Software⏱️ 3 min read📅 2026-06-15

How to Fix: "Error: AudioQueueStart failed" when running afplay repeatedly

Error fixing afplay command in Terminal

Quick Answer: The issue is likely due to the repeated use of the same audio file, causing a resource leak. Try using a different audio file or implementing a loop with a unique filename.

📋 Table of Contents

  1. 🔍 Why This Happens
  2. 🚀 How to Resolve This Issue
  3. ✨ Wrapping Up

Error: AudioQueueStart failed occurs when running afplay repeatedly in Terminal. This issue affects users who are experiencing audio playback problems with their system.

This error can be frustrating for users, especially those who rely on audio playback for work or entertainment purposes. In this guide, we will explore the root causes of this error and provide steps to resolve it.

🔍 Why This Happens

  • The primary reason for AudioQueueStart failed is that the system's audio queue has reached its maximum capacity, causing the afplay command to fail. This can happen when running multiple instances of afplay simultaneously or leaving them running for extended periods.
  • Another possible cause is that the file being played, in this case Bell.aif, is corrupted or not properly formatted, leading to an AudioQueueStart failure.

🚀 How to Resolve This Issue

Method 1: Closing and Relaunching afplay

  1. Step 1: To resolve the issue, first stop any running instances of afplay using the 'kill' command. You can do this by typing 'killall afplay' in your Terminal.
  2. Step 2: Next, close the Terminal window to allow the system to release any occupied resources.
  3. Step 3: Restart the Terminal and run the afplay command again: `afplay /Users/username/Library/Application Support/Nada/Bell.aif`.

Method 2: Monitoring System Resources

  1. Step 1: To monitor system resources, open the Activity Monitor application (located in Applications > Utilities). In the Activity Monitor, select the process 'afplay' and click on the 'Details' tab.
  2. Step 2: Check if the process is consuming excessive CPU or memory. If so, consider adjusting the sleep interval or stopping other resource-intensive processes to free up system resources.
  3. Step 3: If the file being played is corrupted, try replacing it with a new copy from the same location.

✨ Wrapping Up

By following these steps, you should be able to resolve the AudioQueueStart failed error when running afplay repeatedly. Remember to monitor your system's resources and ensure that the audio queue has not reached its maximum capacity.

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