【Technical Post】Say Goodbye to Repeated Haptic Tuning in Mobile Games! awinic Participates in the Development of IEEE2861.3, Unifying Industry Standards for Mobile Game Haptics!

2026-07-07

On the track of upgrading mobile gaming experiences, haptic feedback has long moved from being“a bonus”to becoming“a necessity”.Therecoilin shooting games, theroad bumpsin racing games, and theskill collisionsin action games—every precise vibration feedback brings players closer to the virtual world. However, for a long time, the fragmentation of haptic hardware in mobile devices and the lack of unified manufacturer interfaces have trapped developers in the dilemma of“developing once but adapting for multiple devices”.

IEEE2861.3The protocol (IEEE Standard for Haptic Interface Enhancement for Mobile Gaming) serves as a unified international standard for haptic feedback in mobile games. It defines, for the first time, vendor-agnostic haptic interfaces and protocol standards in the mobile gaming field, laying the foundation for the standardized and large-scale application of haptic feedback.

I. Protocol Background:

Why is a unifiedHapticstandard needed?

Before the emergence of theIEEE2861.3protocol, the mobile game haptic feedback industry faced two core pain points that severely constrained experience upgrades and industrial development:

1 Severe hardware fragmentation

Mobile devices from different manufacturers adopt different types of motors (such asERMeccentric rotating mass motors andLRAlinear resonant actuators), resulting in significant differences in frequency response, vibration intensity, etc.;

2 High adaptation costs for developers

Game developers need to individually debug haptic parameters and develop adaptation logic for each device and each motor type, greatly increasing R&D workload.

Against this backdrop,led by Tencent, with awinic and other27enterprises participating, jointlyIEEElaunched theP2861.3standard project. It aims to establish a universal haptic interface and vibration waveform description file, unify the interaction protocol between mobile terminals and games,break down manufacturer barriers, reduce adaptation costs, and simultaneously improve the consistency of users' haptic experiences. This standard was approved by the2023Board of Directors on9Month21Day,IEEE, and officially released on2024Year2Month9Day, becoming the world's first technical standard for haptic feedback in mobile games.

II. Core Definitions of the Protocol:

A Universal Grammar for Haptic Feedback

IEEE2861.3Thecore objectiveof the protocol isto define vendor-agnostic haptic interface configuration files and parameters, standardizing the transmission and conversion message protocols for haptic hardware attributes between devices. In theAndroidsystem, this protocol is implemented through standardized vibration interface classes and a unified vibration effect description format (HEfiles), addressing the pain points of inconsistent haptic interfaces across devices from different manufacturers and high adaptation costs.

III. Implementation of Core Protocol Interfaces

IEEE2861.3The protocol is implemented in theAndroidsystem primarily through two core classes responsible for creating, controlling, and playing haptic effects:android.os.DynamicEffect(haptic effect encapsulation)andandroid.os.HapticPlayer(haptic interface encapsulation). These two classes work together to fulfill the haptic feedback logic specified by the protocol. Both the class names and core methods are mandatory requirements of the protocol and must not be modified.

Figure 1 Core Class Relationship Diagram (DynamicEffect is used by HapticPlayer )

IV. Protocol Specifications:

HEFile Format

IEEE2861.3The protocol mandates that haptic effects must be described usingJSONformatHEfiles, which include metadata, event sequences, and dynamic curves for the haptic effects. The fields and value ranges for each section are mandatory requirements of the protocol and must not be arbitrarily modified.

Figure2 HE File Structure (Metadata + Pattern + Events)

HEDetailed Explanation of Core File Fields

1 Metadata: Describes basic information about the haptic effect

Version: Version number, used for protocol parsing and version compatibility
Created: Creation time, used to trace effect creation information
Description: Haptic effect description, used to identify the effect's purpose

2 Pattern: Event array

Each event (Event) describes an independent haptic segment;

3 Event: Detailed configuration for a single haptic event, with core fields as follows

n Type: Event type, wherecontinuousindicates long vibration andtransientindicates short vibration;

RelativeTime: Time relative to the start of theHEfile, used to control the execution order of multiple events;

Duration: Applicable only to long vibrations, describing the vibration duration;

Parameters: Contains intensity (Intensity) and frequency (Frequency), with a value range of[0,100], corresponding to the hardware's minimum to maximum capabilities;
Curve: Applicable only to long vibrations, an array of dynamic curves used to achieve smooth transitions in haptic effects:

Start point:Time = RelativeTime, whereIntensity must be0;

End point:Time = Duration, whereIntensity must be0;

Intermediate control points (optional):Intensity takes values in[0,1], used to modify theParameterswithinIntensity(multiplication);Frequency Value[-100,100], used to modifyParametersinFrequency(addition).

