--------------------------------------------------------------
*** README file for ITU-T P.862 Version 1.1 software
*** Reference implementation of PESQ (perceptual evaluation
*** of speech quality) and conformance data
--------------------------------------------------------------

TITLE
-----
 ITU-T P.862 (02/2001) - Perceptual evaluation of speech quality
       (PESQ), an objective method for end-to-end speech quality
       assessment of narrowband telephone networks and speech codecs

This electronic material is provided as part of ITU-T Rec. P.862.
The package contains the following files:

README.TXT   			This file

SOURCE CODE:
source\pesqmain.c 	Main program
source\pesqdsp.c  	PESQ DSP routines
source\pesqio.c   	File I/O
source\dsp.c		Basic DSP routines
source\pesqmod.c  	PESQ high-level model
source\dsp.h		Header file for dsp.h
source\pesq.h		General header file
source\pesqpar.h  	Perceptual definitions

CONFORMANCE DATA:
conform\supp23.txt 	Conf. data, ITU-T P-series Suppl.23
conform\supp23.bat

conform\voipref.txt 	Conf. data, variable delay conditions
conform\voipref.bat

conform\or105.wav		Conf. data, variable delay conditions
conform\or109.wav
conform\or114.wav
conform\or129.wav
conform\or134.wav
conform\or137.wav
conform\or145.wav
conform\or149.wav
conform\or152.wav
conform\or154.wav
conform\or155.wav
conform\or161.wav
conform\or164.wav
conform\or166.wav
conform\or170.wav
conform\or179.wav
conform\or221.wav
conform\or229.wav
conform\or246.wav
conform\or272.wav

conform\dg105.wav
conform\dg109.wav
conform\dg114.wav
conform\dg129.wav
conform\dg134.wav
conform\dg137.wav
conform\dg145.wav
conform\dg149.wav
conform\dg152.wav
conform\dg154.wav
conform\dg155.wav
conform\dg161.wav
conform\dg164.wav
conform\dg166.wav
conform\dg170.wav
conform\dg179.wav
conform\dg221.wav
conform\dg229.wav
conform\dg246.wav
conform\dg272.wav

conform\u_am1s01.wav
conform\u_am1s02.wav
conform\u_am1s03.wav
conform\u_am1s01b1c1.wav
conform\u_am1s01b1c7.wav
conform\u_am1s02b1c9.wav
conform\u_am1s01b1c15.wav
conform\u_am1s03b1c16.wav
conform\u_am1s03b1c18.wav
conform\u_am1s01b2c1.wav
conform\u_am1s02b2c4.wav
conform\u_am1s02b2c5.wav
conform\u_am1s03b2c5.wav
conform\u_am1s03b2c6.wav
conform\u_am1s03b2c7.wav
conform\u_am1s01b2c8.wav
conform\u_am1s03b2c11.wav
conform\u_am1s02b2c14.wav
conform\u_af1s01b2c16.wav
conform\u_af1s03b2c16.wav
conform\u_af1s02b2c17.wav
conform\u_af1s03b2c17.wav
conform\u_am1s03b2c18.wav
conform\u_af1s01.wav
conform\u_af1s02.wav
conform\u_af1s03.wav


COPYRIGHT AND INTELLECTUAL PROPERTY
-----------------------------------

AUTHOR'S NOTICE
---------------

The Perceptual Evaluation of Speech Quality (PESQ) algorithm and
the copyright therein is the property of British Telecommunications
plc and Royal KPN NV, and is protected by UK, US and other patents.
Permission is granted to use PESQ for the purpose of evaluation of
ITU-T recommendation P.862. Any other use of this software or the
PESQ algorithm requires a license, which may be obtained from:

OPTICOM GmbH
Michael Keyhl, Am Weichselgarten 7, D- 91058 Erlangen, Germany
Phone: +49 9131 691 160   Fax: +49 9131 691 325
E-mail: info@opticom.de

PsyTechnics Limited
Richard Reynolds, B54 Adastral Park, Ipswich IP5 3RE, UK
Phone: +44 1473 644 730 or +44 7730 426 251  Fax: +44 1473 645 663
E-mail: richard.reynolds@psytechnics.com

Patent-only licences should be obtained from Opticom. 

Further information is also available from: www.pesq.org

By using this software you acknowledge that PESQ is protected by
copyright and by patents and is being made available to you for the
purpose of evaluation of ITU-T Recommendation P.862.

You must not use PESQ for any other purpose without first obtaining
a written license from British Telecommunications plc and Royal KPN NV,
from their agents listed above.

You must not disclose, reproduce or otherwise release PESQ to any third
party without the prior written permission of British Telecommunications
plc and Royal KPN NV.

ITU-T NOTICE
------------

Notwithstanding the above, it is prohibited to place this software
on a network or to copy the software for sale, license or transfer
to third parties.

The ITU does not take any responsibility for difficulties or the 
impossibility of reading out the contents of these files. The ITU 
shall not be held liable for any direct, indirect, consequential or 
incidental damages arising out of the use of or inability to use the 
software.

The present notice must be included in any copy of the software or
the information contained therein.


ITU CONTACTS
------------

For distribution of update software, please contact:
Sales Department
ITU
Place des Nations
CH-1211 Geneve 20
SUISSE
email: sales@itu.int

For reporting problems, please contact TSB helpdesk service at:
TSB Helpdesk service
ITU
Place des Nations
CH-1211 Geneve 20
SUISSE
fax: +41 22 730 5853
email: tsbedh@itu.int