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Smiley Face Curve
A smiley face curve or mid scoop in audio signal processing is a target frequency response curve characterized by boosted low and high frequencies coupled with reduced midrange frequency power. This curve is often attained by users employing a graphic equalizer, which shows a graphic representation of a "smile" using its frequency band faders to form a curve that sweeps upwards at each end of the frequency spectrum. Smiley face curves have been popular with some car audio enthusiasts, disc jockeys, electric bass players, home stereo owners and sound reinforcement operators.Media College. Audio Forum. ''Getting Rid of Feedback''. Post by fstfwd74 on September 8, 2007. "My biased perception ...is much the same as seeing a soundman's eq set to "smiley fac ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Smiley Face EQ
A smiley, sometimes referred to as a smiley face, is a basic ideogram that represents a smiling face. Since the 1950s it has become part of popular culture worldwide, used either as a standalone ideogram, or as a form of communication, such as emoticons. The smiley began as two dots and a line to represent eyes and a mouth. More elaborate designs in the 1950s emerged, with noses, eyebrows, and outlines. A yellow and black design was used by New York-based radio station WMCA for its ''" Good Guys"'' campaign in the early 1960s. More yellow-and-black designs appeared in the 1960s and '70s, including works by Franklin Loufrani and Harvey Ross Ball.Ethridge, Mark. “Several Firms Claim to Be Originators of Smile Button.” ''Nashua Telegraph''. September 9, 1971. https://newspaperarchive.com/other-articles-clipping-sep-09-1971-3502894/ Today, The Smiley Company holds many rights to the smiley ideogram and has become one of the biggest licensing companies globally. In October of ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Instrument Amplifier
An instrument amplifier is an electronic device that converts the often barely audible or purely electronic signal of a musical instrument into a larger electronic signal to feed to a loudspeaker. An instrument amplifier is used with musical instruments such as an electric guitar, an electric bass, electric organ, synthesizers and drum machine to convert the signal from the pickup (with guitars and other string instruments and some keyboards) or other sound source (e.g, a synthesizer's signal) into an electronic signal that has enough power, due to being routed through a power amplifier, capable of driving one or more loudspeaker that can be heard by the performers and audience. Combination ("combo") amplifiers include a preamplifier, a power amplifier, tone controls, and one or more speakers in a cabinet, a housing or box usually made of hardwood, plywood or particleboard (or, less commonly, moulded plastic). Instrument amplifiers for some instruments are also available wit ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Listener Fatigue
Listener fatigue (also known as listening fatigue or ear fatigue) is a phenomenon that occurs after prolonged exposure to an auditory stimulus. Symptoms include tiredness, discomfort, pain, and loss of sensitivity. Listener fatigue is not a clinically recognized state, but is a term used by many professionals. The cause for listener fatigue is still not yet fully understood. It is thought to be an extension of the quantifiable psychological perception of sound. Common groups at risk of becoming victim to this phenomenon include avid listeners of music and others who listen or work with loud noise on a constant basis, such as musicians, construction workers and military personnel. Causes The exact causes of listener fatigue and the associated pathways and mechanisms are still being studied. Some of the popular theories include: Introduction of artifacts in audio material Musicality, especially on the radio, contains musical aspects (timbre, emotional impact, melody), and artifac ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Audio System Measurements
Audio system measurements are a means of quantifying system performance. These measurements are made for several purposes. Designers take measurements so that they can specify the performance of a piece of equipment. Maintenance engineers make them to ensure equipment is still working to specification, or to ensure that the cumulative defects of an audio path are within limits considered acceptable. Audio system measurements often accommodate psychoacoustic principles to measure the system in a way that relates to human hearing. Subjectivity and frequency weighting Subjectively valid methods came to prominence in consumer audio in the UK and Europe in the 1970s, when the introduction of compact cassette tape, dbx and Dolby noise reduction techniques revealed the unsatisfactory nature of many basic engineering measurements. The specification of weighted CCIR-468 quasi-peak noise, and weighted quasi-peak wow and flutter became particularly widely used and attempts were mad ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Empeg Car
The Empeg Car was one of the first in-car MP3 players developed. Originating in a personal project to build an in-car system that could perform MP3 playback in software, a British company called ''Empeg'' was formed in July 1998 to build a commercial version of the concept, this becoming available for sale in August 1999. Although the original project employed an embedded PC board from Advantech running a Linux-based operating system, employing a 150 MHz Cyrix processor that was later upgraded to a 166 MHz Pentium, the Empeg Car was built around a system employing a StrongARM processor.The Mark 2 player used the SA-1100-DA variant, according to thuser guide Transfer of MP3 tracks to the player was facilitated by the provision of USB, Ethernet, and serial port connections. Initial production was limited to 400 units, after which the "mark II" version of the product, suitable for larger scale production, was to be offered from late 2000 onwards at an estimated starting pri ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Original Equipment Manufacturer
