Version: 2.0
Last updated: 2026-09-28
Overview
This specification module outlines the audio latency and audio-video (AV) synchronization requirements for audio peripherals.
Minimum and Additional Requirements
This specification document is divided into two sections:
- Minimum requirements describe the criteria for a peripheral category to be compatible.
- Additional requirements describe the criteria for certification.
Use these navigation buttons to show only the minimum or both the minimum and additional specification, respectively.
Audio Latency
MINIMUM REQUIREMENTS
- None
ADDITIONAL REQUIREMENTS
Along with the Minimum requirements, a peripheral MUST meet the following requirements to achieve certification:
Latency
- [Mandatory] Output Latency: Audio playback MUST begin ≤ 500 ms after a user action that initiates playback.
Audio-Video (AV) Sync
- [Mandatory] Accuracy: The audio playback latency report MUST be accurate to real world latency, i.e., ≤ 50 ms.
Revision history
| Date | Version | Notes |
|---|---|---|
| 2026-09-28 | 2.0 | Update for ChromeOS Compatible specification. |
| 2026-03-03 | 1.1.2 | Change revision history format for use in macro. |
| 2024-06-14 | 1.1.1 | Publish to partner site. |
| 2024-05-07 | 1.1 | Change wording by tech writer suggestion. |
| 2022-12-19 | 1.0 | Initial version. |