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12、ULD NOT BE PUBLISHED BY TIA WITHOUT SUCH LIMITATIONS. TIA-894 CONTENTS i 1 INTRODUCTION 1 1 1.1 SCOPE.3 2 1.2 DEFINITIONS 5 3 1.3 TEST MODEL FOR THE SPEECH CODEC7 4 2 CODEC MINIMUM STANDARDS 9 5 2.1 OBJECTIVE PERFORMANCE TESTING .9 6 2.1.1 Average Data Rate Test9 7 2.1.1.1 Average Data Rate Computat
13、ion10 8 2.1.1.2 Average Data Rate Requirement10 9 2.1.2 Bad Packet Detection Test.11 10 2.1.3 Ensuring Proper Encoded Frame Packet Files12 11 2.1.4 Unity Gain Requirement 12 12 2.1.5 Limits on Algorithmic Delay13 13 2.2 SUBJECTIVE PERFORMANCE TESTING14 14 2.2.1 Definition .14 15 2.2.2 Method of Meas
14、urement.14 16 2.2.3 Test Conditions 14 17 2.2.3.1 Subjective Experiment I .16 18 2.2.3.2 Subjective Experiment II17 19 2.2.3.3 Subjective Experiment III 18 20 2.2.3.4 Numerology for Listening Experiments.19 21 2.2.4 Source Speech Material20 22 2.2.4.1 Source File Naming Procedure.20 23 2.2.4.2 Sourc
15、e Speech Material for Experiment I 21 24 2.2.4.3 Source Speech Material for Experiment II.21 25 2.2.4.4 Source Speech Material for Experiment III21 26 2.2.5 Processing of Speech Material .22 27 2.2.5.1 Processed File Naming Procedure22 28 2.2.5.2 Encoding by the Master and Test Codecs 24 29 2.2.5.2.
16、1 Encoding by the Master Codec .24 30 2.2.5.2.2 Encoding by the Test Codec24 31 2.2.5.3 Decoding by the Master/Test and Test/Master Codecs 24 32 2.2.5.4 Introduction of Impairments.24 33 2.2.5.5 Tandem Conditions 25 34 2.2.6 Randomization .25 35 2.2.7 Presentation 25 36 2.2.8 Listeners .26 37 2.2.9
17、Listening Test Procedure26 38 2.2.10 Analysis of Results.28 39 2.2.11 Minimum Subjective Performance Requirement .28 40 2.2.11.1 MSPR for Test-conditions with Four Codec-combinations.28 41 2.2.11.2 MSPR for Test-conditions Involving Two Codec-combinations 30 42 2.2.12 Expected Results for Reference
18、Conditions .31 43 3 CODEC STANDARD TEST CONDITIONS 33 44 3.1 STANDARD EQUIPMENT.33 45 3.1.1 Basic Equipment.33 46 3.1.2 Subjective Test Equipment.34 47 3.1.2.1 Audio Path35 48 TIA-894 CONTENTS ii 3.1.2.2 Calibration35 1 3.2 STANDARD ENVIRONMENTAL TEST CONDITIONS 35 2 3.3 STANDARD SOFTWARE TEST TOOLS
19、.36 3 3.3.1 Floating-point Master Codec encoder_fl (.exe), decoder_fl (.exe)36 4 3.3.2 Fixed-point Reference Codec encoder_fx (.exe), decoder_fx (.exe)36 5 3.3.3 Fixed-point OEM Test Codec encoder_ft (.exe), decoder_ft (.exe) .36 6 3.3.4 Channel Model Utility fersig (.exe)37 7 3.3.5 Cosine Windowing
20、 Utility coswind (.exe) .37 8 3.3.6 Channel Error Masks fer_Xpct_mask (.bin) .37 9 3.3.7 SMV Host Lab Codecs Processing Scripts.37 10 3.3.7.1 smvcdrs_shtchk37 11 3.3.7.2 smvcdrl_tvec_init.37 12 3.3.7.3 smvcdrl_lngchk37 13 3.3.7.4 smvcdrl_chkdif37 14 3.3.7.5 smvcdrl_intrcnct38 15 3.3.8 SMV Host Lab C
