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There are around small units producing wood based drum instrument Dholak in the district, which provide employment to over artisans. The Dholak is played using a stick or with hands. Owing to social development, the scope of this unique musical instrument has expanded. Amroha got its name from Aam i.

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Category:Percussion instrument manufacturing companies

VIDEO ON THE TOPIC: Music Discovery Lab: The Industrial Box

Musicians experience significant sound exposures, and according to Chasin, 1 most will develop some degree of music-induced hearing loss. Other professionals in the music industry eg, audio engineers, recording engineers, managers, disk jockeys, etc also experience significant sound exposures, and they are also at risk for cochlear damage and hearing loss. Perhaps even more damaging than hearing loss are the secondary effects that often accompany it or occur in isolation: tinnitus, diplacusis, and hyperacusis.

Most professionals involved in hearing care are familiar with tinnitus, the perception of noise ringing, etc in the ears. However, fewer of us may routinely recognize diplacusis, a pathological matching of frequency and pitch that ultimately results in some notes sounding flat; due to this, diplacusis can be career-threatening to those in the music industry.

Hyperacusis, a reduced tolerance of suprathreshold sound, is also career-threatening to those in the music industry. In the hyperacousic ear, sounds that are easily tolerated by most people eg, laughter, a telephone ring, or live music are uncomfortable or intolerable. There are no known cures for noise-induced hearing loss NIHL , tinnitus, diplacusis, or hyperacusis; early identification of auditory dysfunction and prevention of cochlear damage is the only viable treatment at this time.

Damage-Risk Criteria The intensity and duration of sound exposure for those in the music industry varies widely. Asymmetrical exposures and asymmetrical hearing loss are common. When determining exposure levels and risk factors, all noise exposure must be considered: that sustained in practice, rehearsal and performance, as well as non-occupational noise exposure.

In terms of general risk, the music genre itself is irrelevant; the risk for cochlear damage and hearing loss exists for all types of music. It should be noted that musicians located near percussion instruments eg, drums and brass instruments eg, trumpet, trombone , as well as those located near amplifiers, tend to have higher exposures.

TABLE 1. Effect of earplugs on wearing time. According to OSHA standards, the average person can be exposed to 95 dBA of noise for 4 hours per day, 5 days per week without developing a permanent hearing loss. Therefore, with only 10 dB of hearing protection, a person can work in 85 dB of noise for 16 hours. According to the Occupational Safety and Health Administration OSHA standard, 2 the average person can be exposed to 95 dBA of noise for 4 hours per day, 5 days per week without undue risk of developing a permanent hearing loss over a year time span Table 1.

With only 10 dB of hearing protection, the noise exposure of a person in 95 dB of noise is reduced to 85 dB, which is considered safe for 16 hours per day.

With 10 dB of hearing protection an actual exposure level of 85 dB , the same person could be in a 95 dBA environment for 8 hours per day, 5 days a week. This combination is designed to replicate the resonance of the normal ear, resulting in smooth, flat attenuation of sound across frequencies.

It is difficult to directly apply either the OSHA or NIOSH recommendations to predict safe levels of noise exposure for those in the music industry, due to the spectral differences of music compared to industrial noise, the intermittent nature of music exposures, and rest periods. However, damage-risk criteria are helpful in providing a general estimate of the amount of hearing protection needed, and it is important to note that many people do not need much hearing protection often less than 15 dB to dramatically reduce the risk of significant hearing impairment.

In fact, conventional hearing protectors can cause significant problems for those in the music industry, because they produce: 1 Too much high frequency attenuation unbalanced attenuation ; 2 too much attenuation overall; and 3 too much occlusion effect:. Most musical instruments have a significant amount of energy above Hz, with harmonics that are more intense than the fundamental. Earplugs with too much high frequency attenuation destroy the tonal balance, which can result in mishearing or overplaying to compensate for the lack of high frequency sound heard through the earplugs.

Musicians need to hear, and hear well, while they play. Standard industrial-type hearing protectors not only muffle sound, they often provide too much attenuation; deeply inserted foam earplugs can provide dB of sound reduction when far less is needed to protect hearing.

Excessive attenuation may also result in mishearing or overplaying. Drummers, for example, may be unable to monitor the level of play and sustain wrist and arm injuries from striking the drums too forcefully. Occlusion effect is an increase in sound pressure level at the eardrum in the occluded ear compared to the open ear, for sounds generated by the user eg, vocalist, brass, or woodwinds. When a musician sings or blows into the mouthpiece of an instrument, the sound is conducted via the jaw to the bone surrounding the inner portion of the ear canal.

With standard earplugs, this results in an elevated sound pressure level behind the hearing protector. This elevated level, experienced over several hours of rehearsal or performance, may put the musician at risk for overexposure and lead to tinnitus and hearing loss.

