RECOMMENDED METHODS OF MEASUREMENT ON RECEIVERS FOR TELEVISION BROADCAST TRANSMISSIONS - ELECTRICAL MEASUREMENTS ON MULTICHANNEL SOUND TELEVISION RECEIVERS USING THE TWO-CARRIER FM SYSTEM
International Electrotechnical Committee
FOREWORD
CHAPTER I: GENERAL
SECTION ONE - INTRODUCTION
1 Scope
2 Object
SECTION TWO - EXPLANATION OF TERMS
3 Definition of modes
4 Pilot signal
5 Identification signal modulation
6 Modes of operation
6.1 Dual-sound mode
6.2 Stereophonic mode
6.3 Monaural mode
SECTION THREE - GENERAL NOTES ON MEASUREMENTS
7 General conditions
8 Standard output power and voltage
8.1 Standard output power for loudspeaker
8.2 Standard line output voltage
9 Setting of tone controls
10 Setting of stereo balance control
11 Receiver tuning
21 Radio-frequency signals
13 Weighted and unweighted audio noise measurement
14 Standard measuring conditions
SECTION FOUR - SUPPRESSION OF LINE-SCAN FREQUENCY
INTERFERENCE AT THE AUDIO OUTPUTS
15 Introduction
16 Definition
17 Method of measurement
18 Presentation of results
CHAPTER II: ELECTRICAL RESPONSE MEASUREMENTS
SECTION FIVE - AUDIO-FREQUENCY RESPONSE CHARACTERISTICS
19 Definition
20 Method of measurement in the dual-sound mode
21 Method of measurement in the stereophonic mode
22 Presentation of results
CHAPTER III: AUDIO-FREQUENCY NON-LINEARITY DISTORTION
SECTION SIX - HARMONIC DISTORTION VERSUS OUTPUT POWER
23 Definition
24 Method of measurement in the dual-sound mode
25 Method of measurement in the stereophonic mode
26 Presentation of results
SECTION SEVEN - HARMONIC DISTORTION VERSUS MODULATION
FACTOR
27 Definition
28 Method of measurement in the dual-sound mode
29 Method of measurement in the stereophonic mode
30 Presentation of results
CHAPTER IV: INTERNALLY GENERATED INTERFERENCE
SECTION EIGHT - SIGNAL-TO-NOISE RADIO INCLUDING PICTURE
TO SOUND CROSSMODULATION
31 Introduction
32 Method of measurement in dual-sound mode
33 Method of measurement in the stereophonic mode
34 Presentation of results
CHAPTER V: MODE IDENTIFICATION
35 Definition
36 Method of measurement for critical video modulation
37 Method of measurement for critical audio modulation
38 Presentation of results
SECTION TEN - MODE IDENTIFICATION SENSITIVITY
39 Definition
40 Method of measurement in the dual-sound mode
41 Method of measurement in the stereophonic mode
42 Presentation of results
CHAPTER VI: AUDIO CHANNEL SEPARATION
43 Definition
44 Method of measurement
45 Presentation of results
SECTION TWELVE - STEREOPHONIC SEPARATION
46 Definition
47 Method of measurement
48 Presentation of results
Applies to television receivers designed for the reception of television broadcast transmissions with multichannel sound using the two-carrier FM-system.
| Document Type | Standard |
| Status | Current |
| Publisher | International Electrotechnical Committee |
| Committee | SC 12A |
