diff options
Diffstat (limited to 'lv2/time/time.meta.ttl')
-rw-r--r-- | lv2/time/time.meta.ttl | 63 |
1 files changed, 61 insertions, 2 deletions
diff --git a/lv2/time/time.meta.ttl b/lv2/time/time.meta.ttl index c735f22..2b99cb7 100644 --- a/lv2/time/time.meta.ttl +++ b/lv2/time/time.meta.ttl @@ -1,12 +1,14 @@ @prefix dcs: <http://ontologi.es/doap-changeset#> . @prefix doap: <http://usefulinc.com/ns/doap#> . @prefix foaf: <http://xmlns.com/foaf/0.1/> . +@prefix lv2: <http://lv2plug.in/ns/lv2core#> . @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . +@prefix time: <http://lv2plug.in/ns/ext/time#> . <http://lv2plug.in/ns/ext/time> a doap:Project ; doap:name "LV2 Time" ; - doap:shortdesc "Properties for describing time." ; + doap:shortdesc "A vocabulary for describing musical time." ; doap:created "2011-10-05" ; doap:developer <http://drobilla.net/drobilla#me> ; doap:release [ @@ -49,5 +51,62 @@ rdfs:label "Initial release." ] ] - ] . + ] ; + lv2:documentation """ + +This is a vocabulary for describing a position in time and the speed of time +passage, in both real and musical terms. + +In addition to real time (based on seconds), two units of time are used: +_frames_ and _beats_. A frame is a numbered quantum of time. Frame time is +related to real-time by the _frame rate_ or _sample rate_, +time:framesPerSecond. A beat is a single pulse of musical time. Beat time is +related to real-time by the _tempo_, time:beatsPerMinute. + +Musical time additionally has a _meter_ which describes passage of time in +terms of musical _bars_. A bar is a higher level grouping of beats. The meter +describes how many beats are in one bar. + +"""^^lv2:Markdown . + +time:Position + lv2:documentation """ + +A point in time and/or the speed at which time is passing. A position is both +a point and a speed, which precisely defines a time within a timeline. + +"""^^lv2:Markdown . + +time:Rate + lv2:documentation """ + +The rate of passage of time in terms of one unit with respect to another. + +"""^^lv2:Markdown . + +time:beat + lv2:documentation """ + +This is not the beat within a bar like time:barBeat, but relative to the same +origin as time:bar and monotonically increases unless the transport is +repositioned. + +"""^^lv2:Markdown . + +time:beatUnit + lv2:documentation """ + +Beat unit, the note value that counts as one beat. This is the bottom number +in a time signature: 2 for half note, 4 for quarter note, and so on. + +"""^^lv2:Markdown . + +time:speed + lv2:documentation """ + +The rate of the progress of time as a fraction of normal speed. For example, a +rate of 0.0 is stopped, 1.0 is rolling at normal speed, 0.5 is rolling at half +speed, -1.0 is reverse, and so on. + +"""^^lv2:Markdown . |