The primary cause of this error is due to the incorrect frame rate specified in the FFmpeg command. The '-r' option is used to set the frame rate, but it should be set to a value that matches the duration of each slide.An alternative reason could be the lack of proper synchronization between the aud

How do I fix: 🔧 Proven Troubleshooting Steps Adjusting the Frame Rate?

Step 1: To fix this error, start by adjusting the frame rate in the FFmpeg command. In this case, the '-r' option is set to 27, which may be too high for a 5-7 second slide duration.Step 2: Change the frame rate to a value that matches the desired slide duration. For example, if you want each slide

How do I fix: Synchronizing Audio and Video Streams?

Step 1: Another possible solution is to synchronize the audio and video streams more accurately. This can be achieved by adding the '-s' option, which sets the start time of the first frame.Step 2: However, this method may not provide a straightforward solution for all cases, especially when dealing

Software⏱️ 3 min read📅 2026-06-11

How to Fix: Ffmpeg sync error, first image showing really fast

FFmpeg sync error with image duration issue, solution involves adjusting the frame rate and adding a delay to the first image.

Quick Answer: Adjust the frame rate by changing the -r option from 27 to a lower value, such as 24 or 25, and add a delay to the first image using the -i option with a negative duration.

📋 Table of Contents

⚠️ Common Causes
🔧 Proven Troubleshooting Steps
💡 Conclusion

The issue of 'FFmpeg sync error, first image showing really fast' is encountered when converting images with MP3 to videos. This problem affects users who want each slide duration to be around 5-7 seconds.

This frustration can be resolved by following the steps outlined below.

⚠️ Common Causes

The primary cause of this error is due to the incorrect frame rate specified in the FFmpeg command. The '-r' option is used to set the frame rate, but it should be set to a value that matches the duration of each slide.
An alternative reason could be the lack of proper synchronization between the audio and video streams.

🔧 Proven Troubleshooting Steps

Adjusting the Frame Rate

Step 1: To fix this error, start by adjusting the frame rate in the FFmpeg command. In this case, the '-r' option is set to 27, which may be too high for a 5-7 second slide duration.
Step 2: Change the frame rate to a value that matches the desired slide duration. For example, if you want each slide to last around 5 seconds, set the '-r' option to 30 (5 seconds / 0.167 seconds per frame).
Step 3: Apply this change to the original FFmpeg command and re-run it.

Synchronizing Audio and Video Streams

Step 1: Another possible solution is to synchronize the audio and video streams more accurately. This can be achieved by adding the '-s' option, which sets the start time of the first frame.
Step 2: However, this method may not provide a straightforward solution for all cases, especially when dealing with complex audio tracks or multiple video streams.

💡 Conclusion

By adjusting the frame rate in the FFmpeg command and potentially synchronizing the audio and video streams, you should be able to resolve the 'FFmpeg sync error' issue. Remember to test your output carefully to ensure that each slide duration is around 5-7 seconds.

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