# Webcam A/V Sync & Latency Meter

For the full tool, see: [https://capytoolkit.com/tools/hardware/webcam-latency/](https://capytoolkit.com/tools/hardware/webcam-latency/)

## Camera Guides

[Logitech C920x](https://capytoolkit.com/tools/hardware/webcam-latency/logitech-c920x/): Measure the exact audio-video offset between your Logitech C920x and microphone. Get an OBS-ready sync value in under a minute without uploads.
[Logitech Brio 500](https://capytoolkit.com/tools/hardware/webcam-latency/logitech-brio-500/): Measure the audio-video offset between your Logitech Brio 500 and microphone in under a minute. Get an OBS-ready sync value. 100% client-side.
[Logitech Brio 300](https://capytoolkit.com/tools/hardware/webcam-latency/logitech-brio-300/): Measure the audio-video offset between your Logitech Brio 300 webcam and microphone. Get a precise OBS sync value with 5 claps. Nothing uploaded.
[Logitech MX Brio](https://capytoolkit.com/tools/hardware/webcam-latency/logitech-mx-brio/): Measure the A/V offset between your Logitech MX Brio 4K and microphone. Get an OBS-ready sync correction. Browser-based, nothing uploaded.
[Logitech C922 Pro Stream](https://capytoolkit.com/tools/hardware/webcam-latency/logitech-c922-pro/): Measure the A/V offset between your Logitech C922 Pro Stream and microphone. Get an OBS-ready offset value with 5 claps. Runs entirely in your browser.
[Razer Kiyo Pro Ultra](https://capytoolkit.com/tools/hardware/webcam-latency/razer-kiyo-pro-ultra/): Measure the A/V offset between your Razer Kiyo Pro Ultra and microphone. Large-sensor cameras have unique latency characteristics. Test before every stream.
[Elgato Facecam](https://capytoolkit.com/tools/hardware/webcam-latency/elgato-facecam/): Measure the A/V offset between your Elgato Facecam and microphone. 60fps native delivery changes sync characteristics compared to 30fps cameras.
[Elgato Facecam Pro](https://capytoolkit.com/tools/hardware/webcam-latency/elgato-facecam-pro/): Measure the A/V offset between your Elgato Facecam Pro and microphone. 4K capture can change sync behavior, so measure before every session for accurate OBS sync.
[OBSBOT Tiny 3](https://capytoolkit.com/tools/hardware/webcam-latency/obsbot-tiny-3/): Measure the A/V offset between your OBSBOT Tiny 3 and microphone. AI tracking adds variable latency, so disable it before calibration.
[Razer Kiyo](https://capytoolkit.com/tools/hardware/webcam-latency/razer-kiyo/): Measure the A/V offset between your Razer Kiyo and microphone. The built-in ring light affects luminance detection. Calibrate correctly before streaming.
[EMEET Nova 4K](https://capytoolkit.com/tools/hardware/webcam-latency/emeet-nova-4k/): Measure the A/V offset between your EMEET Nova 4K and microphone. Budget 4K cameras have distinct latency profiles. Calibrate before every session.

## Troubleshooting Guides

[Fixing OBS Audio Sync with a Browser-Based Offset Measurement](https://capytoolkit.com/tools/hardware/webcam-latency/obs-audio-sync-fix/): Fix OBS audio sync issues caused by webcam video delay. Use the 5-clap browser test to measure your exact ms offset and paste it into OBS.
[Why Webcams Cause Audio Delay and How to Fix It](https://capytoolkit.com/tools/hardware/webcam-latency/webcam-audio-delay/): Understand why webcams add video delay that puts audio out of sync. Learn how to measure and correct the offset for OBS and other apps.
[A/V Sync Calibration for Live Streaming](https://capytoolkit.com/tools/hardware/webcam-latency/streaming-av-sync-calibration/): Calibrate A/V sync for live streaming. Measure your webcam-to-mic offset in under 2 minutes and enter the exact value in OBS or Streamlabs.
[Fixing Audio That Leads Video in Webcam Recordings](https://capytoolkit.com/tools/hardware/webcam-latency/audio-leads-video/): Diagnose and fix audio that leads video in your webcam recordings and streams. Measure the negative A/V offset and apply the correct correction.
[Bluetooth Headset A/V Sync Issues and Fixes for Streamers](https://capytoolkit.com/tools/hardware/webcam-latency/bluetooth-headset-av-sync/): Bluetooth headsets add codec and profile delay to your audio path. Measure the total A/V offset and correct it before going live.
[Fixing A/V Sync in Zoom and Microsoft Teams Video Calls](https://capytoolkit.com/tools/hardware/webcam-latency/zoom-teams-av-sync/): Fix A/V sync problems in Zoom and Microsoft Teams video calls. Measure your webcam offset and apply the right correction path.
[Streamlabs OBS Audio Sync Setup Guide](https://capytoolkit.com/tools/hardware/webcam-latency/streamlabs-audio-sync/): Fix audio sync in Streamlabs OBS for Twitch and YouTube streaming. Measure your webcam offset with 5 claps and apply it with the Sync Offset setting.
[Fixing Audio Drift in Long Recordings and Streams](https://capytoolkit.com/tools/hardware/webcam-latency/audio-drift-long-recordings/): Audio and video that start in sync but drift apart after 30+ minute recordings often have clock mismatch. Learn how to identify and fix it.
[Elgato Cam Link 4K A/V Sync and OBS Setup](https://capytoolkit.com/tools/hardware/webcam-latency/elgato-cam-link-audio-sync/): Capture card setups can add video latency that differs from USB webcams. Measure the Cam Link 4K A/V offset and apply the correct OBS correction.

