1.1 TELECOMMUNICATIONS INDUSTRY ASSOCIATION TR-41.3.11/ 04-05-003-L (TIA) Charlotte, NC May 6, 2004 [Gray shading indicates required element
To be ANSI/TIA-470.130-C 1 2 SCOPE 1 This standard provides headset acoustic performance requirements for Customer Premises 2 Equipment (CPE) inte
To be ANSI/TIA-470.130-C 2 3 REFERENCES 16 The following standards contain provisions, which, through reference in this text, constitute 17 provis
To be ANSI/TIA-470.130-C 3 8. ITU-T Recommendation P.58 (1996) – Head and Torso Simulator for Telephonometry 50 9. TIA-920-2002 – Transmission R
To be ANSI/TIA-470.130-C 4 4 ABBREVIATIONS, ACRONYMS, AND DEFINITIONS 55 4.1 ABBREVIATIONS AND ACRONYMS 56 For the purposes of this standard, the
To be ANSI/TIA-470.130-C 5 4.2 DEFINITIONS 83 For the purposes of this standard, the following definitions apply. 84 +12 dB Volume Control Setting
To be ANSI/TIA-470.130-C 6 Off-Hook: The state of the CPE when the hook-switch is closed. Refers to the state of a 121 particular CPE rather tha
To be ANSI/TIA-470.130-C 7 5 TECHNICAL REQUIREMENTS 162 5.1 CATEGORIES OF CRITERIA 163 Four types of requirements are specified in this standard:
To be ANSI/TIA-470.130-C 8 5.2.2 Estimated Real Use Position 201 If the headset to be tested does not have a manufacturer specified RTP, then an
To be ANSI/TIA-470.130-C 9 5.3 TEST CIRCUITS 246 The following test circuits are referenced in this document: 247 5.3.1 Send Testing with Artific
To be ANSI/TIA-470.130-C Telecommunications Telephone Terminal Equipment Headset Acoustic Performance Requirements for Analog Telephones
To be ANSI/TIA-470.130-C 10 5.3.3 Sidetone Testing with Artificial Lines 259 260 TipRingRxTxArtificial lineNo.26 AWGnon-loaded cableDC Feed Circ
To be ANSI/TIA-470.130-C 11 5.3.4 DC Feed Circuit 265 The dc feed circuit must supply the CPE power and interface to test equipment such that the
To be ANSI/TIA-470.130-C 12 5.3.6 Artificial Lines 288 This standard has transmission requirements for CPE when connected to 0 km, 2.7 km and 4.6
To be ANSI/TIA-470.130-C 13 5.3.7 CPE Load Simulator 300 The CPE Load Simulator shall model the dc V-I characteristic in Figure 6 (as measured at
To be ANSI/TIA-470.130-C 14 L11 H 600 ΩR1 1 W 47 Ω 100 ΩT ( +)R (–)20 µF20 µF 311 312 NOTES: 313 1. Circuit is polarity sensitive. 314 2.
To be ANSI/TIA-470.130-C 15 5.4 SEND PERFORMANCE 325 5.4.1 General 326 The send performance of an analog telephone with headset is determined by i
To be ANSI/TIA-470.130-C 16 Send Frequency Response LimitsFloating Mask-20-1001020100 1000 10000Frequency (Hz)dB (arbitrary) 344 Figure 8 – Headse
To be ANSI/TIA-470.130-C 17 5.4.3 Headset Send Loudness Rating (SLR) 351 5.4.3.1 Basic Requirement 352 The SLR values for 0 km, 2.7 km, and 4.6 k
To be ANSI/TIA-470.130-C 18 5.4.4 Headset Send Linearity 387 The CPE shall meet either the sinusoidal stimulus requirement or the artificial spee
To be ANSI/TIA-470.130-C 19 5.4.5 Headset Send Distortion 421 5.4.5.1 Headset Send Amplitude Normalized Total Harmonic Distortion (ANTHD) 422 Se
To be ANSI/TIA-470.130-C i The TR-41.3.11 Working Group acknowledges the contributions made by the following individuals in the development of th
To be ANSI/TIA-470.130-C 20 5.4.6 Headset Send Noise 439 The send noise measurements shall be made as described in IEEE Std 269 using the psophom
To be ANSI/TIA-470.130-C 21 5.4.6.3 Headset Off-Hook Send Single Frequency Interference 470 5.4.6.3.1 General 471 Narrow-Band noise, including si
To be ANSI/TIA-470.130-C 22 5.5 RECEIVE PERFORMANCE 506 5.5.1 General 507 The receive performance of an analog telephone with headset is determine
To be ANSI/TIA-470.130-C 23 Receive Frequency Response LimitsFloating Mask -30-20-1001020100 1000 10000Frequency (Hz)dB (arbitrary)Desired Low Des
To be ANSI/TIA-470.130-C 24 5.5.3 Headset Receive Loudness Rating (RLR) 541 5.5.3.1 Basic Requirement 542 The RLR values for 0 km, 2.7 km, and 4.
