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| look it up. I know very little. | Direct Voice Input (DVI) (sometimes called Voice Input Control (VIC)) is a style of Human-Machine Interaction "HMI" in which the user makes voice commands to issue instructions to the machine. It has found some usage in the design of the cockpits of several modern military aircraft, particularly the Eurofighter Typhoon, the F-35 Lightning II, the Dassault Rafale and the JAS 39 Gripen, having been trialled on earlier fast jets such as the Harrier AV-8B and F-16 VISTA. A study has also been undertaken by the Royal Netherlands Air Force using voice control in a F-16 simulator.[1] Always use "user-independent" systems for general use... only build user voice profiles (user dependent) when needed, such as for specialized languages or libraries of words. |
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| == Solution == |
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| Voice Command - use voice to input a limited number of commands; akin to use of '''[[Accesskeys]]''' but with a larger set of commands. big problem in affordance much like gestural or other touch commands, they are not on screen and generally cannot be due to space... text - speech recognition (voice recognition implies user dependent input)... to type with the voice |
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| usually, mobile devices use key or touch input and visual output, so have to initiate any voice input from one of these methods... to support low-sighted users or eyes-off use cases, suggest a key or key-combination. common one is something already associated with audio like speakerphone, as a long press when active, should make a '''[[Tone]]''' or voice readback/reminder of the condition (e.g. "Say a command")... after this, the system accepts input. when done, usually should read back what was entered... during this, much like pen input where you get a correction time, "no" wipes or allows for selection from a list... |
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| Audio systems and processing cannot be relied on to be full duplex so don't get in the way with too-fast response, etc. |
Direct Voice Input (DVI) (sometimes called Voice Input Control (VIC)) is a style of Human-Machine Interaction "HMI" in which the user makes voice commands to issue instructions to the machine. It has found some usage in the design of the cockpits of several modern military aircraft, particularly the Eurofighter Typhoon, the F-35 Lightning II, the Dassault Rafale and the JAS 39 Gripen, having been trialled on earlier fast jets such as the Harrier AV-8B and F-16 VISTA. A study has also been undertaken by the Royal Netherlands Air Force using voice control in a F-16 simulator.[1]
Always use "user-independent" systems for general use... only build user voice profiles (user dependent) when needed, such as for specialized languages or libraries of words.
Problem
Solution
Variations
Voice Command - use voice to input a limited number of commands; akin to use of Accesskeys but with a larger set of commands. big problem in affordance much like gestural or other touch commands, they are not on screen and generally cannot be due to space...
text - speech recognition (voice recognition implies user dependent input)... to type with the voice
Interaction Details
usually, mobile devices use key or touch input and visual output, so have to initiate any voice input from one of these methods... to support low-sighted users or eyes-off use cases, suggest a key or key-combination. common one is something already associated with audio like speakerphone, as a long press
when active, should make a Tone or voice readback/reminder of the condition (e.g. "Say a command")... after this, the system accepts input.
when done, usually should read back what was entered...
during this, much like pen input where you get a correction time, "no" wipes or allows for selection from a list...
Presentation Details
Antipatterns
Audio systems and processing cannot be relied on to be full duplex so don't get in the way with too-fast response, etc.