Packet loss hiding method and device, computing equipment and storage medium

HK40086447BActive Publication Date: 2026-07-10TENCENT TECHNOLOGY (SHENZHEN) CO LTD

Patent Information

Authority / Receiving Office: HK · HK
Patent Type: Patents
Current Assignee / Owner: TENCENT TECHNOLOGY (SHENZHEN) CO LTD
Filing Date: 2023-06-30
Publication Date: 2026-07-10

AI Technical Summary

Technical Problem

Existing packet loss concealment solutions are ineffective in recovering from packet loss due to significant differences in each person's pronunciation model and habits, thus failing to effectively improve the quality of voice calls.

Method used

By establishing a packet loss hiding model and a correction model, the packet loss hiding model is used to predict based on historical speech data of multiple objects, and the correction model is combined with the historical speech data of the target object to correct the speech parameters of the lost frames, so as to better match the speech characteristics of the target object.

Benefits of technology

The effect and quality of packet loss concealment have been improved, making the corrected voice parameters more consistent with the speaker's characteristics and improving the quality of voice calls.

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Abstract

A packet loss concealment method is described, comprising: determining the current frame in a speech data stream of a target object, the speech data stream including multiple frames of speech data with target speech parameters; responding to packet loss in the current frame, performing a first data processing operation on the current frame, the first data processing operation including the following steps: identifying the current frame as a packet-loss frame; determining predicted speech parameters of the packet-loss frame based on one or more preceding frames using a packet loss concealment model, wherein the packet loss concealment model is established based on historical speech data of multiple objects; correcting the predicted speech parameters of the packet-loss frame using a correction model to obtain corrected speech parameters of the packet-loss frame, wherein the correction model is established based on historical speech data of the target object; and determining the speech data of the packet-loss frame based on the corrected speech parameters of the packet-loss frame. Embodiments of this invention can be applied to various scenarios such as packet loss concealment, data transmission, and voice calls.

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