Human-Assisted Voice Dialogue Handoff With Consistent Voice Cloning

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Solution Overview

Problem

Existing automated dialogue systems often transition to human agents in a disjointed manner, causing user frustration and loss of trust due to repeated information exchange and inconsistent voice tones.

Innovation Solution

An automated dialogue system that seamlessly integrates human agent assistance by using voice cloning and conversational intelligence, allowing for smooth transitions by predicting dialogue states and maintaining consistent voice tones through text-to-speech modules.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If the automated dialogue system transitions to a human agent, then the user receives human assistance, but the transition causes user frustration and loss of trust due to repeated information exchange and inconsistent voice tones

Engineering Contradiction:

Improveuser trustVSAvoidinteraction smoothness

Core Design Contradiction:

ReliabilityVSEase of operation

Solution Approach 1:

The system creates a voice clone of the human agent using the automated system's voice characteristics. This voice clone is then used to generate responses that maintain consistency with the automated system's tone and style, eliminating the jarring transition effect while preserving human-like interaction quality

Inventive Principle:

Principle #26Copying

Solution Approach 2:

The voice cloning technology acts as an intermediary between the automated dialogue system and the human agent. It translates and adapts the human agent's responses to match the automated system's voice characteristics, creating a seamless bridge that maintains user immersion without requiring awareness of the transition

Inventive Principle:

Principle #24Intermediary (Mediator)

2Ease of operation

If the automated dialogue system uses voice cloning to maintain consistent voice tones, then user satisfaction increases, but system complexity increases due to additional processing requirements

Engineering Contradiction:

Improveinteraction smoothnessVSAvoidsystem architecture

Core Design Contradiction:

Ease of operationVSDevice complexity

Solution Approach 1:

The voice cloning model is trained in advance on the automated system's voice characteristics and response patterns. This preliminary training creates a ready-to-use voice clone that can be deployed without real-time processing overhead, reducing the computational burden during actual interactions

Inventive Principle:

Principle #10Preliminary action

Solution Approach 2:

The system replaces complex real-time voice synthesis and tone-matching mechanisms with a pre-trained voice cloning model. This substitution simplifies the architecture by using a single, optimized model rather than multiple interconnected components for voice generation and adaptation

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

Data Source

PatentUS12499887B2Hybrid human-assisted dialogue system

Publication Date: 2025.12.16 SRI INTERNATIONAL

AI summary

An automated interactive voice dialogue system using a human-in-the-loop design may enable human-supported interventions, where the automated system still conducts most of the interaction but enables a human agent to assume control of the dialogue and assist, if deemed necessary, so that the user may continue the interaction with little interruption or frustration. In some examples, the user of the dialogue system of this disclosure may not realize that there was a problem, and that the interaction is being or has switched from an automated dialogue system to a human. In some examples, the automated dialogue system of this disclosure may also automatically switch back to machine interaction when the human agent has resolved the situation.