Version: 1.1
Last updated: 2024-09-05
Legend
| Product Verb | Development Action |
|---|---|
| "MUST" | Mandatory product requirement |
| "SHOULD" | Optional recommendation |
| "MAY" | Nice to have |
Overview
This document describes the requirements a ChromeOS Compatible Bluetooth speaker meets. This specification is not for WWCB products, nor for a product designed and certified together with a Chromebook.
General Bluetooth Requirements
Refer to ChromeOS Compatible - Bluetooth Specification.
Audio Quality
Capture Path - Mute
- If there is any interface for users to mute the audio device, it must
- Maintain the mute state in a way that is not affected by:
- Opening and closing the device.
- Switching to another input device.
- Maintain the mute state in a way that is not affected by:
- If the user presses the mute button on the headset or ChromeOS, the mute state must change.
- If the mute state changes, the mute state indicator (eg:LED) on the headset must change.
Audio Latency
Latency
- Output Latency
- Audio playback must begin ≤500 ms after a user action that
initiates playback.
- May request a waiver if the device OEM can prove that no echo is introduced when it fails this requirement.
- Audio playback must begin ≤500 ms after a user action that
initiates playback.
A/V Sync
- Audio playback should be synchronized with video playback. Audio playback may lead the video by ≤25 ms or trail the video by ≤95 ms.
Revision History
| Date | Version | Notes |
|---|---|---|
| 2024-09-05 | 1.1 | ChromeOS Compatible spec derived. Initial Partner Site Publication. |
| 2021-11-04 | 1.0 | Related WWCB specification created. |