TIA-1017-A-2005 Minimum Performance Specification for the Source-Controlled Variable-Rate Multimode Wideband Speech Codec (VMR-WB) - Service Option 62 for Spread Spectrum Systems (.pdf

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11、G WITHOUT LIMITATION ANY AND ALL INDIRECT, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES (INCLUDING DAMAGES FOR LOSS OF BUSINESS, LOSS OF PROFITS, LITIGATION, OR THE LIKE), WHETHER BASED UPON BREACH OF CONTRACT, BREACH OF WARRANTY, TORT (INCLUDING NEGLIGENCE), PRODUCT LIABILITY OR OTHERWISE, EVEN IF

12、ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. THE FOREGOING NEGATION OF DAMAGES IS A FUNDAMENTAL ELEMENT OF THE USE OF THE CONTENTS HEREOF, AND THESE CONTENTS WOULD NOT BE PUBLISHED BY TIA WITHOUT SUCH LIMITATIONS. TIA-1017-A i1 TABLE OF CONTENTS 2 TABLE OF CONTENTSI 3 1 INTRODUCTION .1 4 1.1 SCOPE3 5

13、 1.2 DEFINITIONS .5 6 1.3 TEST MODEL FOR THE SPEECH CODEC 7 7 2 CODEC MINIMUM STANDARDS.9 8 2.1 OBJECTIVE PERFORMANCE TESTING .9 9 2.1.1 Average Data Rate Test .9 10 2.1.1.1 Average Data Rate Computation10 11 2.1.1.2 Average Data Rate Requirement .11 12 2.1.2 Bad Packet Detection Test .11 13 2.1.2.1

14、 Bad Packet Detection Test for Rate-set II Compliant Modes.11 14 2.1.2.2 Bad Packet Detection Test for Rate-Set I Compliant Mode .12 15 2.1.3 Ensuring Proper Encoded Frame Packet Files.13 16 2.1.4 Unity Gain Requirement14 17 2.1.5 Limits on Algorithmic Delay.14 18 2.2 SUBJECTIVE PERFORMANCE TESTING1

15、5 19 2.2.1 Definition .15 20 2.2.2 Method of Measurement .15 21 2.2.3 Test Conditions .15 22 2.2.3.1 Subjective Experiment I16 23 2.2.3.2 Subjective Experiment II.18 24 2.2.3.3 Subjective Experiment III20 25 2.2.3.4 Numerical Parameters for Listening Experiments 22 26 2.2.4 Source Speech Material24

16、27 2.2.4.1 Source File Naming Procedure.25 28 2.2.4.2 Source Speech Material for Experiment I.25 29 2.2.4.3 Source Speech Material for Experiment II26 30 2.2.4.4 Source Speech Material for Experiment III.26 31 2.2.5 Processing of Speech Material .26 32 2.2.5.1 Processed File Naming Procedure.26 33 2

17、.2.5.2 Encoding by the Master and Test Codecs29 34 2.2.5.2.1 Encoding by the Master Codec 29 35 2.2.5.2.2 Encoding by the Test Codec 29 36 2.2.5.3 Decoding by the Master/Test and Test/Master Codecs .29 37 2.2.5.4 Introduction of Impairments 29 38 2.2.6 Randomization 29 39 2.2.7 Presentation30 40 2.2

18、.8 Listeners30 41 2.2.9 Listening Test Procedure 31 42 2.2.10 Analysis of Results32 43 2.2.11 Minimum Subjective Performance Requirement 32 44 2.2.11.1 Rate-set II MSPR for Three Test-conditions with Four Codec-combinations.32 45 2.2.11.2 Rate-set I MSPR for Four Test-conditions with Four Codec-comb

19、inations33 46 2.2.12 Expected Results for Reference Conditions .35 47 3 CODEC STANDARD TEST CONDITIONS 37 48 3.1 STANDARD EQUIPMENT .37 49 3.1.1 Basic Equipment .37 50 3.1.2 Subjective Test Equipment .38 51 TIA-1017-A ii3.1.2.1 Audio Path 39 1 3.1.2.2 Calibration.39 2 3.2 STANDARD ENVIRONMENTAL TEST

20、 CONDITIONS.39 3 3.3 STANDARD SOFTWARE TEST TOOLS40 4 3.3.1 Floating-point Reference Codec wb_enc_fl(.exe), wb_dec_fl(.exe)40 5 3.3.2 Fixed-point Reference Codec wb_enc_fx(.exe), wb_dec_fx(.exe)40 6 3.3.3 Fixed-point OEM Test Codec wb_enc_ft(.exe), wb_dec_ft(.exe)41 7 3.3.4 Channel Model Utilities f

