AHRI 1140 : 2012
Current
The latest, up-to-date edition.
SOUND QUALITY EVALUATION PROCEDURES FOR AIR-CONDITIONING AND REFRIGERATION EQUIPMENT
12-01-2013
Section 1. Purpose
Section 2. Scope
Section 3. Definitions
Section 4. Test Requirements
Section 5. Sound Quality Evaluation Procedures
Section 6. Minimum Data Requirements for Published Values
Section 7. Conformance Conditions
APPENDICES
Appendix A. References - Normative
Appendix B. References - Informative
Appendix C. ARI Sound Quality Indicator Calculation
Procedure - Normative
Appendix D. Adjustments For Subjective Response To Discrete
Frequencies (Tones) - Informative
Appendix E. Example Calculation of AHRI Sound Quality
Indicator - Informative
Appendix F. Example Output from AHRI Calculation Software
Including AHRI SQI Metric and Zwicker ISO 532B
Loudness Metrics - Informative
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