Glossary entry (derived from question below)
Sep 18, 2010 18:59
13 yrs ago
4 viewers *
English term
headroom
English to Croatian
Tech/Engineering
Electronics / Elect Eng
back up power saving devices
Instantaneous Headroom Watts (W) and Peak Headroom W with time stamp
Proposed translations
(Croatian)
4 | rezerva signala | Natasa Stankovic |
Proposed translations
1 hr
Selected
rezerva signala
headroom: The amount of additional signal above the nominal input level that can be sent into or out of an electronic device before clipping distortion occurs.
http://www.digitalhymnal.org/glossary_a-l.html
– Rezerva signala (headroom) za sve komponente ne mora biti jednaka – mogućnost izobličenja
– Moramo smanjiti razinu ispod “jediničnog” pojačanja
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Potrebna rezerva (headroom)
• Za govor = 10 dB
• Za glazbu = 20 dB
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– Lp – prosječna glasnoća na udaljenosti D2
– H – rezerva (headroom) u dB
– Ls – osjetljivost zvučnika – razina na 1m pri 1W
– D2 – udaljenost do najdaljeg slušatelja
http://www.fer.hr/_download/repository/9._Predavanje_-_Struk...
Muzička se snaga zato kod kvalitetnijih uređaja danas sve češće iskazuje preko podatka za dynamic headroom. Kolika je dinamička rezerva pojačala saznaje se kad se razlika između vršne i trajne snage izrazi u dB. Tako, ako pojačalo ima vršnu snagu od 22 dBW (150 W), a trajnu od 20 dBW (100 W) onda je njegova dinamička rezerva 2 dB. Što je veći broj, dakle, to bolje.
http://www.bug.hr/forum/topic/audio-video-playeri-recorderi/...
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Discussion
# Headroom (audio signal processing), in digital and analog audio signal processing, the difference between the nominal signal value and the maximum undistorted value
# Headroom (photographic framing), in camera work, the space between the top of the head and the upper frame limit