diff --git a/src/parser/parser.ts b/src/parser/parser.ts
index e487c5d5b..84f13415b 100644
--- a/src/parser/parser.ts
+++ b/src/parser/parser.ts
@@ -401,18 +401,18 @@ export function parseResponse<T extends IParsedResponse = IParsedResponse>(data:
   if (data.playerConfig) {
     const player_config = {
       audio_config: {
-        loudness_db: data.playerConfig.audioConfig.loudnessDb,
-        perceptual_loudness_db: data.playerConfig.audioConfig.perceptualLoudnessDb,
-        enable_per_format_loudness: data.playerConfig.audioConfig.enablePerFormatLoudness
+        loudness_db: data.playerConfig.audioConfig?.loudnessDb,
+        perceptual_loudness_db: data.playerConfig.audioConfig?.perceptualLoudnessDb,
+        enable_per_format_loudness: data.playerConfig.audioConfig?.enablePerFormatLoudness
       },
       stream_selection_config: {
-        max_bitrate: data.playerConfig.streamSelectionConfig.maxBitrate
+        max_bitrate: data.playerConfig.streamSelectionConfig?.maxBitrate || '0'
       },
       media_common_config: {
         dynamic_readahead_config: {
-          max_read_ahead_media_time_ms: data.playerConfig.mediaCommonConfig.dynamicReadaheadConfig.maxReadAheadMediaTimeMs,
-          min_read_ahead_media_time_ms: data.playerConfig.mediaCommonConfig.dynamicReadaheadConfig.minReadAheadMediaTimeMs,
-          read_ahead_growth_rate_ms: data.playerConfig.mediaCommonConfig.dynamicReadaheadConfig.readAheadGrowthRateMs
+          max_read_ahead_media_time_ms: data.playerConfig.mediaCommonConfig?.dynamicReadaheadConfig?.maxReadAheadMediaTimeMs || 0,
+          min_read_ahead_media_time_ms: data.playerConfig.mediaCommonConfig?.dynamicReadaheadConfig?.minReadAheadMediaTimeMs || 0,
+          read_ahead_growth_rate_ms: data.playerConfig.mediaCommonConfig?.dynamicReadaheadConfig?.readAheadGrowthRateMs || 0
         }
       }
     };
diff --git a/src/parser/types/ParsedResponse.ts b/src/parser/types/ParsedResponse.ts
index 1659633cd..1fcde9969 100644
--- a/src/parser/types/ParsedResponse.ts
+++ b/src/parser/types/ParsedResponse.ts
@@ -74,8 +74,8 @@ export interface IParsedResponse {
 
 export interface IPlayerConfig {
   audio_config: {
-    loudness_db: number;
-    perceptual_loudness_db: number;
+    loudness_db?: number;
+    perceptual_loudness_db?: number;
     enable_per_format_loudness: boolean;
   };
   stream_selection_config: {
diff --git a/src/parser/types/RawResponse.ts b/src/parser/types/RawResponse.ts
index 5577393b0..6dac01a00 100644
--- a/src/parser/types/RawResponse.ts
+++ b/src/parser/types/RawResponse.ts
@@ -3,8 +3,8 @@ export type RawData = RawNode | RawNode[];
 
 export interface IRawPlayerConfig {
   audioConfig: {
-    loudnessDb: number;
-    perceptualLoudnessDb: number;
+    loudnessDb?: number;
+    perceptualLoudnessDb?: number;
     enablePerFormatLoudness: boolean;
   };
   streamSelectionConfig: {