From 1f80babc4c61fa29e52dfecacabaedaa88b7d665 Mon Sep 17 00:00:00 2001
From: Luke Oliff <luke@lukeoliff.com>
Date: Thu, 25 Jan 2024 16:08:02 +0000
Subject: [PATCH] feat: add speechstarted event to sdk (#235)

---
 src/lib/enums/LiveTranscriptionEvents.ts | 1 +
 src/lib/types/SpeechStartedEvent.ts      | 5 +++++
 src/lib/types/index.ts                   | 1 +
 src/packages/LiveClient.ts               | 5 +++++
 4 files changed, 12 insertions(+)
 create mode 100644 src/lib/types/SpeechStartedEvent.ts

diff --git a/src/lib/enums/LiveTranscriptionEvents.ts b/src/lib/enums/LiveTranscriptionEvents.ts
index 69ed1757..cad0323c 100644
--- a/src/lib/enums/LiveTranscriptionEvents.ts
+++ b/src/lib/enums/LiveTranscriptionEvents.ts
@@ -6,4 +6,5 @@ export enum LiveTranscriptionEvents {
   Error = "error",
   Warning = "warning",
   UtteranceEnd = "UtteranceEnd", // exact match to data type from API
+  SpeechStarted = "SpeechStarted",
 }
diff --git a/src/lib/types/SpeechStartedEvent.ts b/src/lib/types/SpeechStartedEvent.ts
new file mode 100644
index 00000000..2a8bdaba
--- /dev/null
+++ b/src/lib/types/SpeechStartedEvent.ts
@@ -0,0 +1,5 @@
+export interface SpeechStartedEvent {
+  type: "SpeechStarted";
+  channel: number[];
+  timestamp: number;
+}
diff --git a/src/lib/types/index.ts b/src/lib/types/index.ts
index ee281ba5..0acd1827 100644
--- a/src/lib/types/index.ts
+++ b/src/lib/types/index.ts
@@ -42,6 +42,7 @@ export type {
   AnalyzeSource,
 } from "./DeepgramSource";
 export type { SendProjectInviteSchema } from "./SendProjectInviteSchema";
+export type { SpeechStartedEvent } from "./SpeechStartedEvent";
 export type { SyncPrerecordedResponse } from "./SyncPrerecordedResponse";
 export type { SyncAnalyzeResponse } from "./SyncAnalyzeResponse";
 export type { TranscriptionSchema, PrerecordedSchema, LiveSchema } from "./TranscriptionSchema";
diff --git a/src/packages/LiveClient.ts b/src/packages/LiveClient.ts
index 1ed2195c..d1353cb1 100644
--- a/src/packages/LiveClient.ts
+++ b/src/packages/LiveClient.ts
@@ -12,6 +12,7 @@ import type {
   LiveTranscriptionEvent,
   DeepgramClientOptions,
   UtteranceEndEvent,
+  SpeechStartedEvent,
 } from "../lib/types";
 
 export class LiveClient extends AbstractWsClient {
@@ -58,6 +59,10 @@ export class LiveClient extends AbstractWsClient {
         if (data.type === LiveTranscriptionEvents.UtteranceEnd) {
           this.emit(LiveTranscriptionEvents.UtteranceEnd, data as UtteranceEndEvent);
         }
+
+        if (data.type === LiveTranscriptionEvents.SpeechStarted) {
+          this.emit(LiveTranscriptionEvents.SpeechStarted, data as SpeechStartedEvent);
+        }
       } catch (error) {
         this.emit(LiveTranscriptionEvents.Error, {
           event,