@prefix dcat: <http://www.w3.org/ns/dcat#> .
@prefix dct: <http://purl.org/dc/terms/> .
@prefix foaf: <http://xmlns.com/foaf/0.1/> .
@prefix vcard: <http://www.w3.org/2006/vcard/ns#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

<https://data.amerigeoss.org/dataset/12d9f22e-def9-4d57-8db0-f389f1381859> a dcat:Dataset ;
    dct:description """Mouth-to-ear (M2E) latency describes the time it takes speech input in a voice communication
transmit device to be output from a receiving device, and has been identified as
a key component of quality of experience (QoE) in communications. NIST's PSCR division
developed a method to measure and quantify the M2E latency of any communications
system transmitting audio, with specific emphasis on push to talk (PTT) devices. This
measurement method is the first step in establishing QoE key performance indicators (KPI)
for mission critical voice (MCV) and a measurement system to quantify these QoE KPIs.
Additional measurement methods will be established and published in the near future.

The measurement system provides a fair platform for the comparisons of M2E latency
across radio communications technologies. Both single and two location measurement
systems were developed. The single location measurement system is a simpler setup ideal
for measurements performed in a single, controlled setting. The two location system allows
for the measurement of M2E latency between devices in two distinct locations and adds the
capability to see potential effects of distance and signal propagation on the latency a user
experiences. Example measurements of the M2E latency of VHF and UHF land mobile
radios (LMR) operating in both direct mode and in trunked mode were performed. These
tests demonstrated that both the single and two location tests return consistent measurement
results.
""" ;
    dct:identifier "12d9f22e-def9-4d57-8db0-f389f1381859" ;
    dct:issued "2025-11-29T02:18:18.800274"^^xsd:dateTime ;
    dct:modified "2025-11-29T02:18:18.800278"^^xsd:dateTime ;
    dct:publisher <https://data.amerigeoss.org/organization/727dbdd5-3f98-4ac0-9d28-5e344558139b> ;
    dct:title "MCV QoE Mouth To Ear Latency Measurement Data" ;
    dcat:contactPoint [ a vcard:Organization ;
            vcard:fn "Silas Thompson" ;
            vcard:hasEmail <mailto:silas.thompson@nist.gov> ] ;
    dcat:distribution <https://data.amerigeoss.org/dataset/12d9f22e-def9-4d57-8db0-f389f1381859/resource/3509f8d4-cb77-42d6-8557-887610099b6e>,
        <https://data.amerigeoss.org/dataset/12d9f22e-def9-4d57-8db0-f389f1381859/resource/3e6c9dd4-5718-4fc0-aa18-de52cd9da48c>,
        <https://data.amerigeoss.org/dataset/12d9f22e-def9-4d57-8db0-f389f1381859/resource/499c172f-7de8-4f7a-94a7-b24a5b0b56ba>,
        <https://data.amerigeoss.org/dataset/12d9f22e-def9-4d57-8db0-f389f1381859/resource/794d0e12-65fd-4cdd-81af-90134543a2d6>,
        <https://data.amerigeoss.org/dataset/12d9f22e-def9-4d57-8db0-f389f1381859/resource/8aa53e64-4398-4b28-aaa3-9952c05bde09>,
        <https://data.amerigeoss.org/dataset/12d9f22e-def9-4d57-8db0-f389f1381859/resource/91685d6f-d06d-4de7-8bc8-fb67f81ce2c3>,
        <https://data.amerigeoss.org/dataset/12d9f22e-def9-4d57-8db0-f389f1381859/resource/9354b144-1cca-4256-a6bf-95d13035a7a9>,
        <https://data.amerigeoss.org/dataset/12d9f22e-def9-4d57-8db0-f389f1381859/resource/b89ab193-de64-496d-823d-8eedfd4b3dfb>,
        <https://data.amerigeoss.org/dataset/12d9f22e-def9-4d57-8db0-f389f1381859/resource/f7286f1f-633d-4827-b7dc-a0b879bea9b8> ;
    dcat:keyword "amerigeo",
        "amerigeoss",
        "ckan",
        "geo",
        "geoss",
        "national",
        "north-america",
        "united-states" .

<https://data.amerigeoss.org/dataset/12d9f22e-def9-4d57-8db0-f389f1381859/resource/3509f8d4-cb77-42d6-8557-887610099b6e> a dcat:Distribution ;
    dct:format "TEXT" ;
    dct:issued "2018-04-10T15:04:19.755275"^^xsd:dateTime ;
    dct:modified "2025-11-29T02:18:18.790506"^^xsd:dateTime ;
    dct:title "Text File" ;
    dcat:accessURL <https://s3.amazonaws.com/nist-midas/1865/README.txt.sha256> ;
    dcat:mediaType "text/plain" .

<https://data.amerigeoss.org/dataset/12d9f22e-def9-4d57-8db0-f389f1381859/resource/3e6c9dd4-5718-4fc0-aa18-de52cd9da48c> a dcat:Distribution ;
    dct:description "Processed-Audio.zip" ;
    dct:format "ZIP" ;
    dct:issued "2018-04-10T15:04:19.755312"^^xsd:dateTime ;
    dct:modified "2025-11-29T02:18:18.793064"^^xsd:dateTime ;
    dct:title "Zip File" ;
    dcat:accessURL <https://s3.amazonaws.com/nist-midas/1865/Processed-Audio.zip> ;
    dcat:mediaType "application/zip" .