21、ersig26(.exe) and vmrwb_iwf(.exe).41 8 3.3.5 Channel Error and Signaling Masks fer_Xpct_mask(.bin) and d_b_Ypct_mask(.bin).42 9 3.3.6 VMR-WB Host Lab Codecs Processing Scripts .42 10 3.3.6.1 vmrwbacdrc_tvecinit (vmrwbbcdrc_tvecinit).43 11 3.3.6.2 vmrwbacdrc_shtchk (vmrwbbcdrc_shtchk).43 12 3.3.6.3 v

22、mrwbacdr_lngchk (vmrwbbcdr_lngchk) 43 13 3.3.6.4 vmrwbacdr_chkdif (vmrwbbcdr_chkdif) 43 14 3.3.6.5 vmrwbacdr_intrcnct (vmrwbbcdr_intrcnct)43 15 3.3.6.6 vmrwbacdr_mode3sim43 16 3.3.7 VMR-WB Host Lab Codecs and References Post-Processing Scripts 43 17 3.3.7.1 vmrwbacdr_pstprc (vmrwbbcdr_pstprc) .43 18

23、 3.3.7.2 vmrwbaref_pstprc (vmrwbbref_pstprc).44 19 3.3.7.3 vmrwbacdr_split_files (vmrwbbcdr_split_files) .44 20 3.3.8 STL2000 Utilities.44 21 3.3.8.1 STL2000 Active Level Utility actlev(.exe) 44 22 3.3.8.2 STL2000 Sentence-pair Stripping Utility astrip(.exe) 44 23 3.3.8.3 STL2000 Operator Utility fd

24、elay(.exe) .44 24 3.3.8.4 STL2000 MNRU Utility mnrudemo(.exe).44 25 3.3.8.5 STL2000 Scaling Utility scaldemo(.exe)44 26 3.3.9 VMR-WB Packet Sanity Check Utility pkt_sanity_check(.exe)45 27 3.3.10 VMR-WB MPS Software Distribution45 28 3.4 FLOATING-POINT REFERENCE CODEC46 29 3.4.1 Floating-Point Refer

25、ence Codec Program Files .46 30 3.4.2 Compiling the Floating-Point Reference Codec Simulation46 31 3.4.3 Running the Floating-point Reference Codec Simulation.46 32 3.4.4 File Formats 48 33 3.4.5 Verifying Proper Operation of the Floating-Point Reference Codec.49 34 3.4.5.1 Verifying Proper Operatio

26、n of the Rate-set II Floating-Point Reference Codec.49 35 3.4.5.2 Verifying Proper Operation of the Rate-set I Floating-Point Reference Codec50 36 3.5 FIXED-POINT REFERENCE CODEC52 37 3.5.1 Fixed-Point Reference Codec Program Files .52 38 3.5.2 Compiling the Fixed-Point Reference Codec Simulation52

27、39 3.5.3 Running the Fixed-Point Reference Codec Simulation 53 40 3.5.4 File Formats 54 41 3.5.5 Verifying Proper Operation of the Fixed-Point Reference Codec.54 42 3.5.5.1 Verifying Proper Operation of the Rate-set II Fixed-Point Reference Codec.55 43 3.5.5.2 Verifying Proper Operation of the Rate-

28、set I Fixed-Point Reference Codec56 44 3.6 FIXED-POINT OEM TEST CODEC .57 45 3.6.1 Fixed-Point OEM Test Codec Program Files57 46 3.6.2 Compiling the Fixed-Point OEM Test Codec Simulation 57 47 3.6.3 Running the Fixed-Point OEM Test Codec Simulation.57 48 3.6.4 File Formats 58 49 3.6.5 Verifying Prop

29、er Operation of the Fixed-Point OEM Test Codec .59 50 3.6.5.1 OEM Fixed-point Codec Verification Processing Step1 60 51 3.6.5.1.1 OEM Fixed-point Rate-set II Codec Verification Processing Step160 52 3.6.5.1.2 OEM Fixed-point Rate-set I Codec Verification Processing Step1 .60 53 3.6.5.2 OEM Fixed-poi

