{"id":6450,"number":"26.243","type":"TS","title":"ANSI-C code for the fixed-point distributed speech recognition extended advanced front-end","series":26,"status":"Under change control","initial_release":"Rel-6","primary_group":"S4","secondary_groups":[],"portal_id":1440,"portal_url":"https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=1440","dynareport_url":"https://www.3gpp.org/dynareport/26243.htm","publication_scope":null,"radio_technologies":[],"first_seen_at":"2026-09-16T11:04:53.350359+00:00","updated_at":"2026-10-16T09:34:55.609033+00:00","raw_metadata":{"source_url":"https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=1440","bibliography_source":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv"},"detail_synced_at":"2026-10-08T00:19:19.149233+00:00","versions":[{"release":"Rel-19","version":"19.0.0","meeting":"SA#109","upload_date":"2025-10-31","comment":"","official_file_url":"https://www.3gpp.org/ftp/Specs/archive/26_series/26.243/26243-j00.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":null,"version_status":null},{"release":"Rel-18","version":"18.0.0","meeting":"SA#103","upload_date":"2024-05-15","comment":"Automatic upgrade from previo...","official_file_url":"https://www.3gpp.org/ftp/Specs/archive/26_series/26.243/26243-i00.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":null,"version_status":null},{"release":"Rel-17","version":"17.0.0","meeting":"SA#95-e","upload_date":"2022-04-07","comment":"","official_file_url":"https://www.3gpp.org/ftp/Specs/archive/26_series/26.243/26243-h00.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":null,"version_status":null},{"release":"Rel-16","version":"16.0.0","meeting":"SA#88-e","upload_date":"2020-07-21","comment":"","official_file_url":"https://www.3gpp.org/ftp//Specs/archive/26_series/26.243/26243-g00.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":null,"version_status":null},{"release":"Rel-15","version":"15.0.0","meeting":"SA#80","upload_date":"2018-06-22","comment":"","official_file_url":"https://www.3gpp.org/ftp//Specs/archive/26_series/26.243/26243-f00.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":null,"version_status":null},{"release":"Rel-14","version":"14.0.0","meeting":"SA#75","upload_date":"2017-03-17","comment":"","official_file_url":"https://www.3gpp.org/ftp//Specs/archive/26_series/26.243/26243-e00.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":null,"version_status":null},{"release":"Rel-13","version":"13.0.0","meeting":"SA#70","upload_date":"2015-12-18","comment":"","official_file_url":"https://www.3gpp.org/ftp/Specs/archive/26_series/26.243/26243-d00.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":null,"version_status":null},{"release":"Rel-12","version":"12.0.0","meeting":"SA#65","upload_date":"2014-09-26","comment":"Automatic upgrade from previo...","official_file_url":"https://www.3gpp.org/ftp/Specs/archive/26_series/26.243/26243-c00.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":null,"version_status":null},{"release":"Rel-11","version":"11.1.0","meeting":"SA#62","upload_date":"2013-12-19","comment":"","official_file_url":"https://www.3gpp.org/ftp/Specs/archive/26_series/26.243/26243-b10.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":41655,"version_status":null},{"release":"Rel-11","version":"11.0.0","meeting":"SA#57","upload_date":"2012-09-21","comment":"Automatic upgrade from previo...","official_file_url":"https://www.3gpp.org/ftp/Specs/archive/26_series/26.243/26243-b00.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":null,"version_status":null},{"release":"Rel-10","version":"10.0.0","meeting":"SA#51","upload_date":"2011-04-05","comment":"Automatic upgrade from previo...","official_file_url":"https://www.3gpp.org/ftp/Specs/archive/26_series/26.243/26243-a00.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":null,"version_status":null},{"release":"Rel-9","version":"9.0.0","meeting":"SA#46","upload_date":"2009-12-18","comment":"Automatic upgrade from previo...","official_file_url":"https://www.3gpp.org/ftp/Specs/archive/26_series/26.243/26243-900.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":null,"version_status":null},{"release":"Rel-8","version":"8.0.0","meeting":"SA#42","upload_date":"2008-12-18","comment":"Upgraded unchanged from Rel-7","official_file_url":"https://www.3gpp.org/ftp/Specs/archive/26_series/26.243/26243-800.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":null,"version_status":null},{"release":"Rel-7","version":"7.0.0","meeting":"SA#36","upload_date":"2007-06-21","comment":"Upgraded unchanged from Rel-6","official_file_url":"https://www.3gpp.org/ftp/Specs/archive/26_series/26.243/26243-700.