{"id":"https://openalex.org/W68492818","doi":"https://doi.org/10.21437/icslp.2002-540","title":"Spectral enhancement preprocessing for the HNM coding of noisy speech","display_name":"Spectral enhancement preprocessing for the HNM coding of noisy speech","publication_year":2002,"publication_date":"2002-09-16","ids":{"openalex":"https://openalex.org/W68492818","doi":"https://doi.org/10.21437/icslp.2002-540","mag":"68492818"},"language":"en","primary_location":{"id":"doi:10.21437/icslp.2002-540","is_oa":false,"landing_page_url":"https://doi.org/10.21437/icslp.2002-540","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"7th International Conference on Spoken Language Processing (ICSLP 2002)","raw_type":"proceedings-article"},"type":"conference-paper","indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5029293991","display_name":"Gautam Moharir","orcid":null},"institutions":[{"id":"https://openalex.org/I162827531","display_name":"Indian Institute of Technology Bombay","ror":"https://ror.org/02qyf5152","country_code":"IN","type":"education","lineage":["https://openalex.org/I162827531"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Gautam Moharir","raw_affiliation_strings":["Department of Electrical Engineering Indian Institute of Technology, Bombay, India 400076"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering Indian Institute of Technology, Bombay, India 400076","institution_ids":["https://openalex.org/I162827531"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5109906931","display_name":"Pushkar Patwardhan","orcid":null},"institutions":[{"id":"https://openalex.org/I162827531","display_name":"Indian Institute of Technology Bombay","ror":"https://ror.org/02qyf5152","country_code":"IN","type":"education","lineage":["https://openalex.org/I162827531"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Pushkar Patwardhan","raw_affiliation_strings":["Department of Electrical Engineering Indian Institute of Technology, Bombay, India 400076"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering Indian Institute of Technology, Bombay, India 400076","institution_ids":["https://openalex.org/I162827531"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5084496610","display_name":"Preeti Rao","orcid":"https://orcid.org/0000-0002-2842-8450"},"institutions":[{"id":"https://openalex.org/I162827531","display_name":"Indian Institute of Technology Bombay","ror":"https://ror.org/02qyf5152","country_code":"IN","type":"education","lineage":["https://openalex.org/I162827531"]}],"countries":["IN"],"is_corresponding":true,"raw_author_name":"Preeti Rao","raw_affiliation_strings":["Department of Electrical Engineering Indian Institute of Technology, Bombay, India 400076"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering Indian Institute of Technology, Bombay, India 400076","institution_ids":["https://openalex.org/I162827531"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5084496610"],"corresponding_institution_ids":["https://openalex.org/I162827531"],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"1881","last_page":"1884"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10860","display_name":"Speech and Audio Processing","score":1.0,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10860","display_name":"Speech and Audio Processing","score":1.0,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10901","display_name":"Advanced Data Compression Techniques","score":0.9994999766349792,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10201","display_name":"Speech Recognition and Synthesis","score":0.9991000294685364,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/speech-enhancement","display_name":"Speech enhancement","score":0.8007516860961914},{"id":"https://openalex.org/keywords/preprocessor","display_name":"Preprocessor","score":0.7418515682220459},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7414903044700623},{"id":"https://openalex.org/keywords/speech-recognition","display_name":"Speech recognition","score":0.6670087575912476},{"id":"https://openalex.org/keywords/speech-coding","display_name":"Speech coding","score":0.6669515371322632},{"id":"https://openalex.org/keywords/linear-predictive-coding","display_name":"Linear predictive coding","score":0.5350554585456848},{"id":"https://openalex.org/keywords/coding","display_name":"Coding (social sciences)","score":0.5149362683296204},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.4539976716041565},{"id":"https://openalex.org/keywords/voice-activity-detection","display_name":"Voice activity detection","score":0.44665923714637756},{"id":"https://openalex.org/keywords/speech-processing","display_name":"Speech processing","score":0.4227403700351715},{"id":"https://openalex.org/keywords/predictive-coding","display_name":"Predictive