS_ENABLED=true
 ```
 
+By default, when TTS is enabled, the bot will answer two messages: the text response and the audio response.
+
+You can disable the text response by changing the following environment variable:
+
+```bash
+TTS_TRANSCRIPTION_RESPONSE_ENABLED=true
+```
+
 ## Supported Providers
 
 -   [Speech API](#speech-api)

src/config.ts

@@ -50,6 +50,7 @@ interface IConfig {
 	whisperApiKey: string;
 	ttsEnabled: boolean;
 	ttsMode: TTSMode;
+	ttsTranscriptionResponse: boolean;
 	transcriptionEnabled: boolean;
 	transcriptionMode: TranscriptionMode;
 	transcriptionLanguage: string;
@@ -98,6 +99,7 @@ export const config: IConfig = {
 	// Text-to-Speech
 	ttsEnabled: getEnvBooleanWithDefault("TTS_ENABLED", false), // Default: false
 	ttsMode: getEnvTTSMode(), // Default: speech-api
+	ttsTranscriptionResponse: getEnvBooleanWithDefault("TTS_TRANSCRIPTION_RESPONSE_ENABLED", true), // Default: true
 
 	// Transcription
 	transcriptionEnabled: getEnvBooleanWithDefault("TRANSCRIPTION_ENABLED", false), // Default: false

src/handlers/message.ts

@@ -112,8 +112,10 @@ async function handleIncomingMessage(message: Message) {
 		cli.print(`[Transcription] Transcription response: ${transcribedText} (language: ${transcribedLanguage})`);
 
 		// Reply with transcription
-		const reply = `You said: ${transcribedText}${transcribedLanguage ? " (language: " + transcribedLanguage + ")" : ""}`;
-		message.reply(reply);
+		if (config.ttsTranscriptionResponse) {
+			const reply = `You said: ${transcribedText}${transcribedLanguage ? " (language: " + transcribedLanguage + ")" : ""}`;
+			message.reply(reply);
+		}
 
 		// Handle message GPT
 		await handleMessageGPT(message, transcribedText);