feat: add azure TTS

src/modules/tts-modes/azure.ts

@@ -0,0 +1,37 @@
+import { TTSModule, TTSResponse } from "../tts";
+
+import { VoicesManager, Communicate } from 'edge-tts-universal';
+
+class AzureTTS implements TTSModule {
+    private voices: Array<string> | undefined = undefined;
+
+    name = "Azure";
+
+    async getVoices(): Promise<Array<string> | undefined> {
+        if (!this.voices) {
+            const voiceMgr = await VoicesManager.create();
+            const voiceQuery = await voiceMgr.find({});
+
+            this.voices = voiceQuery.map((voice) => voice.ShortName);
+        }
+
+        return this.voices;
+    };
+
+    async generate(voice: string, text: string): Promise<TTSResponse> {
+        const comm = new Communicate(text, {
+            voice: voice
+        });
+
+        const buffers: Buffer[] = [];
+        for await (const chunk of comm.stream()) {
+            if (chunk.type === 'audio' && chunk.data) {
+                buffers.push(chunk.data);
+            }
+        }
+
+        return { data: Buffer.concat(buffers) };
+    };
+}
+
+export default new AzureTTS();