diff --git a/dist/lib/client.d.ts b/dist/lib/client.d.ts
index 7ea2201..715b2b5 100644
--- a/dist/lib/client.d.ts
+++ b/dist/lib/client.d.ts
@@ -5,6 +5,8 @@
 /**
  * @typedef {Object} AudioTranscriptionType
  * @property {"whisper-1"} model
+ * @property {string} [language]
+ * @property {string} [prompt]
  */
 /**
  * @typedef {Object} TurnDetectionServerVadType
@@ -314,6 +316,8 @@ export class RealtimeClient extends RealtimeEventHandler {
 export type AudioFormatType = "pcm16" | "g711_ulaw" | "g711_alaw";
 export type AudioTranscriptionType = {
     model: "whisper-1";
+    language?: string;
+    prompt?: string;
 };
 export type TurnDetectionServerVadType = {
     type: "server_vad";
@@ -336,8 +340,7 @@ export type SessionResourceType = {
     model?: string;
     modalities?: string[];
     instructions?: string;
-    voice?: "alloy"|"ash"|"ballad"|"coral"|"echo"|"sage"|"shimmer"|"verse";
-
+    voice?: "alloy" | "ash" | "ballad" | "coral" | "echo" | "sage" | "shimmer" | "verse";
     input_audio_format?: AudioFormatType;
     output_audio_format?: AudioFormatType;
     input_audio_transcription?: AudioTranscriptionType | null;
@@ -457,4 +460,4 @@ export type ResponseResourceType = {
 import { RealtimeEventHandler } from './event_handler.js';
 import { RealtimeAPI } from './api.js';
 import { RealtimeConversation } from './conversation.js';
-//# sourceMappingURL=client.d.ts.map
+//# sourceMappingURL=client.d.ts.map
\ No newline at end of file
diff --git a/dist/lib/client.d.ts.map b/dist/lib/client.d.ts.map
index 10e52f3..fdca1d2 100644
--- a/dist/lib/client.d.ts.map
+++ b/dist/lib/client.d.ts.map
@@ -1 +1 @@
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\ No newline at end of file
+{"version":3,"file":"client.d.ts","sourceRoot":"","sources":["../../lib/client.js"],"names":[],"mappings":"AAKA;;;GAGG;AAEH;;;;;GAKG;AAEH;;;;;;GAMG;AAEH;;;;;;;GAOG;AAEH;;;;;;;;;;;;;;GAcG;AAEH;;GAEG;AAEH;;;;GAIG;AAEH;;;;;GAKG;AAEH;;;;GAIG;AAEH;;;;;GAKG;AAEH;;;;;;;GAOG;AAEH;;;;;;;GAOG;AAEH;;;;;;;GAOG;AAEH;;;;;;;;GAQG;AAEH;;;;;;GAMG;AAEH;;;;;;GAMG;AAEH;;;;;;;;GAQG;AAEH;;;;;;GAMG;AAEH;;GAEG;AAEH;;GAEG;AAEH;;;;GAIG;AAEH;;;;GAIG;AAEH;;;;;GAKG;AAEH;;;;;;GAMG;AAEH;;;GAGG;AACH;IACE;;;OAGG;IACH,sEAFW;QAAC,GAAG,CAAC,EAAE,MAAM,CAAC;QAAC,MAAM,CAAC,EAAE,MAAM,CAAC;QAAC,+BAA+B,CAAC,EAAE,OAAO,CAAC;QAAC,KAAK,CAAC,EAAE,OAAO,CAAA;KAAC,EAsCrG;IAlCC;;;;;;;;;;;;MAYC;IACD,kBAAuB;IACvB;;QAIC;IACD;;;;;MAKC;IACD,sBAKE;IACF,mCAA8C;IAKhD;;;;OAIG;IACH,qBAMC;IALC,wBAA2B;IAC3B,UAAe;IAEf,sBAAyC;IAI3C;;;;OAIG;IACH,6BAkHC;IAED;;;OAGG;IACH,eAFa,OAAO,CAInB;IAED;;;OAGG;IACH,SAFa,IAAI,CAShB;IAED;;;;OAIG;IACH,WAFa,OAAO,CAAC,IAAI,CAAC,CASzB;IAED;;;OAGG;IACH,yBAFa,OAAO,CAAC,IAAI,CAAC,CAUzB;IAED;;OAEG;IACH,mBAIC;IAED;;;OAGG;IACH,wBAFa,YAAY,GAAC,IAAI,CAI7B;IAED;;;;;OAKG;IACH,oBAJW,kBAAkB,sBAEhB;QAAC,UAAU,EAAE,kBAAkB,CAAC;QAAC,OAAO,WAAU;KAAC,CAkB/D;IAED;;;;OAIG;IACH,iBAHW,MAAM,GACJ,IAAI,CAQhB;IAED;;;;OAIG;IACH,eAHW,MAAM,GACJ,IAAI,CAKhB;IAED;;;;OAIG;IACH,sMAFW,mBAAmB,WA4D7B;IAED;;;;OAIG;IACH,iCAHW,KAAK,CAAC,oBAAoB,GAAC,qBAAqB,CAAC,GAC/C,IAAI,CAqBhB;IAED;;;;OAIG;IACH,8BAHW,UAAU,GAAC,WAAW,GACpB,IAAI,CAahB;IAED;;;OAGG;IACH,kBAFa,IAAI,CAahB;IAED;;;;;;OAMG;IACH,mBAJW,MAAM,gBACN,MAAM,GACJ;QAAC,IAAI,EAAE,CAAC,iBAAiB,GAAG,IAAI,CAAC,CAAA;KAAC,CAgC9C;IAED;;;OAGG;IACH,mBAFa,OAAO,CAAC;QAAC,IAAI,EAAE,QAAQ,CAAA;KAAC,CAAC,CAMrC;IAED;;;OAGG;IACH,4BAFa,OAAO,CAAC;QAAC,IAAI,EAAE,QAAQ,CAAA;KAAC,CAAC,CAMrC;CACF;;;;8BAjpBY,OAAO,GAAC,WAAW,GAAC,WAAW;;WAK9B,WAAW;eACX,MAAM;aACN,MAAM;;;UAKN,YAAY;gBACZ,MAAM;wBACN,MAAM;0BACN,MAAM;;;;;;WAMN,UAAU;UACV,MAAM;iBACN,MAAM;gBACN;QAAC,CAAC,GAAG,EAAE,MAAM,GAAG,GAAG,CAAA;KAAC;;;YAKpB,MAAM;iBACN,MAAM,EAAE;mBACR,MAAM;YACN,OAAO,GAAC,KAAK,GAAC,QAAQ,GAAC,OAAO,GAAC,MAAM,GAAC,MAAM,GAAC,SAAS,GAAC,OAAO;yBAC9D,eAAe;0BACf,eAAe;gCACf,sBAAsB,GAAC,IAAI;qBAC3B,0BAA0B,GAAC,IAAI;YAC/B,kBAAkB,EAAE;kBACpB,MAAM,GAAC,MAAM,GAAC,UAAU,GAAC;QAAC,IAAI,EAAC,UAAU,CAAC;QAAA,IAAI,EAAC,MAAM,CAAA;KAAC;kBACtD,MAAM;iCACN,MAAM,GAAC,KAAK;;6BAIb,aAAa,GAAC,WAAW,GAAC,YAAY;;UAKrC,YAAY;UACZ,MAAM;;;UAKN,aAAa;;;;YACb,MAAM;iBACN,MAAM,GAAC,IAAI;;;UAKX,MAAM;UACN,MAAM;;;UAKN,OAAO;;;;YACP,MAAM;iBACN,MAAM,GAAC,IAAI;;;uBAKX,MAAM,GAAC,IAAI;UACX,SAAS;YACT,cAAc;UACd,QAAQ;aACR,KAAK,CAAC,oBAAoB,CAAC;;;uBAK3B,MAAM,GAAC,IAAI;UACX,SAAS;YACT,cAAc;UACd,MAAM;aACN,KAAK,CAAC,oBAAoB,GAAC,qBAAqB,CAAC;;;uBAKjD,MAAM,GAAC,IAAI;UACX,SAAS;YACT,cAAc;UACd,WAAW;aACX,KAAK,CAAC,eAAe,GAAC,gBAAgB,CAAC;;;uBAKvC,MAAM,GAAC,IAAI;UACX,eAAe;YACf,cAAc;aACd,MAAM;UACN,MAAM;eACN,MAAM;;;uBAKN,MAAM,GAAC,IAAI;UACX,sBAAsB;aACtB,MAAM;YACN,MAAM;;;UAKN,UAAU;UACV,MAAM;aACN,MAAM;eACN,MAAM;;;YAKN,UAAU;WACV,MAAM;iBACN,MAAM;WACN,iBAAiB;aACjB,MAAM;WACN,GAAG;;;QAKH,MAAM;YACN,MAAM;WACN,MAAM,GAAC,WAAW,GAAC,QAAQ;eAC3B,qBAAqB;;2BAItB,cAAc,GAAC,YAAY,GAAC,iBAAiB,GAAC,oBAAoB,GAAC,0BAA0B;uBAI7F,iBAAiB,GAAG,YAAY;;UAK/B,YAAY;YACZ,cAAc,GAAC,mBAAmB,GAAC,gBAAgB;;;UAKnD,QAAQ;WACR;QAAC,IAAI,EAAE,MAAM,CAAC;QAAC,OAAO,EAAE,MAAM,CAAA;KAAC,GAAC,IAAI;;;kBAKpC,MAAM;kBACN,MAAM;mBACN,MAAM;;;YAKN,aAAa,GAAC,WAAW,GAAC,YAAY,GAAC,WAAW,GAAC,QAAQ;oBAC3D,4BAA4B,GAAC,wBAAwB,GAAC,IAAI;YAC1D,QAAQ,EAAE;WACV,SAAS,GAAC,IAAI;;qCAvLS,oBAAoB;4BAC7B,UAAU;qCACD,mBAAmB"}
\ No newline at end of file
diff --git a/lib/client.js b/lib/client.js
index 2c48d7f..5b28daa 100644
--- a/lib/client.js
+++ b/lib/client.js
@@ -11,6 +11,8 @@ import { RealtimeUtils } from './utils.js';
 /**
  * @typedef {Object} AudioTranscriptionType
  * @property {"whisper-1"} model
+ * @property {string} [language]
+ * @property {string} [prompt]
  */
 
 /**