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":null,"version_status":null},{"release":"Rel-6","version":"6.1.0","meeting":"SA#26","upload_date":"2005-01-06","comment":"","official_file_url":"https://www.3gpp.org/ftp/Specs/archive/26_series/26.243/26243-610.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":23150,"version_status":null},{"release":"Rel-6","version":"6.0.0","meeting":"SA#24","upload_date":"2004-06-18","comment":"","official_file_url":"https://www.3gpp.org/ftp/Specs/archive/26_series/26.243/26243-600.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":null,"version_status":null},{"release":"Rel-6","version":"2.0.0","meeting":"SA#24","upload_date":"2004-06-14","comment":"SP-040343","official_file_url":"https://www.3gpp.org/ftp/Specs/archive/26_series/26.243/26243-200.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":null,"version_status":"pre-approval"},{"release":"Rel-6","version":"1.0.0","meeting":"SA#23","upload_date":"2004-03-22","comment":"SP-040064 (no C code included)","official_file_url":"https://www.3gpp.org/ftp/Specs/archive/26_series/26.243/26243-100.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":null,"version_status":"pre-approval"}],"release_presence":[{"release":"Rel-6","first_version_date":"2004-03-22","latest_version_date":"2005-01-06","first_version":"1.0.0","latest_version":"6.1.0","version_count":4},{"release":"Rel-7","first_version_date":"2007-06-21","latest_version_date":"2007-06-21","first_version":"7.0.0","latest_version":"7.0.0","version_count":1},{"release":"Rel-8","first_version_date":"2008-12-18","latest_version_date":"2008-12-18","first_version":"8.0.0","latest_version":"8.0.0","version_count":1},{"release":"Rel-9","first_version_date":"2009-12-18","latest_version_date":"2009-12-18","first_version":"9.0.0","latest_version":"9.0.0","version_count":1},{"release":"Rel-10","first_version_date":"2011-04-05","latest_version_date":"2011-04-05","first_version":"10.0.0","latest_version":"10.0.0","version_count":1},{"release":"Rel-11","first_version_date":"2012-09-21","latest_version_date":"2013-12-19","first_version":"11.0.0","latest_version":"11.1.0","version_count":2},{"release":"Rel-12","first_version_date":"2014-09-26","latest_version_date":"2014-09-26","first_version":"12.0.0","latest_version":"12.0.0","version_count":1},{"release":"Rel-13","first_version_date":"2015-12-18","latest_version_date":"2015-12-18","first_version":"13.0.0","latest_version":"13.0.0","version_count":1},{"release":"Rel-14","first_version_date":"2017-03-17","latest_version_date":"2017-03-17","first_version":"14.0.0","latest_version":"14.0.0","version_count":1},{"release":"Rel-15","first_version_date":"2018-06-22","latest_version_date":"2018-06-22","first_version":"15.0.0","latest_version":"15.0.0","version_count":1},{"release":"Rel-16","first_version_date":"2020-07-21","latest_version_date":"2020-07-21","first_version":"16.0.0","latest_version":"16.0.0","version_count":1},{"release":"Rel-17","first_version_date":"2022-04-07","latest_version_date":"2022-04-07","first_version":"17.0.0","latest_version":"17.0.0","version_count":1},{"release":"Rel-18","first_version_date":"2024-05-15","latest_version_date":"2024-05-15","first_version":"18.0.0","latest_version":"18.0.0","version_count":1},{"release":"Rel-19","first_version_date":"2025-10-31","latest_version_date":"2025-10-31","first_version":"19.0.0","latest_version":"19.0.0","version_count":1}],"classifications":[],"work_items":[{"uid":34700,"acronym":"SRSES-Codec","effective_acronym":"SRSES-Codec","title":"Codec Work to Support Speech Recognition Framework for Automated Voice Services","responsible_groups":["S4"],"release":"Rel-6","status":"Awaiting approval","wi_level":"Building Block (2nd level)","type":"Work Item","first_release":null,"last_release":null,"provenance_type":"official","source_url":"https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=1440","association_sources":[],"association_status":"historical_unverified"},{"uid":480004,"acronym":"TEI11","effective_acronym":"TEI11","title":"(Small) Technical Enhancements and Improvements for Rel-11","responsible_groups":["RP"],"release":"Rel-11","status":"PCG approved","wi_level":"Feature (1st level)","type":"Work Item","first_release":"Rel-11","last_release":"Rel-11","provenance_type":"parsed","source_url":"ftp://ftp.3gpp.org/Information/Databases/Change_Request/CRDB_20261012.zip","association_sources":["crdb"],"association_status":"source_tracked"}],"change_requests":[{"portal_cr_id":null,"cr_number":"0006","revision":null,"category":"F","impacted_version":"11.0.0","target_release":"Rel-11","title":"Correction to