21、odecs and References Post-Processing Scripts .38 16 3.3.8.1 smvcdr_pstprc.38 17 3.3.8.2 smvref_pstprc.38 18 3.3.8.3 smvcdr_split_files.38 19 3.3.9 STL2000 Operator Utility oper (.exe) .38 20 3.3.10 STL2000 Filter Utility filter (.exe)38 21 3.3.11 STL2000 Scaling Utility scaldemo (.exe)38 22 3.3.12 S
22、TL2000 Active Level Utility actlev (.exe)39 23 3.3.13 STL2000 MNRU Utility mnrudemo (.exe)39 24 3.3.14 SMV Packet Sanity Check Utility pkt_sanity_check (.exe) 39 25 3.3.15 SMV MPS Software Distribution.39 26 3.4 MASTER CODEC.39 27 3.4.1 Floating-Point Master Codec Program Files 40 28 3.4.2 Compiling
23、 the Floating-point Master Codec Simulation40 29 3.4.3 Running the Master Codec Simulation.40 30 3.4.4 File Formats41 31 3.4.5 Verifying Proper Operation of the Floating-Point Master Codec.42 32 3.5 FIXED-POINT REFERENCE CODEC43 33 3.5.1 Fixed-Point Reference Codec Program Files .43 34 3.5.2 Compili
24、ng the Fixed-Point Reference Codec Simulation.44 35 3.5.3 Running the Reference Fixed-Point Codec Simulation44 36 3.5.4 File Formats45 37 3.5.5 Verifying Proper Operation of the Reference Fixed-Point Codec45 38 3.6 FIXED-POINT OEM TEST CODEC.47 39 3.6.1 Fixed-Point OEM Test Codec Program Files.47 40
25、 3.6.2 Compiling the Fixed-Point OEM Test Codec Simulation47 41 3.6.3 Running the Fixed-Point OEM Test Codec Simulation .47 42 3.6.4 File Formats48 43 3.6.5 Verifying Proper Operation of the Fixed-Point OEM Test Codec .48 44 3.6.5.1 OEM Fixed-point Codec Verification Processing Step1.49 45 3.6.5.2 O
26、EM Fixed-point Codec Verification Processing Step2.49 46 3.6.5.3 OEM Fixed-point Codec Verification Processing Step3.50 47 3.6.5.4 OEM Fixed-point Codec Verification Processing Step4.50 48 3.6.5.5 OEM Fixed-point Codec Verification Processing Step5.51 49 3.6.5.6 OEM Fixed-point Codec Verification Pr
27、ocessing Step6.51 50 3.6.5.7 OEM Fixed-point Codec Verification Processing Step7.51 51 TIA-894 CONTENTS iii 3.6.5.8 OEM Fixed-point Codec Verification Processing Step8.51 1 3.7 CONTENTS OF SOFTWARE DISTRIBUTION 52 2 APPENDIX A INFORMATIVE ADDENDUM TO THE SMV MPS . 54 3 A.1 INTRODUCTION .54 4 A.2 OVE
28、RVIEW OF THE SMV-MPS DISTRIBUTION .54 5 A.3 DATA SPACE SETUP FOR PERFORMANCE OF THE SMV_MPS TEST PROCEDURE.54 6 A.4 SMV MPS TEST PROCESSING 55 7 A.5 STEPS FOR PERFORMANCE OF THE SMV MPS TEST PROCESSING57 8 A.6 SMV MPS PC-LINUX HOST LAB PROCESSING SCRIPTS 60 9 A.7 SMV MPS SUN-UNIX HOST LAB PROCESSING
29、 SCRIPTS 64 10 A.8 PROCESSED FILES IDENTIFICATION 68 11 APPENDIX B PRESENTATION AND ANALYSIS WORKBOOK. 74 12 B.1 INTRODUCTION .74 13 B.2 THE EXCEL WORKBOOK .74 14 B.2.1 Processed File Identities.74 15 B.2.2 Experiment Overview.74 16 B.2.3 Experiment e Presentation Sequences Codec variant .74 17 B.2.
