Hearing Instrument Offline Speech Message Delivery

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Solution Overview

Problem

Users wearing hearing instruments, such as hearing aids, often miss notifications and reminders as they require visual confirmation, which can be inconvenient and disruptive.

Innovation Solution

A hearing instrument system that receives and converts text-based messages from electronic time management and communication tools into speech messages, allowing for timely auditory notification without the need for additional equipment or actions, using a device connected via a Wide-Area-Network for synchronization and message transmission.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If notifications and reminders are delivered through visual displays on computers or mobile devices, then users can see the content of messages, but users wearing hearing instruments may miss these notifications and require additional actions to access them

Engineering Contradiction:
Improvenotification delivery reliabilityVSAvoiduser convenience
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

The patent introduces a hearing instrument as an intermediary device that receives text messages from a communication device, converts them to speech through text-to-speech conversion, and delivers them audibly to the user. This mediator bridges the gap between visual notification systems and hearing-impaired users, allowing them to receive notifications reliably without needing to check visual displays.

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The patent replaces the visual-mechanical interaction (reading text on a display) with an acoustic-electronic system (hearing instrument receiving and playing back speech). The hearing instrument captures text data, converts it to audio signals through text-to-speech processing, and delivers it through acoustic output, substituting the need for visual confirmation with auditory perception.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

2Adaptability or versatility

If text messages are converted to speech messages using text-to-speech processing, then hearing instrument users can receive auditory notifications, but the device complexity increases

Engineering Contradiction:
Improvemessage delivery formatVSAvoidhearing instrument system complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent divides the text-to-speech system into separate functional components: the communication device handles text message reception and initial processing, while the hearing instrument handles speech conversion and auditory output. This segmentation allows each device to specialize in specific functions, reducing the complexity burden on any single device while maintaining overall system versatility.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The hearing instrument is designed with multi-functionality, serving both as a hearing aid for amplifying sounds and as a notification device for delivering text messages as speech. This universal design allows the same device to perform multiple functions, reducing the need for separate specialized devices and thereby managing complexity while increasing adaptability.

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

3Speed

If speech messages are transmitted to the hearing instrument in advance of playback, then data transmission can occur independently of playback timing, but the memory storage requirements increase

Engineering Contradiction:
Improvedata transmission speedVSAvoidmemory storage capacity
Core Design Contradiction:
SpeedVSQuantity of substance

Solution Approach 1:

The patent implements preliminary action by transmitting speech messages to the hearing instrument in advance of their scheduled playback time. Messages are received, converted to speech, and stored in memory before the user needs to hear them. This allows the system to prepare notification content ahead of time, ensuring immediate playback capability when the scheduled time arrives without requiring high-speed real-time transmission.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The system creates copies of text messages in speech format and stores them in the hearing instrument's memory. Rather than transmitting and processing messages in real-time at playback moment, the system pre-converts text to speech and stores the audio copies, allowing fast retrieval and playback while managing memory usage through selective storage of upcoming notifications.

Inventive Principle:
Principle #26Copying

4Loss of time

If the hearing instrument plays back speech messages at scheduled times, then users receive timely reminders and notifications, but the system requires precise timing synchronization

Engineering Contradiction:
Improvenotification timing accuracyVSAvoidtiming synchronization complexity
Core Design Contradiction:
Loss of timeVSDevice complexity

Solution Approach 1:

The patent implements feedback mechanisms where the hearing instrument receives timing information from the communication device, stores it alongside speech messages, and uses it to trigger playback at the correct moment. The system continuously monitors the current time against scheduled playback times and adjusts accordingly, ensuring accurate delivery while managing timing complexity through structured data storage and comparison logic.

Inventive Principle:
Principle #23Feedback

Data Source

PatentEP2814264B1A hearing instrument with off-line speech messages
Publication Date: 2020.05.06 GN HEARING AS
  • EP2814264B1 patent drawingFigure 1
  • EP2814264B1 patent drawingFigure 2
  • EP2814264B1 patent drawingFigure 3

AI summary

A hearing instrument configured for use with a device, the hearing instrument includes: an interface for reception of a message and/or a speech message from the device, wherein the speech message is a converted form of the message and is generated using a text-to-speech processor; a memory for storage of the message and/or the speech message, and a message processor configured for, at a selected time, outputting audio samples of the speech message for transmission to a user of the hearing instrument.