Wireless Headset Speech Recognition via Remote Processing
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Solution Overview
Problem
Current wireless headsets lack effective speech recognition functionality, which is a natural interface for such devices, limiting their interaction capabilities with speech recognition-enabled systems.
Innovation Solution
A portable wireless-enabled system comprising an input transducer, an output transducer, a wireless transceiver system, and a memory with a programmable user speech recognition profile, controlled by a processor system, enabling wireless interaction with speech recognition-enabled devices.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If wireless headsets are designed for basic audio functionality, then wireless connectivity and portability are achieved, but speech recognition capability is lost or severely limited
Solution Approach 1:
The patent introduces a remote computing device as an intermediary that performs the complex speech recognition processing. The wireless headset contains only minimal speech recognition components (microphone, processor, memory) to capture and transmit speech data, while the actual recognition engine resides on the remote device. This mediator approach allows the headset to gain speech recognition capability without bearing the full complexity burden.
Solution Approach 2:
The speech recognition system is segmented into two parts: a lightweight client component in the wireless headset and a full-featured speech recognition engine in the remote computing device. The headset handles speech capture and basic processing, while the remote device performs comprehensive recognition and interpretation. This segmentation enables the headset to maintain simplicity while achieving advanced functionality.
2Adaptability or versatility
If speech recognition processing is performed locally in the wireless headset, then speech recognition functionality is achieved, but power consumption and processing requirements increase
Solution Approach 1:
The remote computing device acts as an intermediary that assumes the energy-intensive speech recognition processing tasks. The wireless headset only performs low-power operations such as capturing speech via microphone and transmitting the audio data wirelessly. By offloading the complex recognition processing to the remote device, the headset's power consumption remains minimal while still providing full speech recognition functionality.
3Measurement precision
If wireless headsets include comprehensive speech recognition engines, then speech recognition accuracy is improved, but device size and complexity increase
Solution Approach 1:
The patent extracts the bulky speech recognition engine from the wireless headset and places it in the remote computing device. The headset retains only the essential components needed for speech capture (microphone) and wireless communication. This extraction allows the system to achieve high speech recognition accuracy through the comprehensive engine in the remote device while keeping the headset compact and portable.
4Ease of operation
If wireless headsets are designed with minimal components for portability, then ease of use and portability are achieved, but interaction capabilities with speech recognition systems are limited
Solution Approach 1:
The patent implements a universal interface layer in the wireless headset that can communicate with multiple different speech recognition systems and devices. The headset uses standard wireless communication protocols and a flexible processor that can adapt to various speech recognition engines. This universality allows the simple, portable headset design to interact seamlessly with diverse speech recognition systems, maintaining both ease of use and broad adaptability.
Data Source
AI summary
A portable wireless-enabled system includes an input transducer (for example, a microphone), an output transducer (for example, a speaker) and a wireless transceiver system. Also included, is a memory having a programmable user speech profile. A processor system controls operation of the input transducer, the output transducer, the wireless transceiver system and the memory.