30、4 Experiment Raw Data Input Worksheet Codec variant.75 18 B.2.5 Experiment Dunnetts Analysis Worksheet Codec variant75 19 APPENDIX C HARDWARE-INCLUSIVE VERIFICATION PROCESSING . 77 20 C.1 OEM FIXED-POINT CODEC VERIFICATION STEP1 RUN PROCESS SCRIPT IN SECTION 21 3.6.5.178 22 C.2 HARDWARE-INCLUSIVE ST
31、EP2 REPLACES PROCESS SCRIPT IN SECTION 3.6.5.2.78 23 C.3 HARDWARE-INCLUSIVE STEP3 REPLACES PROCESS SCRIPT IN SECTION 3.6.5.3.89 24 C.3 HARDWARE-INCLUSIVE STEP3 REPLACES PROCESS SCRIPT IN SECTION 3.6.5.3.89 25 C.4 HARDWARE-INCLUSIVE STEP4 REPLACES PROCESS SCRIPT IN SECTION 3.6.5.4.121 26 C.4 HARDWARE
32、-INCLUSIVE STEP4 REPLACES PROCESS SCRIPT IN SECTION 3.6.5.4.121 27 C.5 OEM FIXED-POINT CODEC VERIFICATION STEP5 RUN PROCESS SCRIPT IN SECTION 28 3.6.5.5149 29 C.6 HARDWARE-INCLUSIVE STEP6 REPLACES PROCESS SCRIPT IN SECTION 3.6.5.6.149 30 C.7 OEM FIXED-POINT CODEC VERIFICATION STEP7 RUN PROCESS SCRIP
33、T IN SECTION 31 3.6.5.7177 32 C.8 OEM FIXED-POINT CODEC VERIFICATION STEP8 RUN PROCESS SCRIPT IN SECTION 33 3.6.5.8177 34 35 TIA-894 CONTENTS iv FIGURE 1.3-1. TEST MODEL .7 1 FIGURE 2.2.9-1. INSTRUCTIONS FOR LISTENERS.27 2 ANALYSIS OF VARIANCE (4 CODEC-COMBINATIONS X 64 LISTENERS) .29 3 ANALYSIS OF
34、VARIANCE (2 CODEC-COMBINATIONS X 64 LISTENERS) .30 4 FIGURE 2.2.12-1. MOS VERSUS MNRU 31 5 FIGURE 3.1.1-1. BASIC TEST EQUIPMENT.33 6 FIGURE 3.1.2-1. SUBJECTIVE TESTING EQUIPMENT CONFIGURATION 34 7 TABLE 2.1.1.2-1: ADR LIMITS FOR CLEAN AND NOISY SPEECH .10 8 TABLE 2.1.2-1: BAD PACKET FRAME NUMBERS IN
35、 TEST_BAD_PACKET.PKT.11 9 TABLE 2.1.2-2: STATISTICS OF BAD PACKETS IN TEST_BAD_PACKET.PKT11 10 TABLE 2.2.3.1-1. LISTENING EXPERIMENT I.16 11 TABLE 2.2.3.2-1. LISTENING EXPERIMENT II .17 12 TABLE 2.2.3.3-1. LISTENING EXPERIMENT III18 13 TABLE 2.2.3.4-1. NUMEROLOGY FOR LISTENING EXPERIMENTS 19 14 TABL
36、E 3.4.4-1. PACKET FILE STRUCTURE FROM MASTER CODEC/CHANNEL ERROR MODEL .41 15 TABLE 3.7.1 DESCRIPTION OF COMPANION SOFTWARE DISTRIBUTION CONTENTS52 16 17 TIA-894 v 1 Normative References 2 The following standards contain provisions, which, through reference in this text, constitute provisions of thi
37、s 3 Standard. At the time of publication, the editions indicated were valid. All standards are subject to revision, 4 and parties to agreements based on this Standard are encouraged to investigate the possibility of applying the 5 most recent editions of the standards indicated below. ANSI, 3GPP2, a
38、nd ITU-T maintain registers of currently 6 valid national standards published by them. 7 1. TIA-893-1, Selectable Mode Vocoder Service Option for Wideband Spread Spectrum Communication 8 Systems. 9 2. TIA/EIA/98-E, Recommended Minimum Performance Standards for cdma2000 Spread Spectrum Mobile 10 Stat
39、ions. 11 3. TIA/EIA/97-E-1, Recommended Minimum Performance Standards for cdma2000 Spread Spectrum Base 12 Stations. 13 4. TIA-2000.1-D, Introduction to cdma2000 Standards for Spread Spectrum Systems, June, 2000. 14 5. TIA-2000.2-D, Physical Layer Standard for cdma2000 Spread Spectrum Systems, June,