30、nt Codec Verification Processing Step2 61 54 3.6.5.2.1 OEM Fixed-point Rate-set II Codec Verification Processing Step261 55 3.6.5.2.2 OEM Fixed-point Rate-set I Codec Verification Processing Step2 .61 56 3.6.5.3 OEM Fixed-point Codec Verification Processing Step3 62 57 3.6.5.3.1 OEM Fixed-point Rate

31、-set II Codec Verification Processing Step362 58 TIA-1017-A iii3.6.5.3.2 OEM Fixed-point Rate-set I Codec Verification Processing Step3 .62 1 3.6.5.4 OEM Fixed-point Codec Verification Processing Step4 63 2 3.6.5.4.1 OEM Fixed-point Rate-set II Codec Verification Processing Step463 3 3.6.5.4.2 OEM F

32、ixed-point Rate-set I Codec Verification Processing Step4 .63 4 3.6.5.5 OEM Fixed-point Codec Verification Processing Step5 64 5 3.6.5.5.1 OEM Fixed-point Rate-set II Codec Verification Processing Step564 6 3.6.5.5.2 OEM Fixed-point Rate-set I Codec Verification Processing Step5 .64 7 3.6.5.6 OEM Fi

33、xed-point Codec Verification Processing Step6 65 8 3.6.5.6.1 OEM Fixed-point Rate-set II Codec Verification Processing Step665 9 3.6.5.6.2 OEM Fixed-point Rate-set I Codec Verification Processing Step6 .65 10 3.6.5.6.3 Simulation Fixed-point Rate-set II Codec Substitution Processing Step6.1 .66 11 3

34、.6.5.7 OEM Fixed-point Codec Verification Processing Step7 66 12 3.6.5.7.1 OEM Fixed-point Rate-set II Codec Verification Processing Step766 13 3.6.5.7.2 OEM Fixed-point Rate-set I Codec Verification Processing Step7 .66 14 3.6.5.8 OEM Fixed-point Codec Verification Processing Step8 67 15 3.6.5.8.1

35、OEM Fixed-point Rate-set II Codec Verification Processing Step867 16 3.6.5.8.2 OEM Fixed-point Rate-set II Codec Verification Processing Step867 17 3.7 CONTENTS OF SOFTWARE DISTRIBUTION .67 18 APPENDIX A INFORMATIVE ADDENDUM TO THE VMR-WB MPS 69 19 A.1 INTRODUCTION .69 20 A.2 OVERVIEW OF THE VMR-WB

36、MPS DISTRIBUTION.69 21 A.3 DATA SPACE SETUP FOR PERFORMANCE OF THE VMR-WB MPS TEST PROCEDURE.69 22 A.4 VMR-WB MPS TEST PROCESSING 70 23 A.5 STEPS FOR PERFORMANCE OF THE VMR-WB MPS TEST PROCESSING.72 24 A.6 VMR-WB MPS RATE-SET II HOST LAB PROCESSING SCRIPTS .76 25 A.7 VMR-WB MPS RATE-SET I HOST LAB P

37、ROCESSING SCRIPTS 81 26 A.8 PROCESSED FILES IDENTIFICATION .86 27 APPENDIX B PRESENTATION AND ANALYSIS WORKBOOK.95 28 B.1 INTRODUCTION .95 29 B.2 THE EXCELWORKBOOK .95 30 B.2.1 Processed File Identities .95 31 B.2.2 ADR Input and Analysis Worksheets .95 32 B.2.3 Experiment e Overview97 33 B.2.4 Expe

38、riment e Presentation Sequences97 34 B.2.5 Experiment e Raw Data Input Worksheet 97 35 B.2.6 Experiment e Dunnetts Analysis Worksheet nv Codec .98 36 APPENDIX C HARDWARE-INCLUSIVE VERIFICATION PROCESSING.99 37 C.1 OEM FIXED-POINT CODEC VERIFICATION STEP1 RUN PROCESS SCRIPT IN SECTION 3.6.5.1.100 38

39、C.2 HARDWARE-INCLUSIVE STEP2 REPLACES PROCESS SCRIPT IN SECTION 3.6.5.2.100 39 C.3 HARDWARE-INCLUSIVE STEP3 REPLACES PROCESS SCRIPT IN SECTION 3.6.5.3.101 40 C.4 HARDWARE-INCLUSIVE STEP4 REPLACES PROCESS SCRIPT IN SECTION 3.6.5.4.102 41 C.5 OEM FIXED-POINT CODEC VERIFICATION STEP5 RUN PROCESS SCRIPT

