Real-Time Speech-to-Text Translation Device with Offline Capability

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Solution Overview

Problem

Existing translation devices often limit translation to either speech-to-speech or text-to-text, and may not be suitable for plug-and-play multimedia connections or handheld field applications, particularly in scenarios requiring offline operation.

Innovation Solution

A portable translation device capable of real-time speech-to-text conversion between different languages, featuring an integrated processing unit with automatic speech recognition and large language models, and supporting plug-and-play multimedia connections and handheld field applications, including offline operation.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If translation devices are designed for speech-to-speech or text-to-text conversion only, then the device complexity is reduced, but the adaptability and versatility are limited

Engineering Contradiction:
Improvetranslation capabilityVSAvoiddevice complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The translation device is designed to perform multiple translation functions including speech-to-text, text-to-speech, speech-to-speech, and text-to-text conversion within a single integrated system. The processing unit can selectively execute different translation modes based on user input, allowing the device to adapt to various communication needs without requiring separate specialized devices for each function type.

Inventive Principle:
Principle #6Universality (Multi-functionality)

2Ease of operation

If translation devices require additional devices such as smartphones or operating systems, then the processing power is enhanced, but the ease of operation and portability are reduced

Engineering Contradiction:
Improveease of operationVSAvoiddevice complexity
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The patent integrates the processing unit, speech recognition capabilities, text-to-speech synthesis, and translation algorithms directly into the translation device itself, eliminating the need for external smartphones or separate operating systems. This consolidation allows the device to function independently as a complete translation solution, improving ease of operation by removing dependency on additional devices while maintaining sophisticated translation capabilities through the integrated processing unit.

Inventive Principle:
Principle #5Merging (Combining)

Data Source

PatentUS20250166630A1Translation device
Publication Date: 2025.05.22 DAVINCIA LLC D B A LINK ELECTRONICS
  • US20250166630A1 patent drawing
  • US20250166630A1 patent drawing
  • US20250166630A1 patent drawing

AI summary

A translation device provides real-time speech-to-text conversion between different languages while maintaining original audio. The device includes an input port for receiving audio in a first language, an output port for displaying text in a second language, and a processing unit for translation. The processing unit incorporates an automatic speech recognition engine and large language model to enable accurate real-time translation. The technology is implemented in two primary configurations: a plug-and-play unit for multimedia applications and a portable handheld unit for field deployment. The plug-and-play version connects to entertainment systems through HDMI interfaces and allows users to control translation settings via smartphone or remote. The portable version includes a built-in display, microphone, and battery power for field operations.