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tom's hardware
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Jan 28, 2005
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Sennheiser Glossary: an alphabetical list of terms and definitions used in studio recording from the field of acoustics.
AB powering:
Low DC voltage with a high internal resistance for powering condenser microphones connected to pocket transmitters.
AB stereo:
Also known as time delay stereo, time difference stereo. 2-channel stereo recording technique which benefits mainly from the differences in time delay between the microphones (channels). Omni-directional microphones are used in most cases.
Absolute voltage level:
Used in sound studio technology to describe the ratio of a certain voltage Vx to a reference voltage of 0.775V. The absolute level is given in dBu and is calculated as follows: dBu = 20 x log (Vx/0.775). Thus, 0 dBu is equivalent to 0.775V, 6 dBu is equivalent to 1.55V and 15 dBu is equivalent to 4.4V. The current use of dBu relates to a voltage adaptation, while the former use of dBm relates to a power adaptation. The reference voltage of 0.775V is the same for both systems, and is derived from a power of 1mW in a resistance of 600 ohms.
Absorption:
Sound is taken in and converted into heat. Opposite: reflection.
Acoustic amplification:
A weak acoustic signal (e.g. the human voice) may be amplified by using mechanical means. A simple example would be the horn of a gramophone, or horn loudspeakers which are able to produce loud volume levels with little electric power. Further examples would be the bell of a trumpet, the case of a piano or the body of a violin.
Acoustics:
The science of sound.
Active antenna splitter
RF device for connecting several receivers to a single pair of antennas. Includes an antenna booster.
Active antenna:
Antenna with an integrated or attached RF booster which is powered via the antenna cable.
Acute hearing loss:
Suddenly occurring hearing loss or hearing impairment – usually in one ear – caused by interference in the blood supply. It is accompanied by noise in the ear (tinnitus). The condition should be treated quickly in order to prevent the risk of long-term damage.
...
AB powering:
Low DC voltage with a high internal resistance for powering condenser microphones connected to pocket transmitters.
AB stereo:
Also known as time delay stereo, time difference stereo. 2-channel stereo recording technique which benefits mainly from the differences in time delay between the microphones (channels). Omni-directional microphones are used in most cases.
Absolute voltage level:
Used in sound studio technology to describe the ratio of a certain voltage Vx to a reference voltage of 0.775V. The absolute level is given in dBu and is calculated as follows: dBu = 20 x log (Vx/0.775). Thus, 0 dBu is equivalent to 0.775V, 6 dBu is equivalent to 1.55V and 15 dBu is equivalent to 4.4V. The current use of dBu relates to a voltage adaptation, while the former use of dBm relates to a power adaptation. The reference voltage of 0.775V is the same for both systems, and is derived from a power of 1mW in a resistance of 600 ohms.
Absorption:
Sound is taken in and converted into heat. Opposite: reflection.
Acoustic amplification:
A weak acoustic signal (e.g. the human voice) may be amplified by using mechanical means. A simple example would be the horn of a gramophone, or horn loudspeakers which are able to produce loud volume levels with little electric power. Further examples would be the bell of a trumpet, the case of a piano or the body of a violin.
Acoustics:
The science of sound.
Active antenna splitter
RF device for connecting several receivers to a single pair of antennas. Includes an antenna booster.
Active antenna:
Antenna with an integrated or attached RF booster which is powered via the antenna cable.
Acute hearing loss:
Suddenly occurring hearing loss or hearing impairment – usually in one ear – caused by interference in the blood supply. It is accompanied by noise in the ear (tinnitus). The condition should be treated quickly in order to prevent the risk of long-term damage.
...
Category:
Pro-Rec: Professional Recording Magazine, resources for recording musicians.
Category:
Analog Console Forum is a new forum website for analog recording console owners and users, designed with specific forums for AMEK/TAC, API, Harrison, Neotek, Neve, SSL, Tascam, Trident and every other kind of professional analog recording console; meet people with similar consoles, as well as buy, sell, trade consoles, modules, strips and parts, find mods as well as gain valuable technical information and insights, often from the very people who built the consoles in the first place, for free.
Category:
Musicians and Injuries:
Maybe it's a nagging ache in your thumbs, every time you practice at the piano. Perhaps there have been long rehearsals for that crucial recital, and now you notice stabbing pains in your forearms. Or you find yourself struggling with hands that have become increasingly clumsy, or numb. It may be that you are even waking up at night with pain in your arms, or your back, or your neck. Well, it's just a part of being a serious musician, right? And after all, you can't stop practicing - there's too much at stake, and music is your very life!
Does this sound familiar?
Instrumental musicians are a special risk group for repetitive motion injuries. This page addresses that issue.
Maybe it's a nagging ache in your thumbs, every time you practice at the piano. Perhaps there have been long rehearsals for that crucial recital, and now you notice stabbing pains in your forearms. Or you find yourself struggling with hands that have become increasingly clumsy, or numb. It may be that you are even waking up at night with pain in your arms, or your back, or your neck. Well, it's just a part of being a serious musician, right? And after all, you can't stop practicing - there's too much at stake, and music is your very life!
Does this sound familiar?
Instrumental musicians are a special risk group for repetitive motion injuries. This page addresses that issue.
Category:
Sheheshe Music Services: On-Line weekly music related newsletter; prices; specials; references; staff; discussion groups where you can place ads for gigs, announce your gig schedule, and more ...
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