<https://data.amerigeoss.org/dataset/12d9f22e-def9-4d57-8db0-f389f1381859/resource/499c172f-7de8-4f7a-94a7-b24a5b0b56ba> a dcat:Distribution ;
    dct:format "TEXT" ;
    dct:issued "2018-04-10T15:04:19.755303"^^xsd:dateTime ;
    dct:modified "2025-11-29T02:18:18.791866"^^xsd:dateTime ;
    dct:title "Text File" ;
    dcat:accessURL <https://s3.amazonaws.com/nist-midas/1865/Delay_Values.zip.sha256> ;
    dcat:mediaType "text/plain" .

<https://data.amerigeoss.org/dataset/12d9f22e-def9-4d57-8db0-f389f1381859/resource/794d0e12-65fd-4cdd-81af-90134543a2d6> a dcat:Distribution ;
    dct:format "TEXT" ;
    dct:issued "2018-04-10T15:04:19.755295"^^xsd:dateTime ;
    dct:modified "2025-11-29T02:18:18.790932"^^xsd:dateTime ;
    dct:title "Text File" ;
    dcat:accessURL <https://s3.amazonaws.com/nist-midas/1865/Processed-Audio.zip.sha256> ;
    dcat:mediaType "text/plain" .

<https://data.amerigeoss.org/dataset/12d9f22e-def9-4d57-8db0-f389f1381859/resource/8aa53e64-4398-4b28-aaa3-9952c05bde09> a dcat:Distribution ;
    dct:description "Raw%20Data.zip" ;
    dct:format "ZIP" ;
    dct:issued "2018-04-10T15:04:19.755309"^^xsd:dateTime ;
    dct:modified "2025-11-29T02:18:18.792690"^^xsd:dateTime ;
    dct:title "Zip File" ;
    dcat:accessURL <https://s3.amazonaws.com/nist-midas/1865/Raw%20Data.zip> ;
    dcat:mediaType "application/zip" .

<https://data.amerigeoss.org/dataset/12d9f22e-def9-4d57-8db0-f389f1381859/resource/91685d6f-d06d-4de7-8bc8-fb67f81ce2c3> a dcat:Distribution ;
    dct:format "TEXT" ;
    dct:issued "2018-04-10T15:04:19.755300"^^xsd:dateTime ;
    dct:modified "2025-11-29T02:18:18.791386"^^xsd:dateTime ;
    dct:title "Text File" ;
    dcat:accessURL <https://s3.amazonaws.com/nist-midas/1865/Raw%20Data.zip.sha256> ;
    dcat:mediaType "text/plain" .

<https://data.amerigeoss.org/dataset/12d9f22e-def9-4d57-8db0-f389f1381859/resource/9354b144-1cca-4256-a6bf-95d13035a7a9> a dcat:Distribution ;
    dct:description "Delay_Values.zip" ;
    dct:format "ZIP" ;
    dct:issued "2018-04-10T15:04:19.755315"^^xsd:dateTime ;
    dct:modified "2025-11-29T02:18:18.793467"^^xsd:dateTime ;
    dct:title "Zip File" ;
    dcat:accessURL <https://s3.amazonaws.com/nist-midas/1865/Delay_Values.zip> ;
    dcat:mediaType "application/zip" .

<https://data.amerigeoss.org/dataset/12d9f22e-def9-4d57-8db0-f389f1381859/resource/b89ab193-de64-496d-823d-8eedfd4b3dfb> a dcat:Distribution ;
    dct:description "README.txt" ;
    dct:format "TEXT" ;
    dct:issued "2018-04-10T15:04:19.755306"^^xsd:dateTime ;
    dct:modified "2025-11-29T02:18:18.792303"^^xsd:dateTime ;
    dct:title "Text File" ;
    dcat:accessURL <https://s3.amazonaws.com/nist-midas/1865/README.txt> ;
    dcat:mediaType "text/plain" .

<https://data.amerigeoss.org/dataset/12d9f22e-def9-4d57-8db0-f389f1381859/resource/f7286f1f-633d-4827-b7dc-a0b879bea9b8> a dcat:Distribution ;
    dct:description "DOI access to MCV QoE Mouth to Ear Latency Measurement Data" ;
    dct:format "HTML" ;
    dct:issued "2018-04-10T15:04:19.755318"^^xsd:dateTime ;
    dct:modified "2025-11-29T02:18:18.793864"^^xsd:dateTime ;
    dct:title "DOI access to MCV QoE Mouth to Ear Latency Measurement Data" ;
    dcat:accessURL <https://doi.org/10.18434/T4/1422492> .

<https://data.amerigeoss.org/organization/727dbdd5-3f98-4ac0-9d28-5e344558139b> a foaf:Agent ;
    foaf:name "US Migrating" .