An Efficient Time Domain Speech Compression Technique and Hardware Implementation on TMS320C5416 Digital Signal Processor

Author

Sanyal, Amit ; Das, Snehasish ; Venkateswaran, P. ; Sanyal, Salil Kumar ; Nandi, R.

Author_Institution

Dept. of Electron. & Telecommun. Eng., Jadavpur Univ., Kolkata

fYear

2007

fDate

22-24 Feb. 2007

Firstpage

26

Lastpage

29

Abstract

Speech compression is of paramount importance in modern day communications where bandwidth conservation is necessary to accommodate the ever increasing number of communication channels. Historically, LPC (linear predictive coding) is used for speech analysis for better results, and subband coding is used in audio compression methods, such as MPEG standards. In this paper, we combine a RELP (residual excited linear prediction) technique with subband coding to yield compression rates of upto 85% with acceptable distortion levels

Keywords

data compression; digital signal processing chips; speech coding; time-domain analysis; RELP; TMS320C5416 digital signal processor; residual excited linear prediction; subband coding; time domain speech compression technique; Decoding; Digital signal processors; Filters; Hardware; Linear predictive coding; Radio spectrum management; Signal synthesis; Speech analysis; Speech processing; Speech synthesis; DSP; LPC; Levinson-Durbin algorithm; RELP; analysis; auto-correlation; subband coding; synthesis;

fLanguage

English

Publisher

ieee

Conference_Titel

Signal Processing, Communications and Networking, 2007. ICSCN '07. International Conference on

Conference_Location

Chennai

Print_ISBN

1-4244-0997-7

Electronic_ISBN

1-4244-0997-7

Type

conf

DOI

10.1109/ICSCN.2007.350674

Filename

4156577