40、 IN SECTION 3.6.5.5.102 42 C.6 HARDWARE-INCLUSIVE STEP6 REPLACES PROCESS SCRIPT IN SECTION 3.6.5.6.103 43 C.7 OEM FIXED-POINT CODEC VERIFICATION STEP7 RUN PROCESS SCRIPT IN SECTION 3.6.5.7.104 44 C.8 OEM FIXED-POINT CODEC VERIFICATION STEP8 RUN PROCESS SCRIPT IN SECTION 3.6.5.8.104 45 46 TIA-1017-A

41、ivFIGURE 1.3-1. TEST MODEL.7 1 FIGURE 2.2.9-1. INSTRUCTIONS FOR LISTENERS .31 2 FIGURE 2.2.12-1. MOS VERSUS MNRU.35 3 FIGURE 3.1.1-1. BASIC TEST EQUIPMENT .37 4 FIGURE 3.1.2-1. SUBJECTIVE TESTING EQUIPMENT CONFIGURATION .38 5 6 TABLE 2.1.1.2-1: ADR LIMITS FOR CLEAN AND NOISY SPEECH.11 7 TABLE 2.1.2.

42、1-1: BAD PACKET FRAME NUMBERS IN TEST_BAD_PACKET_RSII.PKT12 8 TABLE 2.1.2.1-2: STATISTICS OF BAD PACKETS IN TEST_BAD_PACKET_RSII.PKT12 9 TABLE 2.1.2.2-1: BAD PACKET FRAME NUMBERS IN TEST_BAD_PACKET_RSI.PKT.13 10 TABLE 2.1.2.2-2: STATISTICS OF BAD PACKETS IN TEST_BAD_PACKET_RSI.PKT.13 11 TABLE 2.2.3.

43、1-1. LISTENING EXPERIMENT I.16 12 TABLE 2.2.3.1-2. RATE-SET I LISTENING EXPERIMENT I.17 13 TABLE 2.2.3.2-1. LISTENING EXPERIMENT II18 14 TABLE 2.2.3.2-2. RATE-SET I LISTENING EXPERIMENT II19 15 TABLE 2.2.3.3-1. LISTENING EXPERIMENT III.20 16 TABLE 2.2.3.3-2. RATE-SET I LISTENING EXPERIMENT III.21 17

44、 TABLE 2.2.3.4-1. NUMERICAL PARAMETERS FOR THE RATE-SET II LISTENING EXPERIMENTS 22 18 TABLE 2.2.3.4-2. NUMERICAL PARAMETERS FOR THE RATE-SET I LISTENING EXPERIMENTS .23 19 TABLE 3.4.4-1. OUTPUT PACKET FILE STRUCTURE FOR THE RATE-SET II WIDEBAND CODEC 48 20 TABLE 3.4.4-2. OUTPUT PACKET FILE STRUCTUR

45、E FOR THE RATE-SET I WIDEBAND CODEC .49 21 TABLE 3.7.1 DESCRIPTION OF COMPANION SOFTWARE DISTRIBUTION CONTENTS .67 22 23 TIA-1017-A vNOTES 1 1. The associated TIA-1016-A, “Source-Controlled Variable-Rate Multimode Wideband Speech 2 Codec (VMR-WB) Service Options 62 and 63” provides the algorithmic s

46、pecification. 3 2. This document uses the following verbal forms: “Shall” and “shall not” identify requirements 4 to be followed strictly to conform to the standard and from which no deviation is permitted. 5 “Should” and “should not” indicate that one of several possibilities is recommended as 6 pa

47、rticularly suitable, without mentioning or excluding others; that a certain course of action is 7 preferred but not necessarily required; or that (in the negative form) a certain possibility or 8 course of action is discouraged but not prohibited. “May” and “need not” indicate a course of 9 action p

48、ermissible within the limits of the standard. “Can” and “cannot” are used for 10 statements of possibility and capability, whether material, physical, or causal. 11 3. Footnotes appear at various points in this specification to elaborate and further clarify items 12 discussed in the body of the spec

49、ification. 13 4. Unless indicated otherwise, this document presents numbers in decimal form. 14 5. Binary numbers are distinguished in the text by the use of single quotation marks. In some 15 tables, binary values may appear without single quotation marks if table notation clearly 16 specifies that values are binary. The character x is used to represent a binary bit of 17 unspecified value. For example xxx00010 represents any 8-bit binary value such that the 18 least significant fiv