40、 2000. 15 6. TIA-2000.3-D, Medium Access Control (MAC) Standard for cdma2000 Spread Spectrum 29 Systems, June, 16 2000. 17 7. TIA-2000.4 -D, Signaling Link Access Control (LAC) Standard for cdma2000 Spread Spectrum Systems, 18 June, 2000. 19 8. TIA-2000.5-D, Upper Layer (Layer 3) Signaling Standard
41、for cdma2000 Spread Spectrum Systems, June, 20 2000. 21 9. TIA-2000.6-D, Analog Signaling Standard for cdma2000 Spread Spectrum Systems, June, 2000. 22 10. ANSI S1.4-1983 (R2001), American National Standards Specification for Sound Level Meters. 23 11. ANSI S1.4a-1985 (R2001), American National Stan
42、dards Specification for Sound Level Meters 24 (Supplement to ANSI S4.1-1983) 25 12. ITU-T, The International Telecommunications Union, Blue Book, Vol. III, Telephone Transmission 26 Quality, IXth Plenary Assembly, Melbourne, 14-25 November, 1988, Recommendation G.711, Pulse Code 27 Modulation (PCM)
43、of Voice Frequencies. 28 13. ITU-T Recommendation P.830 (08/96). Methods for Objective and Subjective Assessment of Quality. 29 Annex D - Modified IRS Send and Receive Characteristics (MIRS). 30 14. IEEE 269-1992 (R2002), Standard Method for Measuring Transmission Performance of Telephone Sets. 31 1
44、5. ANSI/IEEE STD 661-1979, IEEE Standard Method for Determining Objective Loudness Ratings of 32 Telephone Connections. 33 16. ITU-T Recommendation P.800 (08/96). Methods for Subjective Determination of Transmission Quality. 34 Annex B- Listening tests - Absolute Category Rating (ACR). 35 TIA-894 vi
45、 17. Secretariat, Computer and Business Equipment Manufacturers Association, American National Standard 1 for Information Systems - Programming Language - C, ANSI X3.159-1989, American National Standards 2 Institute, 1989. 3 18. ITU-T Recommendation G.168 (04/00). Digital network echo cancellers. 4
46、19. ITU-T Recommendation P.810 (02/96). Modulated noise reference unit (MNRU). 5 20. ITU-T Recommendation P.56 (03/93). Objective measurement of active speech level. 6 21. ITU-T Rec. G.191 Software Tools for Speech and Audio Coding Standardization. ITU, Geneva, November 7 1996. 8 22. Users Group on
47、Software Tools, ITU-T Software Tool Library Manual; ITU, Geneva, 2000 (distributed 9 with the software for the STL2000) 10 v11 TIA-894 vii 1 Trademarks 2 cdma2000is a registered trademark of the Telecommunications Industry Association (TIAUSA). 3 4 UNIXis a registered trademark in the United States
48、and other countries, licensed exclusively through X/Open 5 Company, Ltd. 6 7 LINUXis a registered trademark of Linus Torvalds. 8 9 MS-DOSis a registered trademark of Microsoft, Inc. 10 11 Sunis a registered trademark of Sun Microsystems Inc. 12 13 Windowsis a registered trademark of Microsoft, Inc.
49、14 15 Excelis a registered trademark of Microsoft Corporation. 16 17 Wordis a registered trademark of Microsoft Corporation. 18 19 TIA-894 1 1 INTRODUCTION 1 This standard details definitions, methods of measurement, verification of bit-exactness, and minimum 2 performance characteristics of TIA-893-111Selectable Mode Vocoder (SMV) for digital cellular wideband 3 spread spectrum mobile stations and base stations. This standard shares the purpose of TIA/EIA-98-E 2 and 4 TIA/EIA-97-E-1 3. This is to ensu
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