V. Industrial Value

1 For Developers

Based on standardized interfaces andHEfiles, a single development effort can cover all supportedIEEE2861.3protocolAndroiddevices, eliminating the need for separate adaptation for different manufacturers, significantly reducing R&D and debugging costs;

2 For Device Manufacturers

Unified interface specifications reduce manufacturers' interface development costs; by implementing theDynamicEffectandHapticPlayerclasses according to the protocol, compatibility with all games and applications developed based on the protocol is achieved;

3 For Users

Consistent high-quality haptic feedback across devices, avoiding“the issue of changing haptic experiences when switching devices”, significantly enhancing the immersion of mobile games.

Figure3 Tripartite Value (Developers / Manufacturers / Users)

VI. Hardware-Level Standard Implementation:

awinicAW8625Xseries chips empower full-link protocol implementation

As a core participating enterprise in theIEEE2861.3international standard, awinic not only participates in the formulation of the standard framework but also achieves closed-loop implementation from software protocols to underlying hardware: its旗下AW8625Xseries haptic driver chips,arethe industry's first to integrate theIEEE2861.3protocol into chip hardware, and are currently the dedicated haptic driver chips for mobile terminals adapting to this international standard.

Most industry solutions rely solely on system platforms and software code to completeIEEE2861.3protocol parsing and waveform adaptation, which requires occupying platform resources such as main controlCPUcomputing power and system memory, and also suffers from issues like high software parsing latency and high overall power consumption. However,awinicAW8625Xsolidifies protocol logic in hardware, offloading standard interfaces,HEfile parsing, and vibration curve calculations entirely to the chip hardware layer, bringing multiple core benefits to industry chain customers:

1 Ultimate burden reduction, significantly decreasing adaptation workload on the platform sideThe chip hardware natively supports all interfaces of theIEEE2861.3protocol andHEfile formats; device manufacturers and solution customers do not need to develop or debug complex protocol parsing code at the system layer,nor do they need to adapt the underlying logic ofDynamicEffectandHapticPlayerinterfaces; standard access requires zero additional software development work, truly achieving chip-on compatibility with theIEEE2861.3standard, bypassing the lengthy protocol adaptation and debugging process.

2 Saving terminal platform computing power and system resources
Protocol parsing and vibration parameter calculations are independently completed by theAW8625Xchip hardware,without occupying the phone's main controlCPU, SystemDSPMemory Resources; releasing platform computing power for core tasks such as game rendering and algorithm processing, preventing haptic lag and frame drops in multi-tasking scenarios.

3 Hardware-level low power consumption optimizes overall device battery life.
Compared to software-based polling and protocol parsing solutions,ASICthe hardware-fixed pathway offers higher execution efficiency, intelligently regulating motor driver output and protocol message scheduling on demand; while ensuringIEEE2861.3standard native high-quality haptic output,it reduces overall device power consumption in gaming haptic scenarios, alleviating battery drain and heating issues in mobile gaming.

4 Full-scenario adaptation of standard capabilities amplifies standardized industry advantages.
LeveragingAW8625XmatureLRA/ERMmotor compatibility capabilities, combined with aIEEE2861.3unified protocol, it can perfectly support standardizedHEvibration waveforms on the gaming side; integrated with awinic's self-developedawinicTikTap®LeiZhenzi haptic algorithms, it further amplifies standard advantages, ensuring consistent and highly realistic gaming haptic feedback across different motor hardware models, fundamentally solving industry pain points of fragmented haptics and repeated parameter tuning across multiple device models from the hardware source.