An original equipment manufacturer (OEM) is generally perceived as a company that produces non-aftermarket parts and equipment that may be marketed by another manufacturer. It is a common industry term recognized and used by many professional organizations such as SAE International, ISO, and others. However, the term is also used in several other ways, which causes ambiguity. It sometimes means the maker of a system that includes other companies' subsystems, an end-product producer, an automotive part that is manufactured by the same company that produced the original part used in the automobile's assembly, or a value-added reseller.Ken Olsen: PDP-1 and PDP-8 (page 3) , economicadventure.com Automotive parts When referring to auto parts, OEM refers to the manufactur ...[...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Alpine Electronics
is a Japanese consumer electronics subsidiary of the Japanese electronics component manufacturer Alps Electric, specializing in car audio and navigation systems. Established in 1967 as Alps-Motorola — a joint venture between Alps Electric and U.S.-based Motorola — it became Alpine Electronics, Inc. in 1978 when Alps bought out Motorola's share of the company. Alpine's engineering headquarters are in Iwaki, Fukushima Prefecture, Japan. Alpine also has manufacturing facilities in Brazil, Hungary, Mexico, China, and Thailand. In 2006, 76% of Alpine's revenues came from OEM sales. Honda have offered unbranded audio systems manufactured by Alpine, and companies such as Dodge and Jaguar Cars have offered co-branded Alpine audio systems in their vehicles. Products and technologies *1981- World's first automotive navigation system, created for Honda as the Electro Gyrocator. *1982 - World's first in-car computerized equalizer. *1983 - Alpine introduces their first remo ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Direct Box
A DI unit (direct input or direct inject) is an electronic device typically used in recording studios and in sound reinforcement systems to connect a high-output impedance, line level, unbalanced output signal to a low-impedance, microphone level, balanced input, usually via an XLR connector and XLR cable. DIs are frequently used to connect an electric guitar or electric bass to a mixing console's microphone input jack. The DI performs level matching, balancing, and either active buffering or passive impedance matching/impedance bridging to minimize unwanted noise, distortion, and ground loops. DI units are typically metal boxes with input and output jacks and, for more expensive units, “ground lift” and attenuator switches. DI boxes are extensively used with professional and semi-professional PA systems, professional sound reinforcement systems and in sound recording studios. Manufacturers produce a wide range of units, from inexpensive, basic, passive units to expensive, s ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Isle Of Wight Festival
The Isle of Wight Festival is a British music festival which takes place annually in Newport on the Isle of Wight, England. It was originally a counterculture event held from 1968 to 1970. The 1970 event was by far the largest of these early festivals and the unexpectedly high attendance levels led, in 1971, to Parliament adding a section to the Isle of Wight County Council Act 1971 preventing overnight open-air gatherings of more than 5,000 people on the island without a special licence from the council. The event was revived in 2002. Original festival The original events were promoted and organised by the Foulk brothers (Ron and Ray Foulk) under the banner of their company Fiery Creations Limited and their younger brother Bill Foulk. The venues were Ford Farm (near Godshill), Wootton and Afton Down (near Freshwater) respectively. The 1969 event featured Bob Dylan and the Band. This was Dylan's first paid performance since his motor cycle accident some three years earlier ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Graphic Equalizer
Equalization, or simply EQ, in sound recording and reproduction is the process of adjusting the volume of different frequency bands within an audio signal. The circuit or equipment used to achieve this is called an equalizer. Most hi-fi equipment uses relatively simple filters to make bass and treble adjustments. Graphic and parametric equalizers have much more flexibility in tailoring the frequency content of an audio signal. Broadcast and recording studios use sophisticated equalizers capable of much more detailed adjustments, such as eliminating unwanted sounds or making certain instruments or voices more prominent. Since equalizers "adjust the amplitude of audio signals at particular frequencies" they are, "in other words, frequency-specific volume knobs." Equalizers are used in recording studios, radio studios and production control rooms, and live sound reinforcement and in instrument amplifiers, such as guitar amplifiers, to correct or adjust the response of micro ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Dunlop Manufacturing
Dunlop Manufacturing, Inc. is a manufacturer of musical accessories, especially effects units, based in Benicia, California, United States. Founded in 1965 by Jim Dunlop Sr., the company grew from a small home operation to a large manufacturer of music gear. Dunlop has acquired several well-known effects pedal brands, including Cry Baby, MXR and Way Huge. Background and history Scottish immigrant Jim Dunlop founded the Jim Dunlop Company in 1965 as a part-time business while working as a processing and chemical engineer at Barr and Stroud in Glasgow. He was an apprentice of creator of the first hip replacement, William "Bill" Wallace. His first product was the Vibra-Tuner, a small device that attached to a guitar with a suction cup and displayed whether the guitar was in tune with the vibration of a small reed. While visiting music stores to sell his new product, someone told him that musicians needed a good capo, remarking that anyone who made a good capo that could hand ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
