Time Rules for English (United States)

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The Time rules recognize expressions of time based on a 12-hour clock.

When the user does not specify morning or afternoon, the Time rule returns a value in the Hour element representing the hours from 7 A.M. to 6 P.M. as the assumed value and a value in the AlternateHour hour element representing the hours from 7 P.M. to 6 A.M.

The Time rules recognize expressions such as the following: twelve a. m.; seven o'clock; seven thirty p.m.; five minutes before six o'clock p. m.; two past ten; a quarter till ten; half past three o'clock p.m.; three fifteen; six twenty at night; ten of five; two in the morning.

Rules

Time

Time_Hour

Time_HourNum

Time_BeforeAfter

Time_Minute

Time_AmPm

Usage

<ruleref uri="Library.grxml#Time" type="application/srgs+xml"/>
<ruleref uri="Library.grxml#Time_Hour" type="application/srgs+xml"/>
<ruleref uri="Library.grxml#Time_HourNum" type="application/srgs+xml"/>
<ruleref uri="Library.grxml#Time_BeforeAfter" type="application/srgs+xml"/>
<ruleref uri="Library.grxml#Time_Minute" type="application/srgs+xml"/>
<ruleref uri="Library.grxml#Time_AmPm" type="application/srgs+xml"/>

The grammar can be used as follows (using the Time rule as an example).

<grammar xmlns:sapi="http://schemas.microsoft.com/Speech/2002/06/SRGSExtensions"
         xml:lang="en-US" tag-format="semantics-ms/1.0" version="1.0" mode="voice"
         root="Rule1" xmlns="http://www.w3.org/2001/06/grammar">
    <rule id="Rule1" scope="public">
        <ruleref uri="Library.grxml#Time" type="application/srgs+xml"/>
    <tag>$ = $$</tag>
    </rule>
</grammar>

JScript Objects

$Time.Hour
????????$Time.Hour._value: integer [0...23]
????????$Time.Hour._name: string ["Assumed", "Explicit"]
$Time.Minute
????????$Time.Minute: integer [0...59]
$Time.AlternateHour._value: integer [0...23]

$Time_Hour
????????$Time_Hour.Hour
????????????????$Time_Hour.Hour._value: integer [0...23]
????????????????$Time_Hour.Hour._name: string ["Assumed", "Explicit"]
????????$Time_Hour.AlternateHour._value: integer [0...23] optional

$Time_HourNum
????????$Time_HourNum._value: integer [1...12]

$Time_BeforeAfter
????????$Time_BeforeAfter._value: integer [-59...59]

$Time_Minute
????????$Time_Minute._value: integer [1...59]

$Time_AmPm
????????$Time_AmPm._value: string ["AM", "PM"]

Examples: Time

Example 1

User says: "Seven thirty P. M."

SML returned by the recognition engine.

<SML text="seven thirty P. M." utteranceConfidence="1.000" confidence="1.000">

????????<Hour confidence="1.000" name="Explicit">19</Hour>

????????<Minute confidence="1.000">30</Minute>

</SML>

Example 2

User says: "Seven thirty."

SML returned by the recognition engine.

<SML text="seven thirty" utteranceConfidence="1.000" confidence="1.000">

????????<Hour confidence="1.000" name="Assumed">7</Hour>

????????????????<Minute confidence="1.000">30</Minute>

????????????????<AlternateHour confidence="1.000">19</AlternateHour>

</SML>

Examples: Time_BeforeAfter

Example 1

User says: "A quarter after."

SML returned by the recognition engine.

<SML text="a quarter after" utteranceConfidence="1.000" confidence="1.000">15</SML>

Example 2

User says: "Forty three till."

SML returned by the recognition engine.

<SML text="forty three till" utteranceConfidence="1.000" confidence="1.000">-43</SML>

Examples: Time_AmPm

Example 1

User says: "A.M."

SML returned by the recognition engine.

<SML text="A. M." utteranceConfidence="1.000" confidence="1.000">AM</SML>

Example 2

User says: "In the evening."

SML returned by the recognition engine.

<SML text="in the evening" utteranceConfidence="1.000" confidence="1.000">PM</SML>

See Also

Concepts

Voice Mode Grammar Library for English (United States)