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@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 units: <http://lv2plug.in/ns/extensions/units#> .
<http://lv2plug.in/ns/extensions/units>
a doap:Project ;
doap:name "LV2 Units" ;
doap:shortdesc "Units for LV2 values." ;
doap:created "2007-02-06" ;
doap:homepage <http://lv2plug.in/ns/extensions/units> ;
doap:license <http://opensource.org/licenses/isc> ;
doap:release [
doap:revision "5.12" ;
doap:created "2019-02-03" ;
doap:file-release <http://lv2plug.in/spec/lv2-1.16.0.tar.bz2> ;
dcs:blame <http://drobilla.net/drobilla#me> ;
dcs:changeset [
dcs:item [
rdfs:label "Fix outdated port description in documentation."
] , [
rdfs:label "Remove overly restrictive domain from units:unit."
]
]
] , [
doap:revision "5.10" ;
doap:created "2015-04-07" ;
doap:file-release <http://lv2plug.in/spec/lv2-1.12.0.tar.bz2> ;
dcs:blame <http://drobilla.net/drobilla#me> ;
dcs:changeset [
dcs:item [
rdfs:label "Fix non-existent port type in examples."
] , [
rdfs:label "Add lv2:Parameter to domain of units:unit."
]
]
] , [
doap:revision "5.8" ;
doap:created "2012-10-14" ;
doap:file-release <http://lv2plug.in/spec/lv2-1.2.0.tar.bz2> ;
dcs:blame <http://drobilla.net/drobilla#me> ;
dcs:changeset [
dcs:item [
rdfs:label "Remove units:name in favour of rdfs:label."
] , [
rdfs:label "Use consistent label style."
]
]
] , [
doap:revision "5.6" ;
doap:created "2012-04-17" ;
doap:file-release <http://lv2plug.in/spec/lv2-1.0.0.tar.bz2> ;
dcs:blame <http://drobilla.net/drobilla#me> ;
dcs:changeset [
dcs:item [
rdfs:label "Add unit for audio frames."
] , [
rdfs:label "Add header of URI defines."
] , [
rdfs:label "Merge with unified LV2 package."
]
]
] , [
doap:revision "5.4" ;
doap:created "2011-11-21" ;
doap:file-release <http://lv2plug.in/spec/lv2-units-5.4.tar.bz2> ;
dcs:blame <http://drobilla.net/drobilla#me> ;
dcs:changeset [
dcs:item [
rdfs:label "Make units.ttl a valid OWL 2 DL ontology."
] , [
rdfs:label "Define used but undefined resources (units:name, units:render, units:symbol, units:Conversion, units:conversion, units:prefixConversion, units:to, and units:factor)."
] , [
rdfs:label "Update packaging."
] , [
rdfs:label "Improve documentation."
]
]
] , [
doap:revision "5.2" ;
doap:created "2010-10-05" ;
doap:file-release <http://lv2plug.in/spec/lv2-units-5.2.tar.bz2> ;
dcs:blame <http://drobilla.net/drobilla#me> ;
dcs:changeset [
dcs:item [
rdfs:label "Add build system (for installation)."
] , [
rdfs:label "Convert documentation to HTML and use lv2:documentation."
]
]
] , [
doap:revision "5.0" ;
doap:created "2010-10-05" ;
doap:file-release <http://lv2plug.in/spec/lv2-units-5.0.tar.gz> ;
dcs:blame <http://drobilla.net/drobilla#me> ;
dcs:changeset [
dcs:item [
rdfs:label "Initial release."
] , [
rdfs:label "Define used but undefined resources (units:name, units:render, units:symbol, units:Conversion, units:conversion, units:prefixConversion, units:to, and units:factor)."
] , [
rdfs:label "Update packaging."
] , [
rdfs:label "Improve documentation."
]
]
] ;
doap:developer <http://plugin.org.uk/swh.xrdf#me> ;
doap:maintainer <http://drobilla.net/drobilla#me> ;
lv2:documentation """
This is a vocabulary for units typically used for control values in audio
processing.
For example, to say that a gain control is in decibels:
:::turtle
@prefix units: <http://lv2plug.in/ns/extensions/units#> .
@prefix eg: <http://example.org/> .
eg:plugin lv2:port [
a lv2:ControlPort , lv2:InputPort ;
lv2:index 0 ;
lv2:symbol "gain" ;
lv2:name "Gain" ;
units:unit units:db
] .
Using the same form, plugins may also specify one-off units inline, to give
better display hints to hosts:
:::turtle
eg:plugin lv2:port [
a lv2:ControlPort , lv2:InputPort ;
lv2:index 0 ;
lv2:symbol "frob" ;
lv2:name "frob level" ;
units:unit [
a units:Unit ;
rdfs:label "frobnication" ;
units:symbol "fr" ;
units:render "%f f"
]
] .
It is also possible to define conversions between various units, which makes it
possible for hosts to automatically convert between units where possible. The
units defined in this extension include conversion definitions where it makes
sense to do so.
"""^^lv2:Markdown .
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