G83 – Remove sound distractions.

Standard

Guideline:

Remove sound distractions.

Guideline Description:

In a user interface that needs reproducing speech to give information’s to the users, others sounds present in the interface should be removed, because this sound will form background noise, which affects the hearing of the older adults.

Example:

exemplo G83An example of an application with option to disable sound distractions.

Source:

Healthcare TV Based User Interfaces for Older Adults, 2010

Tags:

Audio, Elderly

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G82 – Control the background noise.

Standard

Guideline:

Control the background noise.

Guideline Description:

Background noise affects the hearing of the older adults. Due to this factor, the background  noise should be controlled in order to promote a better hearing,using a mechanism of adjustment in the interface and selecting a quiet environment place for testing.

Example:

exemplo G82

An example of an application with controls of the background noise.

Source:

Healthcare TV Based User Interfaces for Older Adults, 2010
Design Principles to Accommodate Older Adults,2012

Tags:

Adaptability, Audio, Elderly.

G81 – Read speech at a consistent and reasonable pace.

Standard

Guideline:

Read speech at a consistent and reasonable pace.

Guideline Description:

Using fast speed reading, older adults with hearing impairment may not understand, on the other hand, using slow speed reading, older adults may cause problems processing information because of decrease in short-term memory. For these reasons, reading for an older adult, should use a consistent and reasonable pace, according to listener capabilities.

Example:

exemplo G81

An example of reading for an older adult, which should use consistent and reasonable pace.

Source:

Healthcare TV Based User Interfaces for Older Adults, 2010
Design Principles to Accommodate Older Adults,2012

Tags:

Audio, Communication, Elderly, Language.

G80 – Create speech that is redundant, semantically well structured.

Standard

Guideline:

Create speech that is redundant, semantically well structured.

Guideline Description:

The use of redundancy i.e. construction of a phrase that presents some idea using more information, in order to enabling the understanding of the idea transmitted and semantically well-structured phrases, increase the speech intelligibility by older adults.

Example:

exemplo G80

During a dialogue with older adults, the use of well structured and redundant messages increase speech inteligibility.

Source:

Healthcare TV Based User Interfaces for Older Adults, 2010

Tags:

Audio, Communication, Elderly, Language, Testing.

G79 – Do not use synthetic speech unless it resembles natural speech correctly.

Standard

Guideline:

Do not use synthetic speech unless it resembles natural speech correctly.

Guideline Description:

The use of synthesized speech in the user interface may be not understandable. Older adults appreciate more the contextual and nonverbal aspects of speech such as rhythm and tone, if the synthesized speech does not contemplate these characteristics, communication is likely to be harder.

Example:

exemplo G79An example of an application using synthesized speech, whose its use should be avoid with older users.

Source:

Healthcare TV Based User Interfaces for Older Adults, 2010
Design Principles to Accommodate Older Adults,2012

Tags:

Audio, Communication, Elderly, Language.

G78 – Use male voices for delivering auditory information.

Standard

Guideline:

Use male voices for delivering auditory information.

Guideline Description:

Older adults have in general some limitations in hearing of high frequency sounds. Women and children have a higher pitched voice, and for this reason should not be used for delivering  auditory information. Male voices are most appropriate to this end.

Example:

exemplo G78
An example of an application with option of the use of a female and male voice. In the case of older users, the male voice is preferable.

Source:

Healthcare TV Based User Interfaces for Older Adults, 2010
Design Principles to Accommodate Older Adults,2012

Tags:
Audio, Communication,Elderly, Information, Voice.

G77 – Increase duration of sound signals.

Standard

Guideline:

Increase duration of sound signals.

Guideline Description:

To face the limitations of auditory capabilities of older adults it is important increasing sound duration for a better hearing. For example, in the case of use of a signal sound with high frequency (>2000 Hz), use longer duration (>0.5 s).

Example:

exemplo G77An example of a sound with 44100Hz of frequency and 1.8s of duration.

Source:

Healthcare TV Based User Interfaces for Older Adults, 2010
Design Principles to Accommodate Older Adults,2012

Tags:

Adaptability,Audio, Elderly.