NDLI: New techniques for sinusoidal coding of speech at 2400 bps

Content Provider	IEEE Xplore Digital Library
Author	Ahmadi, S. Spanias, A.S.
Copyright Year	1996
Description	Author affiliation: Dept. of Electr. Eng., Arizona State Univ., Tempe, AZ, USA (Ahmadi, S.)
Abstract	The sinusoidal transform coding (STC) is a frequency-domain speech compression technique, in which finite duration segments of speech signal are represented by a linear combination of sinusoids with time-varying amplitudes, phases, and frequencies. The STC is known to produce reconstructed speech of high quality at data rates below 10 kbps. It can be shown that if the measured sine wave frequencies are replaced by a harmonic set, then reconstructed speech of good quality can still be obtained. The methods that are discussed in this paper have been exploited in the development of the STC coders at data rates from 9.6 to 2.4 kbps and resulted in reconstructed speech of high quality and intelligibility. Accurate pitch detection algorithm, perception-based split vector quantization, improved overlap/add and frame interpolation algorithms, minimum variance phase estimation, and finally computational efficiency are the basic features that discriminate our implementations from other implementations of sinusoidal coders. This paper focuses on the development of a fully quantized sinusoidal coder at 2.4 kbps.
Starting Page	770
Ending Page	774
File Size	486202
Page Count	5
File Format	PDF
ISBN	0818676469
ISSN	10586393
DOI	10.1109/ACSSC.1996.601158
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1996-11-03
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Speech coding Frequency Phase estimation Speech analysis Linear predictive coding Transform coding Detection algorithms Interpolation Cepstral analysis Signal analysis
Content Type	Text
Resource Type	Article
Subject	Signal Processing Computer Networks and Communications

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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