Occlusion effect can be greatly reduced with earplugs that seal deeply in the bony portion of the ear canal. Sometimes a bit of occlusion effect is desirable for vocalists as an aid in self-monitoring. However, for the majority of individuals, a deeply sealed earplug is the best option. The patented attenuator buttons have a diaphragm that functions as an acoustic compliance, while the volume of air in the sound bore of the earmold acts as an acoustic mass.

The combination of the two produces a resonance at approximately Hz as in the average normal ear resulting in a smooth, flat attenuation across frequencies Figure 2. Shortly after the introduction of Musicians Earplugs, Etymotic Research and Aearo Corp jointly developed the ER, an affordable non-custom high-fidelity earplug that provides 20 dB of flat attenuation Figure 3. The ER provides 15 dB of attenuation, and is the highest-fidelity hearing protector available in the world today.

Music heard through these plugs retains the same quality as the original, only quieter. The ER attenuator was developed at the request of musicians with the highest sound exposure typically drummers and high-intensity rock musicians and provides a near-uniform 25 dB attenuation. The ER-9 was also developed at the request of musicians; in this instance, to provide less attenuation than the ER The ER-9 provides 9 dB of attenuation in the low frequencies and dB at high frequencies.

Table 2 provides guidelines as to which attenuators to use, depending on the type of sound exposure. Note that non-custom ER earplugs are recommended in all situations, indicating that no one should go without hearing protection. With Musicians Earplugs, the user typically has one set of earmolds but two or three sets of attenuators for use in different environments.

The optimal attenuator is the one that provides the minimum amount of attenuation that will reduce sound exposures to a safe level. A musician may even choose to use different attenuators for each ear. The author once fitted a guitarist who routinely used an ER in one ear, and an ER in the other. The ear with the ER earplug was closer to the drums, so the stronger filter afforded him greater protection without causing him to feel unbalanced.

Role of Manufacturers To ensure that musicians receive the correct amount of attenuation from Musicians Earplugs regardless of where they are purchased, each attenuator button is tested for proper resistance and compliance values at Etymotic Research, and earmold laboratories adhere to rigorous requirements when making the earmolds.

Earmold labs are required to use an acoustic mass meter to verify that the earmolds have the correct volume of air in the sound bore to produce flat attenuation when the filter buttons are attached.

Etymotic Research monitors and regularly re-certifies earmold labs to make Musicians Earplugs earmolds. Role of Hearing Care Professionals Fitting hearing protection to those in the music industry should be part of a comprehensive program of audiological management. Musicians often require a higher level of care than other patients. Otoacoustic emissions are particularly important because OAE testing can detect outer hair cell damage caused by high sound exposure before any changes are evident on the audiogram.

TABLE 2. Recommended earplugs relative to the type of instrument or sound sources encountered by the musician, teacher, or technician. Chart adapted from Chasin. Musicians Earplugs are a custom product that require professional fitting. It is essential that professionals who work with musicians:. Long earmold impressions past the second bend of the ear canal are required, so that earmold laboratories can make earmolds that seal in the bony portion of the ear canal.

Extra reassurance and care may be necessary when taking long impressions with this population. To that end, ask musicians to play or pretend to play their instrument while the impressions are curing. Examine the finished impressions carefully. If the impressions do not extend well past the second bend or if there are gaps in the impression, repeat the procedure. Even experienced clinicians remake impressions. Properly fitting earplugs cannot be made from inadequate impressions. The professional should verify that the earplugs seal the ear, fit comfortably, and can be inserted and removed by the user.

A wearing schedule may be necessary for the ear to get accustomed to the earplugs, but earplugs should not cause discomfort or soreness. Ideally, earplugs should be worn for both practice and performance. With proper care, earmolds and attenuator buttons will last for years.

Earmolds and attenuators can be inspected and the physical fit verified each time the user returns for a visit at least annually. The need for earmold replacement varies greatly among users. When last surveyed, half of the earmold labs reported a preference for silicone earmolds, and the other half reported a preference for vinyl.

Either is acceptable. Attenuator buttons are available in clear, beige, red, or blue, and they can be partially or completely countersunk into the earmolds. Verification of Performance The attenuation of Musicians Earplugs can be measured using standard real-ear measurement protocols. Insertion loss is the difference between the open-ear response and the response with the Musicians Earplug in place.

Occlusion effect can also be measured using real-ear equipment. If the musician complains of occlusion effect, a measurement can help to determine the degree of the problem, as well as to document the effects of any corrective actions. Techniques for these measures are described by Chasin, 1,5 Revit, 6,7 and Mueller et al. Occlusion effect.

Occlusion effect is a low-frequency phenomenon, occurring mostly below Hz. An occlusion effect of 20 dB or greater is significant. Reduction of the occlusion effect can be achieved by sealing the earplugs deeply in the bony portion of the ear canal.