## Webcam A/V Sync & Latency Meter Reference

[Audio Offset](https://capytoolkit.com/tools/hardware/webcam-latency/reference/#audio-offset): Audio offset is the millisecond gap between the audio and video streams in a recording or stream. Learn how to measure and correct it.
[A/V Sync](https://capytoolkit.com/tools/hardware/webcam-latency/reference/#av-sync): A/V sync is the alignment between audio and video tracks in a recording or stream. Learn what causes desync, how it is measured, and how to fix it.
[Sample Rate Mismatch](https://capytoolkit.com/tools/hardware/webcam-latency/reference/#sample-rate-mismatch): Sample rate mismatch causes audio to drift out of sync with video over long recordings. Learn why it happens and how to fix it by aligning all device sample rates.
[Audio Pipeline Latency](https://capytoolkit.com/tools/hardware/webcam-latency/reference/#audio-pipeline-latency): Audio pipeline latency is the total delay from microphone input to browser delivery. Learn what contributes to it and how it differs from video pipeline latency.

## Webcam A/V Sync & Latency Meter: Code Examples

[OBS Studio + USB Webcam + USB Mic A/V Sync Guide](https://capytoolkit.com/tools/hardware/webcam-latency/code-examples/#obs-usb-webcam-usb-mic): Calibrate A/V sync for the most common streaming setup: OBS Studio with a USB webcam and USB microphone. Measure offset and apply it in OBS.
[OBS + Elgato Cam Link + XLR Microphone A/V Sync Guide](https://capytoolkit.com/tools/hardware/webcam-latency/code-examples/#obs-cam-link-xlr-mic): Calibrate A/V sync for an OBS setup using an Elgato Cam Link 4K and an XLR microphone through an audio interface. Larger offsets need careful measurement.
[Zoom Video Calls + USB Webcam + External Microphone A/V Sync Guide](https://capytoolkit.com/tools/hardware/webcam-latency/code-examples/#zoom-external-mic): Measure lip-sync in Zoom with an external USB microphone and USB webcam, then verify the result in Zoom test meeting or a local recording setup.
[Streamlabs OBS + USB Webcam + USB Headset A/V Sync Guide](https://capytoolkit.com/tools/hardware/webcam-latency/code-examples/#streamlabs-webcam-headset): Measure A/V sync with a USB webcam and USB headset, then apply the value in Streamlabs OBS audio source settings.
[Elgato Facecam + Wave:3 + OBS A/V Sync Calibration](https://capytoolkit.com/tools/hardware/webcam-latency/code-examples/#elgato-facecam-wave3): Calibrate A/V sync for the Elgato ecosystem: Facecam webcam, Wave:3 microphone, and OBS Studio. Measure the offset and apply it in OBS.

## Webcam A/V Sync & Latency Meter: Conversions

[ms to frames (30fps video)](https://capytoolkit.com/tools/hardware/webcam-latency/conversions/#ms-to-frames-30fps): Convert millisecond A/V offset values to frame counts for 30fps video production.
[ms to frames (60fps video)](https://capytoolkit.com/tools/hardware/webcam-latency/conversions/#ms-to-frames-60fps): Convert millisecond A/V offset values to frame counts for 60fps video production.