coding","score":0.4156686067581177},{"id":"https://openalex.org/keywords/noise-reduction","display_name":"Noise reduction","score":0.18872389197349548},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.09408712387084961}],"concepts":[{"id":"https://openalex.org/C2776182073","wikidata":"https://www.wikidata.org/wiki/Q7575395","display_name":"Speech enhancement","level":3,"score":0.8007516860961914},{"id":"https://openalex.org/C34736171","wikidata":"https://www.wikidata.org/wiki/Q918333","display_name":"Preprocessor","level":2,"score":0.7418515682220459},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7414903044700623},{"id":"https://openalex.org/C28490314","wikidata":"https://www.wikidata.org/wiki/Q189436","display_name":"Speech recognition","level":1,"score":0.6670087575912476},{"id":"https://openalex.org/C13895895","wikidata":"https://www.wikidata.org/wiki/Q3270773","display_name":"Speech coding","level":2,"score":0.6669515371322632},{"id":"https://openalex.org/C59883199","wikidata":"https://www.wikidata.org/wiki/Q1826438","display_name":"Linear predictive coding","level":3,"score":0.5350554585456848},{"id":"https://openalex.org/C179518139","wikidata":"https://www.wikidata.org/wiki/Q5140297","display_name":"Coding (social sciences)","level":2,"score":0.5149362683296204},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.4539976716041565},{"id":"https://openalex.org/C204201278","wikidata":"https://www.wikidata.org/wiki/Q1332614","display_name":"Voice activity detection","level":3,"score":0.44665923714637756},{"id":"https://openalex.org/C61328038","wikidata":"https://www.wikidata.org/wiki/Q3358061","display_name":"Speech processing","level":2,"score":0.4227403700351715},{"id":"https://openalex.org/C2778061373","wikidata":"https://www.wikidata.org/wiki/Q1315146","display_name":"Predictive coding","level":3,"score":0.4156686067581177},{"id":"https://openalex.org/C163294075","wikidata":"https://www.wikidata.org/wiki/Q581861","display_name":"Noise reduction","level":2,"score":0.18872389197349548},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.09408712387084961},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.21437/icslp.2002-540","is_oa":false,"landing_page_url":"https://doi.org/10.21437/icslp.2002-540","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"7th International Conference on Spoken Language Processing (ICSLP 2002)","raw_type":"proceedings-article"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.539.3133","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.539.3133","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://www.ee.iitb.ac.in/daplab/publications/international-conference/papers/SL021575.pdf","raw_type":"text"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":12,"referenced_works":["https://openalex.org/W130455257","https://openalex.org/W273760657","https://openalex.org/W1496971974","https://openalex.org/W1968939597","https://openalex.org/W1997900929","https://openalex.org/W2102232231","https://openalex.org/W2109349638","https://openalex.org/W2128653836","https://openalex.org/W2129082420","https://openalex.org/W2136600928","https://openalex.org/W2148371116","https://openalex.org/W2991015288"],"related_works":["https://openalex.org/W2383072803","https://openalex.org/W3211091508","https://openalex.org/W1976952689","https://openalex.org/W2095808012","https://openalex.org/W2363056088","https://openalex.org/W2070982348","https://openalex.org/W1984921740","https://openalex.org/W2496295964","https://openalex.org/W2280595606","https://openalex.org/W2169584621"],"abstract_inverted_index":{"Low":[0],"rate":[1],"coders":[2],"based":[3,46],"on":[4,39],"the":[5,19,25,32,40,43,56,85,95],"harmonic-noise":[6],"model":[7,45],"are":[8,92],"sensitive":[9],"to":[10,18],"acoustic":[11],"background":[12],"noise":[13],"at":[14],"low":[15],"SNRs":[16],"due":[17],"increase":[20],"in":[21,82,84],"parameter":[22,53],"errors":[23,54],"from":[24],"analysis":[26],"of":[27,34,42,52,59,87],"noisy":[28,70],"speech.":[29],"We":[30,65],"investi-gate":[31],"use":[33],"spectral":[35],"subtraction":[36],"enhancement":[37,103],"preprocessing":[38],"performance":[41],"sinusoidal":[44],"codec":[47],"both":[48],"by":[49,79],"ob-jective":[50],"assessment":[51],"and":[55,63],"subjective":[57],"testing":[58],"output":[60],"speech":[61,71,74,96,102],"quality":[62,75],"intelligibility.":[64],"find":[66],"that":[67],"while":[68],"for":[69],"enhancement,":[72],"improving":[73],"is":[76,98],"often":[77],"ac-companied":[78],"a":[80,101],"decrease":[81],"intelligibility,":[83],"context":[86],"coding,":[88],"significant":[89],"combined":[90,99],"improvements":[91],"obtained":[93],"when":[94],"coder":[97],"with":[100],"preprocessor.":[104],"1.":[105]},"counts_by_year":[],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2025-10-10T00:00:00"}