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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 pg: <http://lv2plug.in/ns/ext/port-groups#> . @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <http://lv2plug.in/ns/ext/port-groups> a doap:Project ; doap:license <http://opensource.org/licenses/isc> ; doap:name "LV2 Port Groups" ; doap:shortdesc "Multi-channel groups of LV2 ports." ; doap:created "2008-00-00" ; doap:developer <http://lv2plug.in/ns/meta#larsl> , <http://drobilla.net/drobilla#me> ; doap:release [ doap:revision "1.4" ; doap:created "2020-04-26" ; doap:file-release <http://lv2plug.in/spec/lv2-1.18.0.tar.bz2> ; dcs:blame <http://drobilla.net/drobilla#me> ; dcs:changeset [ dcs:item [ rdfs:label "Replace broken links with detailed Ambisonic channel descriptions." ] , [ rdfs:label "Remove incorrect type of pg:letterCode." ] ] ] , [ doap:revision "1.2" ; 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 "Use consistent label style." ] ] ] , [ doap:revision "1.0" ; 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 "Initial release." ] ] ] . pg:Group lv2:documentation """ A group logically combines ports which should be considered part of the same stream. For example, two audio ports in a group may form a stereo stream. Like ports, groups have a lv2:symbol that is unique within the context of the plugin, where group symbols and port symbols reside in the same namespace. In other words, a group on a plugin MUST NOT have the same symbol as any other group or port on that plugin. This makes it possible to uniquely reference a port or group on a plugin with a single identifier and no context. Group definitions may be shared across plugins for brevity. For example, a plugin collection may define a single URI for a pg:StereoGroup with the symbol "input" and use it in many plugins. """^^lv2:Markdown . pg:sideChainOf lv2:documentation """ Indicates that this port or group should be considered a "side chain" of some other port or group. The precise definition of "side chain" depends on the plugin, but in general this group should be considered a modifier to some other group, rather than an independent input itself. """^^lv2:Markdown . pg:subGroupOf lv2:documentation """ Indicates that this group is a child of another group. This property has no meaning with respect to plugin execution, but the host may find this information useful to provide a better user interface. Note that being a sub-group does not relax the restriction that the group MUST have a unique symbol with respect to the plugin. """^^lv2:Markdown . pg:source lv2:documentation """ Indicates that this port or group should be considered the "result" of some other port or group. This property only makes sense on groups with outputs when the source is a group with inputs. This can be used to convey a relationship between corresponding input and output groups with different types, for example in a mono to stereo plugin. """^^lv2:Markdown . pg:mainInput lv2:documentation """ Indicates that this group should be considered the "main" input, i.e. the primary task is processing the signal in this group. A plugin MUST NOT have more than one pg:mainInput property. """^^lv2:Markdown . pg:mainOutput lv2:documentation """ Indicates that this group should be considered the "main" output. The main output group SHOULD have the main input group as a pg:source. """^^lv2:Markdown . pg:group lv2:documentation """ Indicates that this port is a part of a group of ports on the plugin. The port should also have an lv2:designation property to define its designation within that group. """^^lv2:Markdown . pg:DiscreteGroup lv2:documentation """ These groups are divided into channels where each represents a particular speaker location. The position of sound in one of these groups depends on a particular speaker configuration. """^^lv2:Markdown . pg:AmbisonicGroup lv2:documentation """ These groups are divided into channels which together represent a position in an abstract n-dimensional space. The position of sound in one of these groups does not depend on a particular speaker configuration; a decoder can be used to convert an ambisonic stream for any speaker configuration. """^^lv2:Markdown .