The only recourse to an occlusion effect problem is to remake the earmold from a new impression in order to improve the seal. Difficult fittings. Not all ears are created equal. There are cases in which the sound quality or performance of Musicians Earplugs may be compromised eg, when the user has narrow ear canals. As a result, the high frequencies are rolled off. In this case the solution is to shorten the length of the earmolds to allow for a wider bore. This provides the flat attenuation needed for a high-fidelity response, but with one compromise: Occlusion effect is increased due to the shallower depth of the seal.

Conclusion Increasing numbers of music professionals are becoming aware of the dangers of high sound exposure, and more are seeking help to protect their hearing. With proper hearing protection and audiologic care, music professionals can continue to enjoy their music while preserving their hearing and their ability to play and perform.

Acknowledgements The author thanks Gail Gudmundsen, AuD, for editorial assistance in the preparation of this article. References 1.

Using percussion instruments as well as found objects, his main "instrument" is a multitrack studio where he puts together what will later form his albums: musical pieces, arranged by dramatic mood and style, dealing with thematic film music. The original principle of KINOTHEK was developped in by Italian composer Guiseppe Becce who published "Kinobibliothek", a catalogue of film scores from which theatre music directors could choose appropriate pieces to accompany the films which then didn't have soundtracks that were shown at that time. DNA HOOVER not only adopted the name "Kinothek", but also works in a familiar way like Becce - instead of written compositions, he published records containing music for films - real ones or for the "cinema in the head".

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SMACK: Claps, Snaps & Stomps

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US5385075A - Percussion instrument - Google Patents

Get Latest Price. View Complete Details. It is still used in the music behind folk and sufi poetry. It later became a part of Hindustani music industry. The instrument consists of a pair of hand drums of contrasting sizes and timbres. The term tabla is derived from an Arabic word, tabl, which simply means "drum.

Maiquiprel Resins manufacturer www.

The Adams repair department has highly skilled craftsmen, repairing percussion, wood- and brass instruments. Also for special modifications. Two big retail music shops in the Netherlands and Belgium. The absolute specialist in percussion and brass instruments. The number of instruments we stock is not only extensive, but is also particularly selected for the needs of the European market. Musicians have always been a fundamental part of the company. Not just as our customers. You have always been the trigger, motivator and partner in innovation.

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Every composer needs a few percussion libraries in their arsenal to create cinematic thumping, heart-pumping action scenes. But which one to choose? Should you stick with only one or use a combination of a few good ones?

For the past 30 years after its establishment, TENON has not only had steady growth in its main business but extended its reach into new industries and international operation. Recently, we focuses on developing high value- added products, and vertically integrating the relevant factories so as to raise the competitiveness of its products by adjusting production structures. It is important to advance the employees with professional techniques and hold the regular trainings.

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Manufacturer of Percussion Musical Instruments - Drums, Indian Drum - Tabla, Tambourine and Bodhran It later became a part of Hindustani music industry.

Tonehammer Tuned Percussion

This category contains companies that manufacture percussion instruments and accessories, such as drum sticks. The following 66 pages are in this category, out of 66 total. This list may not reflect recent changes learn more. From Wikipedia, the free encyclopedia. Wikimedia Commons has media related to Percussion manufacturers.

Top 10 Cinematic Percussion Sample Libraries 2019

This category covers establishments primarily engaged in manufacturing musical instruments and parts and accessories for musical instruments. The primary products in this category are pianos, with or without player attachments, and organs. This industry also includes string, fretted, wind, percussion, and electronic instruments. At one time, the ability to play a musical instrument was considered an essential part of a person's basic education. During the later half of the twentieth century, however, electronic advances like video games and music-playback machines combined with increasingly hectic lifestyles to make the effort of mastering a musical instrument somewhat less appealing. Nevertheless, in the late s more than 60 million musicians resided in the United States. According to the U. As part of the personal consumer durables category, musical instrument purchases depend greatly on consumer confidence.

Introducing Momentum! Learn More! If you need quick access to high quality percussion like kicks, stomps, claps, snaps, shakers, tambourines or even found sound percussive samples, you may want to check out SMACK. This library is geared towards providing you with a simple

This invention is directed to a percussion instrument, and particularly to a percussion musical instrument. It is of a hexahedron construction or configuration, made of six 6 wooden rectangularly-configured panels, joined together a right angles to one another, at their edges, all the panels not necessarily being of the same thickness. Its single playing panel, thinner than the others, is in direct and spaced opposition to a same-sized panel that includes a resonating aperture through which sound emanates upon playing of the instrument.

Musicians experience significant sound exposures, and according to Chasin, 1 most will develop some degree of music-induced hearing loss. Other professionals in the music industry eg, audio engineers, recording engineers, managers, disk jockeys, etc also experience significant sound exposures, and they are also at risk for cochlear damage and hearing loss.

- С какой стати такой параноик, как Танкадо, доверился столь ненадежному типу, как Хейл. Сьюзан понимала, что теперь это не имеет никакого значения.

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