diff --git a/src/adapters/recognition/auddAdapter.js b/src/adapters/recognition/auddAdapter.js
index 1d54662..62e9048 100644
--- a/src/adapters/recognition/auddAdapter.js
+++ b/src/adapters/recognition/auddAdapter.js
@@ -4,19 +4,19 @@ import recognizeAudio from '../../api/recognition/auddApi.js';
  * Recognizes a list of audio files.
  *
  * @param {string[]} audioFiles An array of file paths of the audio files.
- * @return {Promise<Object[]>} A promise that resolves to an array of recognition results.
+ * @return {Promise<(Object|null)[]>} A promise that resolves to an array of recognition result objects or null values for each file.
  */
 export default async function recognizeAudioFiles(audioFiles) {
-  const recognitionPromises = audioFiles.map((filePath) => recognizeAudio(filePath)
-    .catch((error) => {
-      // Log the error and return null
-      // This prevents one failed recognition from stopping the whole process
-      console.error(`Recognition failed for file ${filePath}:`, error);
-      return null;
-    }));
+  const recognitionPromises = audioFiles.map(filePath =>
+    recognizeAudio(filePath)
+      .catch(error => {
+        // Log the error and return null for this file.
+        // This prevents one failed recognition from stopping the whole process
+        console.error(`Recognition failed for file ${filePath}:`, error);
+        return null;
+      })
+  );
 
-  // Wait for all recognitions to resolve. This will be an array of results or null values
-  const recognizedAudioFiles = await Promise.all(recognitionPromises);
-  // Filter out unsuccessful recognitions
-  return recognizedAudioFiles.filter((result) => result !== null);
+  // Wait for all recognitions to resolve. This will be an array of results or null values for each audio file.
+  return Promise.all(recognitionPromises);
 }