references","wg_tdoc":"S4-131048","wg_status":"agreed","tsg_tdoc":"SP-130568","tsg_status":"approved","new_version":"11.1.0","source_url":"ftp://ftp.3gpp.org/Information/Databases/Change_Request/CRDB_20260715.zip","detail_synced_at":null},{"portal_cr_id":null,"cr_number":"0001","revision":null,"category":"F","impacted_version":"..","target_release":"Rel-6","title":"Software bug correction: Removal of Basicops simulation of C shift operator","wg_tdoc":"S4-040652","wg_status":"revised","tsg_tdoc":null,"tsg_status":null,"new_version":"..","source_url":"ftp://ftp.3gpp.org/Information/Databases/Change_Request/CRDB_20260715.zip","detail_synced_at":null},{"portal_cr_id":null,"cr_number":"0001","revision":"1","category":"F","impacted_version":"6.0.0","target_release":"Rel-6","title":"Software bug correction: Removal of Basicops simulation of “C” shift operator","wg_tdoc":"S4-040804","wg_status":"agreed","tsg_tdoc":"SP-040837","tsg_status":"approved","new_version":"6.1.0","source_url":"ftp://ftp.3gpp.org/Information/Databases/Change_Request/CRDB_20260715.zip","detail_synced_at":null},{"portal_cr_id":null,"cr_number":"0002","revision":null,"category":"F","impacted_version":"..","target_release":"Rel-6","title":"Software bug correction: Initialization of the variables lwc and i2aScale","wg_tdoc":"S4-040653","wg_status":"revised","tsg_tdoc":null,"tsg_status":null,"new_version":"..","source_url":"ftp://ftp.3gpp.org/Information/Databases/Change_Request/CRDB_20260715.zip","detail_synced_at":null},{"portal_cr_id":null,"cr_number":"0002","revision":"1","category":"F","impacted_version":"6.0.0","target_release":"Rel-6","title":"Software bug correction: Initialization of the variables lwc and i2aScale","wg_tdoc":"S4-040805","wg_status":"agreed","tsg_tdoc":"SP-040837","tsg_status":"approved","new_version":"6.1.0","source_url":"ftp://ftp.3gpp.org/Information/Databases/Change_Request/CRDB_20260715.zip","detail_synced_at":null},{"portal_cr_id":null,"cr_number":"0003","revision":null,"category":"F","impacted_version":"..","target_release":"Rel-6","title":"Software bug correction: Wrong assignment of the variables *piReliableFlag and *pcQPIndex","wg_tdoc":"S4-040654","wg_status":"revised","tsg_tdoc":null,"tsg_status":null,"new_version":"..","source_url":"ftp://ftp.3gpp.org/Information/Databases/Change_Request/CRDB_20260715.zip","detail_synced_at":null},{"portal_cr_id":null,"cr_number":"0003","revision":"1","category":"F","impacted_version":"6.0.0","target_release":"Rel-6","title":"Software bug correction: Wrong assignment of the variables *piReliableFlag and *pcQPIndex","wg_tdoc":"S4-040806","wg_status":"agreed","tsg_tdoc":"SP-040837","tsg_status":"approved","new_version":"6.1.0","source_url":"ftp://ftp.3gpp.org/Information/Databases/Change_Request/CRDB_20260715.zip","detail_synced_at":null},{"portal_cr_id":null,"cr_number":"0004","revision":null,"category":"F","impacted_version":"..","target_release":"Rel-6","title":"Software bug correction: Use of incorrect variable fRefPeriod instead of iRefPeriod","wg_tdoc":"S4-040655","wg_status":"revised","tsg_tdoc":null,"tsg_status":null,"new_version":"..","source_url":"ftp://ftp.3gpp.org/Information/Databases/Change_Request/CRDB_20260715.zip","detail_synced_at":null},{"portal_cr_id":null,"cr_number":"0004","revision":"1","category":"F","impacted_version":"..","target_release":"Rel-6","title":"Software bug correction: Use of incorrect variable fRefPeriod instead of iRefPeriod","wg_tdoc":"S4-040807","wg_status":"withdrawn","tsg_tdoc":null,"tsg_status":null,"new_version":"..","source_url":"ftp://ftp.3gpp.org/Information/Databases/Change_Request/CRDB_20260715.zip","detail_synced_at":null},{"portal_cr_id":null,"cr_number":"0004","revision":"2","category":"F","impacted_version":"6.0.0","target_release":"Rel-6","title":"Software bug correction: Use of incorrect variable fRefPeriod instead of iRefPeriod","wg_tdoc":"S4-040823","wg_status":"agreed","tsg_tdoc":"SP-040837","tsg_status":"approved","new_version":"6.1.0","source_url":"ftp://ftp.3gpp.org/Information/Databases/Change_Request/CRDB_20260715.zip","detail_synced_at":null},{"portal_cr_id":null,"cr_number":"0005","revision":null,"category":"D","impacted_version":"6.0.0","target_release":"Rel-6","title":"Add reference to test sequences document","wg_tdoc":"S4-040813","wg_status":"agreed","tsg_tdoc":"SP-040837","tsg_status":"approved","new_version":"6.1.0","source_url":"ftp://ftp.3gpp.org/Information/Databases/Change_Request/CRDB_20260715.zip","detail_synced_at":null}],"relationships":[],"relationship_release_evidence_summary":[],"relationship_release_evidence":[],"relationship_release_evidence_meta":{"total":0,"returned_count":0,"limit":100,"truncated":false,"href":"/api/specs/26.243/relationship-evidence"}}