A new model for speech compression
dc.authorid | 0000-0002-1621-7736 | |
dc.authorid | 0000-0002-1621-7736 | en_US |
dc.contributor.advisor | Güz, Ümit | en_US |
dc.contributor.advisor | Gürkan, Hakan | en_US |
dc.contributor.author | Ekşioğlu, Asena | en_US |
dc.contributor.other | Işık Üniversitesi, Fen Bilimleri Enstitüsü, Elektronik Mühendisliği Yüksek Lisans Programı | en_US |
dc.date.accessioned | 2021-12-08T18:10:28Z | |
dc.date.available | 2021-12-08T18:10:28Z | |
dc.date.issued | 2021-19-10 | |
dc.department | Işık Üniversitesi, Fen Bilimleri Enstitüsü, Elektronik Mühendisliği Yüksek Lisans Programı | en_US |
dc.description | Text in English ; Abstract: English and Turkish | en_US |
dc.description | Includes bibliographical references (leaves 61-66) | en_US |
dc.description | xv, 67 leaves | en_US |
dc.description.abstract | This thesis aims to propose a new low bit-rate speech compression method. In the proposed method, classical SYMPES (Systematic Procedure for Predefined Envelope and Signature Sequences) based predefined signature and envelope sequences are obtained using zero-cross and phoneme-based segmentation. Some disadvantages of the traditional SYMPES technique, like computational complexity, relatively long encoding times, and so on, are also reduced in the new version in order to obtain lower bit rates. The new approach significantly reduces the bit-rate and yields high compression ratios with more intelligible speech quality than that of the classical SYMPES approach. Furthermore, in comparison to other traditional techniques such as the CELP (Code Excited Linear Predictive) coding algorithm, experimental findings demonstrate that at almost the equal bit rates, extremely promising speech quality is produced. | en_US |
dc.description.abstract | Bu tezde, yeni bir düşük bit hızlı konuşma kodlama yöntemi önermek amaçlanmaktadır. Önerilen yöntemde, klasik SYMPES tabanlı önceden tanımlanmış imza ve zarf dizileri, sıfır geçiş oranı ve fonem tabanlı segmentasyon kullanılarak elde edilir. Daha düşük bit hızları elde etmek için klasik SYMPES yönteminin hesaplama karmaşıklığı, nispeten yüksek kodlama süreleri vb. gibi bazı dezavantajlar da yeni yaklaşımda önemli ölçüde azaltılmıştır. Bahsedilen yeni yaklaşım, bit hızını önemli ölçüde azalttığı için klasik SYMPES yaklaşımından daha anlaşılır bir konuşma kalitesiyle yüksek sıkıştırma oranları sağlar. Ayrıca, deneysel sonuçlarda, CELP (Code Excited Linear Predictive) kodlama algoritması gibi diğer geleneksel yöntemlere kıyasla neredeyse aynı bit hızlarında çok daha umut verici bir konuşma kalitesinin elde edildiğini göstermektedir. | en_US |
dc.description.tableofcontents | INTRODUCTION | en_US |
dc.description.tableofcontents | SPEECH PRODUCTION MECHANISM | en_US |
dc.description.tableofcontents | Definition of Voice | en_US |
dc.description.tableofcontents | Production of Speech | en_US |
dc.description.tableofcontents | Analysis of Speech Signal | en_US |
dc.description.tableofcontents | Voiced/Unvoiced (v/u) Decision of Speech Signal | en_US |
dc.description.tableofcontents | Zero-Crossing (ZC) Rate | en_US |
dc.description.tableofcontents | Energy Calculation of Speech Signal | en_US |
dc.description.tableofcontents | SPEECH COMPRESSION | en_US |
dc.description.tableofcontents | Lossless Compression | en_US |
dc.description.tableofcontents | Lossy Compression | en_US |
dc.description.tableofcontents | Compression Techniques | en_US |
dc.description.tableofcontents | Voice Coders | en_US |
dc.description.tableofcontents | Waveform Coders | en_US |
dc.description.tableofcontents | Hybrid Coders | en_US |
dc.description.tableofcontents | Some Recent Work for Speech Compression Techniques | en_US |
dc.description.tableofcontents | Evaluation Metrics | en_US |
dc.description.tableofcontents | Objective Measurement of Speech Signals | en_US |
dc.description.tableofcontents | Subjective Measurement of Speech Signals | en_US |
dc.description.tableofcontents | Computation of the Performance Parameters | en_US |
dc.description.tableofcontents | PROPOSED APPROACHES IN THIS THESIS | en_US |
dc.description.tableofcontents | Classical SYMPES Approach | en_US |
dc.description.tableofcontents | Generation of the “Predefined Signature Sequences (PSS)” and “Predefined Envelope Sequences (PES) and, Synthesis Process of Speech Signal” Zero-Cross and Phoneme-based SYMPES | en_US |
dc.description.tableofcontents | Production of the Codebook for ZC and Phoneme-based SYMPES | en_US |
dc.description.tableofcontents | Encoding Process of ZC and Phoneme-based SYMPES | en_US |
dc.description.tableofcontents | Decoding Process of ZC and Phoneme-based SYMPES | en_US |
dc.description.tableofcontents | Proposed Approaches | en_US |
dc.description.tableofcontents | Approach 1 | en_US |
dc.description.tableofcontents | Approach 2 | en_US |
dc.description.tableofcontents | Approach 3 | en_US |
dc.description.tableofcontents | Approach 4 | en_US |
dc.description.tableofcontents | EXPERIMENTAL RESULTS AND DISCUSSIONS | en_US |
dc.description.tableofcontents | Training and Testing Data Sets | en_US |
dc.description.tableofcontents | Visual Representations of Reconstructed and Original Speech Signals’ for Approach 4 | en_US |
dc.description.tableofcontents | Objective Experimental Results and Discussion of ZC and Phoneme-Based SYMPES Approaches | en_US |
dc.description.tableofcontents | Subjective Experiment (MOS Test) for Approach 4 | en_US |
dc.description.tableofcontents | CONCLUSION | en_US |
dc.identifier.citation | Ekşioğlu, A. (2021). A new model for speech compression. İstanbul: Işık Üniversitesi Fen Bilimleri Enstitüsü. | en_US |
dc.identifier.uri | https://hdl.handle.net/11729/3316 | |
dc.institutionauthor | Ekşioğlu, Asena | en_US |
dc.language.iso | en | en_US |
dc.publisher | Işık Üniversitesi | en_US |
dc.relation.publicationcategory | Tez | en_US |
dc.rights | info:eu-repo/semantics/openAccess | en_US |
dc.rights | Attribution-NonCommercial-NoDerivs 3.0 United States | * |
dc.rights.uri | http://creativecommons.org/licenses/by-nc-nd/3.0/us/ | * |
dc.subject | CELP | en_US |
dc.subject | Low bit-rate speech coding | en_US |
dc.subject | MOS | en_US |
dc.subject | Speech compression | en_US |
dc.subject | SYMPES | en_US |
dc.subject | Düşük bit hızlı konuşma kodlama | en_US |
dc.subject | Konuşma sıkıştırma | en_US |
dc.subject.lcc | QP306 .E37 2021 | |
dc.subject.lcsh | Voice. | en_US |
dc.subject.lcsh | Speech. | en_US |
dc.title | A new model for speech compression | en_US |
dc.title.alternative | Ses sıkıştırma için yeni bir model | en_US |
dc.type | Master Thesis | en_US |
dspace.entity.type | Publication |