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The nine-month 1963-1964 program focused on two main tasks: surveying the then-current state of speech compression and exploring new techniques to improve compression capability beyond existing methods. Speech compression is framed as part of the broader language processing problem, enabling communication by generating substitute electrical signals with reduced bandwidth and dynamic range for reliable synthesis and recognition.",{"@graph":69,"@context":122},[70,84,105],{"@type":71,"itemListElement":72},"BreadcrumbList",[73,77,79,82],{"item":74,"name":75,"@type":76,"position":8},"https://docshare.wps.com","Home","ListItem",{"item":78,"name":9,"@type":76,"position":14},"https://docshare.wps.com/document/",{"item":80,"name":40,"@type":76,"position":81},"https://docshare.wps.com/document/research-report/",3,{"item":83,"name":65,"@type":76,"position":19},"https://docshare.wps.com/document/study-on-speech-compression-formanned-space-vehicles-final-technical-report/182181/",{"url":83,"name":65,"@type":85,"image":86,"author":91,"headline":65,"publisher":94,"fileFormat":97,"inLanguage":63,"description":67,"dateModified":98,"datePublished":99,"encodingFormat":97,"isAccessibleForFree":100,"interactionStatistic":101},"DigitalDocument",{"url":87,"@type":88,"width":89,"height":90},"https://docshare.wps.com/thumbnails/study-on-speech-compression-formanned-space-vehicles-final-technical-report/182181.png","ImageObject",300,407,{"name":92,"@type":93},"Riley","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-10-07","2026-09-02",true,{"@type":102,"interactionType":103,"userInteractionCount":39},"InteractionCounter",{"@type":104},"ViewAction",{"@type":106,"mainEntity":107},"FAQPage",[108,114,118],{"name":109,"@type":110,"acceptedAnswer":111},"What contract and organization is the report prepared for?","Question",{"text":112,"@type":113},"The report is submitted under Contract NASw-700 for the National Aeronautics and Space Administration (NASA), Research and Systems Center.","Answer",{"name":115,"@type":110,"acceptedAnswer":116},"What were the two main tasks of the program during 1963-1964?",{"text":117,"@type":113},"The program focused on surveying the prevailing state of the art in speech compression and searching for new techniques that could improve speech compression capability.",{"name":119,"@type":110,"acceptedAnswer":120},"How does the report define the role of speech compression in communication?",{"text":121,"@type":113},"Speech compression is presented as part of the broader language processing problem, facilitating communication by transforming original speech signals into substitute electrical signals with reduced bandwidth and dynamic range while enabling synthesis of satisfactory replicas.","https://schema.org",{"og:url":83,"og:type":124,"og:title":65,"og:site_name":95,"og:description":67},"article",{"robots":126,"canonical":83},"index,follow",{"doc_id":128,"site_id":62},182181,1788347494,{"code":4,"msg":5,"data":131},{"doc_id":128,"user_id":132,"nickname":92,"user_avatar":133,"doc_module":4,"category_id":39,"category_name":40,"doc_title":65,"doc_description":67,"doc_content":134,"file_id":135,"file_url":136,"file_type":137,"file_size":138,"view_count":39,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":139,"language":140,"language_code":63,"site_id":62,"html_lang":63,"table_of_contents":141,"faqs":142,"seo_title":143,"seo_description":67,"update_tm":129,"read_time":144},1374391975076,"https://ap-avatar.wpscdn.com/avatar/14000253ca4ec9f6853?x-image-process=image/resize,m_fixed,w_180,h_180&k=1783305029341752051","MICROFILMED  \nFROM BEST  \nAVAILABLE  \nCOPY  \nWeste17 Ozerufions 9fkLncy  \nGPO PRICE $___  \n○TS PRICE{S $  \nHard copy(HC  \nMicrcfic!e (MF)  \n225  \n20March 1964  \nSTUDY ON SPEECH COMPRESSION  \nFORMANNED SPACE VEHICLES  \nContract No.NASw -700  \nPrepared For  \nNAT1ONAL AERONAUTICS AND SPACE ADMINISTRATIONWashington 25,D.C.  \nResearch and Systems CenterGeneral Frecision,Inc.Libraccope GrcupGlend ale 1,Ca!ifornia  \nCONTENTs  \nPage  \n1.      Intruduction  \n1-1  \n2.     Scope cf the Program2-1  \n2.1 Objectives Under the Present Contract2-1  \n2.2 T'he Overall Problem2-2  \n3.      Wurk Accomplished Under the Present Contract3-1  \n3.1 Preliminary Study3-1.  \n3.2 The Need for Spnech Compression3-2  \n3.3 The Present State of the Ait3-11  \n3.4 Development of Criteris3-11  \n3.5 Other Inve stigations3-15  \n3.6 New Avenues for Future Work3-154.The Present State of the Art4-1  \n4.1 General Consideration多4-1  \n4.2 Systems with Cornpressicn atios up to 15.14-2  \n4.3 The Channel Vocoder and Semi-Vocoder4-4  \n4.4 The Formant Tracking Vocoder4-8  \n4.5 Miscellaneous Devices4-1?  \n5.Current Trends in Research5-1  \n5.1 General Remarks5-1  \nE.2 Acoustic Speech Analysis and Synthe sis5-1  \n5.3 Speech Perception and Linguistics5-5  \n6.Experimental Work Carried Out Under the Program6-1  \nb.1 P“ocessing Mercury Flight Data6-1  \n6.2 The Utility of Lip-Reading6-4.3 Pat ern-Matching of Sampled Speech6-6  \n6.3  Two ·Dimensional Patterns (rom Speech Signais6-7  \n7.N4w Avenues t.r Future Work7-1..     ?neral Consideration37-1  \n7.2 Speechonpression as a Problem in Coding7-2  \n1:3 ATechnique for Discovering Patterns in Speech Signals 7-4  \n7.4 A Technicue for Instrumenting a Phoneme Recognizer 7-9  \n7.5 The Use o1 Optical Correlation far Pattern Recognition 7-13  \nCONTEN IS(Continued)  \n7.6 Non-Acoustical Constrzints on the Processing ofPhonological Data  \n7-16  \n7.7 Hgh-Level Linguistic Constrzints  \n7-19  \n7-23  \n7.8 Paralinguistic iniornation  \n8.  \nConclusions  \n8-1  \n# 8.    General Remarks8-1\n\n8.2 Highlights of the Report8-1  \n8.3 The New Approaches8-2  \n8.4Concluding Remark8-3  \nAppendix \"A\"The Minimum Transmis sion Load for a MinimumPerformance SystemA-1  \nAppendix \"B\"The Minimum Transrnission Loads for Intermediateand Maximum Performance SystempB-1  \nAppendix C\"Transmission Loads for Band.Limited SpeechC-1  \nAppendix D\"Operating RangeD-1  \nAppendix \"E\"Basic Power CalculationsE-1  \nAppendix \"F\"Power Requirement for a Given Bit-RateF-1  \nAppendix \"G\"The Objective Measurement of Speech IntelligibilityG-1  \nBibliography  \n.  \n# 1LLUSTRATIONS\n\nFigures  \nPage3-1Simple Analog System3-12.3-2 System with Digital Transmissiun Li·ak3-123-3Digital Processing Systein3-133-4 Hybrid System3-134-1Channel Vocoder4-54-2Formant or Resonance Vuccder4-106-1Effects of Visua!Claes on Lntelligibility6-56-2Osciloscope Driving Circuit6-86-3Line Drawing of Oscilloscope Picture of Vowel e6-96-4Line Drawing of Oscillo scope Picture of Vowel ah6-97-1Cross-Correlation of intensity Pattern with RefersnceTransparency7-14  \nLIST OF TABLES  \nPage2-1System Requirem.  in Bits/ScondZ-42-2Cnaracteristics ot Tbree Crade?=!Cpeech2-52-3Transmiasion Loads tsz Two Grades of Speecn andPerfcrmance Levels2-63-1Maximum and Minimum Operating Ranges for VariousMissian83-23-2Characteristics of Three Grades of Speech3-43-3Misaion Dist ances in Decibels3-43-4Anaiog Tranomission,19633-53~5Analog Transmission,19703-63-6Characte:xistics of Three Grades of Speech3-73-7Digital Transmission,19633-73-8 Digital Transmission,19703-83-9 Digital Transmission,19633-93-10 Digital Transmission,19703-104-1Scope of Presently Available Speech CompressionTechniques4-27-1Beat-Match Correlation Pattern87-117-2Cross-Correlated Fatterns7-12  \n## 1.INTRODUCTICN\n\nThis report is submitteo in accordance with the requirements ofContract NASw-700 with National Aeronautice and Space Administration.It is a final technical report,and covers the work carried out during aperiod of nine rnonths in 1963-4.The propram,which lies in the genera","cbCaipWP8BbKVXSS","https://ap.wps.com/l/cbCaipWP8BbKVXSS","pdf",4208334,120,"English","# Introduction\n## Scope of the Program\n## Objectives Under the Present Contract\n## The Overall Problem\n# Work Accomplished Under the Present Contract\n## Preliminary Study\n## The Need for Speech Compression\n## The Present State of the Art\n## Development of Criteria\n## Other Investigations\n## New Avenues for Future Work\n# Conclusions\n## Highlights of the Report\n## The New Approaches\n## Concluding Remark\n# Illustrations\n## Figures\n## List of Tables\n# Appendices\n## Appendix A\n## Appendix B\n## Appendix C\n## Appendix D\n## Appendix E\n## Appendix F\n## Appendix G\n# Bibliography","[{\"question\":\"What contract and organization is the report prepared for?\",\"answer\":\"The report is submitted under Contract NASw-700 for the National Aeronautics and Space Administration (NASA), Research and Systems Center.\"},{\"question\":\"What were the two main tasks of the program during 1963-1964?\",\"answer\":\"The program focused on surveying the prevailing state of the art in speech compression and searching for new techniques that could improve speech compression capability.\"},{\"question\":\"How does the report define the role of speech compression in communication?\",\"answer\":\"Speech compression is presented as part of the broader language processing problem, facilitating communication by transforming original speech signals into substitute electrical signals with reduced bandwidth and dynamic range while enabling synthesis of satisfactory replicas.\"}]","Study on Speech Compression - Formanned Space Vehicles - Final Technical Report | PDF",302]