diff --git a/Shared/Services/AudioMetadataService.swift b/Shared/Services/AudioMetadataService.swift
index 8cc30c6c4..5178eb682 100644
--- a/Shared/Services/AudioMetadataService.swift
+++ b/Shared/Services/AudioMetadataService.swift
@@ -93,7 +93,11 @@ public class AudioMetadataService: BPLogger, AudioMetadataServiceProtocol {
   public init() {}
   
   public func extractMetadata(from fileURL: URL) async -> AudioMetadata? {
-    let asset = AVURLAsset(url: fileURL)
+    // MP3 and Ogg lack global duration headers. We request precise timing to prevent
+    // inaccurate duration estimates for VBR files by forcing a full stream scan.
+    let requiresPreciseDuration = ["opus", "ogg", "mp3"].contains(fileURL.pathExtension.lowercased())
+    let options: [String: Any]? = requiresPreciseDuration ? [AVURLAssetPreferPreciseDurationAndTimingKey: true] : nil
+    let asset = AVURLAsset(url: fileURL, options: options)
     return await extractMetadata(from: asset)
   }
   
@@ -232,7 +236,11 @@ public class AudioMetadataService: BPLogger, AudioMetadataServiceProtocol {
   }
 
   public func extractManualChapters(from fileURL: URL) async -> [ChapterMetadata]? {
-    let asset = AVURLAsset(url: fileURL)
+    // MP3 and Ogg lack global duration headers. We request precise timing to prevent
+    // inaccurate duration estimates for VBR files by forcing a full stream scan.
+    let requiresPreciseDuration = ["opus", "ogg", "mp3"].contains(fileURL.pathExtension.lowercased())
+    let options: [String: Any]? = requiresPreciseDuration ? [AVURLAssetPreferPreciseDurationAndTimingKey: true] : nil
+    let asset = AVURLAsset(url: fileURL, options: options)
     do {
       let metadata = try await asset.load(.metadata)
       let duration = CMTimeGetSeconds(try await asset.load(.duration))
diff --git a/Shared/Services/LibraryService+Sync.swift b/Shared/Services/LibraryService+Sync.swift
index 7e03fa99d..a119b9d5c 100644
--- a/Shared/Services/LibraryService+Sync.swift
+++ b/Shared/Services/LibraryService+Sync.swift
@@ -424,6 +424,12 @@ extension LibraryService: LibrarySyncProtocol {
   public func loadChaptersIfNeeded(relativePath: String) async {
     let fileURL = DataManager.getProcessedFolderURL().appendingPathComponent(relativePath)
 
-    await loadChaptersIfNeeded(relativePath: relativePath, asset: AVAsset(url: fileURL))
+    // MP3 and Ogg lack global duration headers. We request precise timing to prevent
+    // inaccurate duration estimates for VBR files by forcing a full stream scan.
+    let requiresPreciseDuration = ["opus", "ogg", "mp3"].contains(fileURL.pathExtension.lowercased())
+    let options: [String: Any]? = requiresPreciseDuration ? [AVURLAssetPreferPreciseDurationAndTimingKey: true] : nil
+    let asset = AVURLAsset(url: fileURL, options: options)
+
+    await loadChaptersIfNeeded(relativePath: relativePath, asset: asset)
   }
 }
diff --git a/Shared/Services/Sync/SyncService.swift b/Shared/Services/Sync/SyncService.swift
index 5622c8a38..375dbd15b 100644
--- a/Shared/Services/Sync/SyncService.swift
+++ b/Shared/Services/Sync/SyncService.swift
@@ -816,7 +816,11 @@ extension SyncService {
 
     let actualDuration: Double
     do {
-      let asset = AVURLAsset(url: fileURL)
+      // MP3 and Ogg lack global duration headers. We request precise timing to prevent
+      // inaccurate duration estimates for VBR files by forcing a full stream scan.
+      let requiresPreciseDuration = ["opus", "ogg", "mp3"].contains(fileURL.pathExtension.lowercased())
+      let options: [String: Any]? = requiresPreciseDuration ? [AVURLAssetPreferPreciseDurationAndTimingKey: true] : nil
+      let asset = AVURLAsset(url: fileURL, options: options)
       actualDuration = CMTimeGetSeconds(try await asset.load(.duration))
     } catch {
       /// We have a trustworthy synced duration, so this is a format we can play —