![]() ![]() For the best results, regardless of the method, there are two basic requirements: ![]() In these tests, it was not found necessary to play loudly in order to obtain some of the benefits of the better practice mutes, though there are some methods which use loud playing to enhance opening of the throat. Some may even have detrimental effects, apparently caused by inaccurate feedback to the player. At least one improves pitch centering, and therefore has a positive effect on the tone of the instrument. Fortunately, the room used for testing is always air-conditioned, with a temperature hovering around 75° F., and a relative humidity of around 40%.ĭuring the tests, I confirmed that it is possible for a practice mute to have benefits beyond just providing sound attenuation. Temperature and relative humidity can have an effect on the response of a horn. Finally, recommendations are made based on the requirements of the player. Summary of the test results is made in a chart rating the performance of each mute in each of the categories except resistance. The harm could be physical, such as scarring of the bell, or mental, by promoting inaccurate playing. ![]() If a mute can cause harm to the instrument or player, it should not be used. The most important of these parameters is safety. The design of each mute was evaluated for safety, security, materials, and convenience. Tests included sound attenuation, intonation (pitch accuracy), resistance, weight and balance measurements, and design evaluation. ![]()
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