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The Government of Canada’s terminology and linguistic data bank.
DYNAMIC HEADROOM RATING [1 record]
Record 1 - internal organization data 2015-02-25
Record 1, English
Record 1, Subject field(s)
- Audio Technology
Record 1, Main entry term, English
- music power output
1, record 1, English, music%20power%20output
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
- music power 2, record 1, English, music%20power
correct
- dynamic power 2, record 1, English, dynamic%20power
correct
- IHF power 3, record 1, English, IHF%20power
correct
- momentary power output 4, record 1, English, momentary%20power%20output
correct
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
The short-term power available from an amplifier for the reproduction of program material. The music power output exceeds the rms power rating to a greater or lesser extent. Its measurement is standardized by the Institute of High Fidelity (IHF) and represents a practical means of stating the actual capabilities of an amplifier for the reproduction of program material. 2, record 1, English, - music%20power%20output
Record number: 1, Textual support number: 1 OBS
This concept has been replaced in the new IHF standard(IHF-A-202, 1978) with that of "dynamic headroom rating".(cf. AUDIO 62(6), 1978, p. 32). 5, record 1, English, - music%20power%20output
Record 1, Key term(s)
- dynamic headroom rating
Record 1, French
Record 1, Domaine(s)
- Électroacoustique
Record 1, Main entry term, French
- puissance musicale
1, record 1, French, puissance%20musicale
correct, feminine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record number: 1, Textual support number: 1 DEF
Puissance d'un amplificateur qui se calcule en fonction de la dynamique (...). Soit, le rapport entre les pianissimo et fortissimo. La puissance moyenne se situant entre les deux et en admettant un certain taux de distorsion (la moyenne audible d'un taux de distorsion est de 5%!), affectant les fortissimo sur un temps très court (pratiquement inaudible), on trouve une puissance musicale supérieure d'environ 20% à 30% à la puissance efficace. 1, record 1, French, - puissance%20musicale
Record number: 1, Textual support number: 1 OBS
On a proposé dans une nouvelle norme IHF (1978) de remplacer cette notion par celle de la capacité de surcharge en dB d'un ampli. (cf. NOSON, 22, 1978, p. 276). 2, record 1, French, - puissance%20musicale
Record 1, Spanish
Record 1, Textual support, Spanish
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