To be ANSI/TIA-470.130-C 25 5.5.4 Headset Receive Linearity 578 The CPE should meet either the sinusoidal requirement or the artificial speech re
To be ANSI/TIA-470.130-C 26 5.5.5 Headset Receive Distortion 611 5.5.5.1 Headset Receive Amplitude Normalized Total Harmonic Distortion (ANTHD)
To be ANSI/TIA-470.130-C 27 5.5.6 Headset Receive Noise 631 The receive noise measurements shall be referenced to the ERP. 632 633 5.5.6.1 Head
To be ANSI/TIA-470.130-C 28 673 5.5.7 Headset Receiver Volume Controls 674 The receiver volume control performance requirements are below. 675
To be ANSI/TIA-470.130-C 29 5.6 SIDETONE PERFORMANCE 690 5.6.1 General 691 The sidetone performance of an analog telephone with headset is determ
To be ANSI/TIA-470.130-C ii Name Representing
To be ANSI/TIA-470.130-C 30 5.7 ACOUSTIC STABILITY 729 The Reference Corner Jig (RCJ) used for acoustic stability testing shall consist of 3 plan
To be ANSI/TIA-470.130-C 31 Table 12 – Reference corner handset placement for stability test 750 Handset Test Orientation Description #1 Per Figur
To be ANSI/TIA-470.130-C 32 Annex A (Normative) – Noise Curves 757 The send and receive noise weighting curves are shown for reference. 758 A.1
To be ANSI/TIA-470.130-C 33 766 Send Noise Weighting Curves Comparison-85-75-65-55-45-35-25-15-5510 100 1000 10000Frequency (Hz)dBPsophometric C-
To be ANSI/TIA-470.130-C 34 A.2 Receive Noise Curve 771 The A-weighting curve is defined in ANSI S1.4-1983 (Reaff. 2001) 772 773 Table A.3 – A-w
To be ANSI/TIA-470.130-C 35 Annex B (Normative) – Calculation of Loudness Ratings 779 This Annex details the loudness rating calculations and wei
To be ANSI/TIA-470.130-C 36 B.2 Receive Loudness Rating (Handset): 818 819 820 Band 17 821 RLR = - 57.1 log10 ∑ 10(0.1 * 0.175 * (SJE – Wr
To be ANSI/TIA-470.130-C 37 846 Table B.1 – ITU-T P.79 Tables 1, 2 and 3, Weighting factors for calculating loudness ratings 847 Band No. Mid-fr
To be ANSI/TIA-470.130-C 38 Annex C (Normative) – ISO R-40 Frequencies 849 850 Table C.1 – ISO R-40, ISO R-10,1/12th Octave and 1/3rd Octave Fre
To be ANSI/TIA-470.130-C 39 Table C.2 – ISO R-40, ISO R-10,1/12th Octave and 1/3rd Octave Frequencies (Continued) 853 R40 Preferred Frequencies, H
To be ANSI/TIA-470.130-C iii TABLE OF CONTENTS 1.1 TELECOMMUNICATIONS INDUSTRY ASSOCIATION...
To be ANSI/TIA-470.130-C 40 Annex D (Informative) – Receive Acoustic Limiting 855 Previous versions of this standard have included Receive Acoust
To be ANSI/TIA-470.130-C 41 Annex E (Informative) – Loudness Ratings For Telephones On PBX, VGs and 859 DLCs 860 861 The 0 km and 2.7 km normati
To be ANSI/TIA-470.130-C 42 The attenuation between 2.7 km and 4.6 km is assumed to be 3 dB, based on the attenuation rate 909 above. However, Ta
To be ANSI/TIA-470.130-C 43 Annex F (Informative) – Loss Plan and Loudness Rating References and 929 Hierarchy 930 931 G.101SLR 8 dB1RLR 2 dBOLR
To be ANSI/TIA-470.130-C 44 Annex G (Informative) – Nominal Frequency Response Characteristics and 936 Loudness Rating Calculations 937 This stan
To be ANSI/TIA-470.130-C 45 The exact calculations in the table give the following relationships between P.79 and IEEE Std 661 984 loudness rating
To be ANSI/TIA-470.130-C 46 -20 -10 0 10 100 1000 10000Frequency (Hz)dB 1009 Figure G.1 – Nominal send frequency response 1010 1011 1012 -20 -
To be ANSI/TIA-470.130-C 47 1016 Table G.1 – Nominal Frequency Response Characteristics and Loudness Ratings Calculations 1017 1018 Nominal N
To be ANSI/TIA-470.130-C 48 Annex H (Informative) – Use Of The Free Field As The Telephonometric 1020 Reference Point 1021 Current performance req
To be ANSI/TIA-470.130-C 49 The HATS ear simulator replicates the resonances that occur in a typical human pinna and ear canal 1046 system, and me
To be ANSI/TIA-470.130-C iv 5.4.4.4 Method of Measurement...18 5.4.5 Head
To be ANSI/TIA-470.130-C v 5.5.6.2.1 General...
To be ANSI/TIA-470.130-C vi Table of Figures Figure 1 – Test circuit for send measurements.....
To be ANSI/TIA-470.130-C vii Table of Tables Table 1 – Artificial line segment component values.............
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