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Answered 2010-04-21 19:19:35

yes it is true that they do that because iplay the piano

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What is the beat frequency that is heard from a tuning fork with a frequency of 200Hz?

If you only have one tuning fork, no beat frequency is heard. A beat frequency is the result of combining two (or more) sounds. If you have two tuning forks, strike them at the same time, and touch both to the same hard surface or the same head bone, you hear three sounds. They have the following frequencies: -- the frequency of one tuning fork -- the frequency of the other tuning fork -- the beat frequency, which is the difference between the frequencies of the two tuning forks

Do piano tuners listen to the beat frequency between their tuning fork and the wire they are tuning?

Yes, they do. When the tuning fork (or the more modern electronic tone generator) is providing a reference tone, the tuner will strike a key and listen for a beat frequency between the reference and the piano string. With wrench in hand, the person tuning the instrument will take a bit of tension off the string, and will then increase the tension to bring the piano string "up" and equal to the frequency of the reference. The beat frequency will disappear as the tones become equal in frequency. It is the practice of the individuals tuning a piano to always bring a string of the instrument "up" to the frequency of the reference rather than "detuning" the string to lower the pitch and match it with the reference. With a bit of practice and patience ('cause you can always detune the string and "start over" to get it spot on), you can generally do a pretty good job of tuning the piano, though the professionals have been doing it for many years. These experienced folks have a good "ear" for the beat frequencies. The electronic references are modestly priced now, thanks to 21st century electronics. Note that there are cool electronic tuning units that will "listen" to the beat frequency and indicate to you when it disappears and a match has occurred. Our ears are generally fairly sensitive to the difference in the frequencies of two tones. When the tones "beat" on one another because they are being generated simultaneously, the difference between them is usually fairly obvious. Oh, and you are listening to the interference frequency between the two tones, which is what the beat frequency is. Certainly it's a bit of a challenge to accurately tune a piano, but many folks are fairly capable of doing it and only need a modicum of practice. Leave that big Steinway or Yamaha to the experts, but if you've got an old upright, have a go!

What is the difference between AFC and AGC?

Automatic Frequency ControlAutomatic Frequency Control (AFC) applies to tuning in radio and TV receivers to keep it on frequency. It is also sometimes refereed to as Automatic Fine Tuning (ATF). The AFC circuit in the receiver device aids in reducing the tuning error of a TV tuner that is almost on proper frequency for a desired channel. In modern sets with digital tuners this feature is usually available and can't always be switched off. There are circumstances under which AFC is better switched off but in general use it is beneficial.

What parts of the violin hold up the strings?

the bridge and the tuning pegs and the little tuners

A tuning fork of frequency 300Hz will resonate if a sound wave incident on it has a frequency of what?

300Hz is the natural frequency of the tuning fork hence if a sound wave of same frequency hits the fork then RESONANCE occurs

Where can you tune a cello?

A 'cello can be manually tuned in two places - the tuning pegs above the fingerboard, used for changing the tuning in large increments, or the fine tuners on the tailpiece, used for (usually) sub-tone tuning.

What fundamental characteristics of the sound produced by a tuning fork depends on its frequency?

The characteristics that determine the frequency with which a tuning fork will vibrate are the length and mass of the tines.

What would be the energy transformations that occur when one tuning fork makes another tuning fork vibrate?

The some wave has the same frequency as the natural frequency of the tuning fork, the tuning fork is made to vibrate due to a process called resonance.

What is the effect of temperature on frequency of tuning fork?

The effect of temperature on the frequency of a tuning fork is slight, for the length of the tines is little changed. A steel tuning fork would not be used as a precision frequency reference, though quite adequate for audio purposes. As the temperature increases, the lines will lengthen, and the frequency will decrease.

Who are the best piano tuners in the Toronto area?

You can find a list of piano tuners in Toronto namely pianoinside, bestpiano,torontopianosale etc.They provide with tuning as well as moving,buying,selling etc.

Which diode is used in frequency tuning application?

The varactor diode is used in frequency tuning applications. Its effective capacitance is a function of the reverse bias voltage across it.

What does Calib stand for on your tuner?

The 'Calib' button on your chromatic tuner is used to calibrate the tuner. Standard tuning has 440 hertz frequency difference between half-steps on the musical scale. Some tuners will allow you to re-tune this to 441 or a few hertz off. The calibrate button selects the frequency. Make sure you get it set to the right frequency (stick with 440 hertz), or you'll create audible harmonic interference when playing with others.

What are tuners for on a guitar?

you can tighten or loosen your strings, causing the string make higher or lower sound. (Check guitar tuning)

On a Gibson Robot guitar HOW do you tune the guitar manually like a regular guitar?

You just turn the tuning pegs on the tuners? Clockwise, anticlockwise... It would just be like tuning a regular guitar.

What are the knobs at the end of a guitar called?

The ones at end of a guitar (on the headstock) are called tuners, tuning pegs or tuning posts. The ones on the front of the body are the control pots/knobs (volume, tone).

What is the frequency of tuning fork?

Depends on what pitch it is, they are not all the same

A tuning fork of frequency 256Hz is vibrating near another tuning fork A beat pattern of frequency 6.6Hz is produced What can you say about the frequency of the second tuning fork?

It's either 249.4 Hz or 262.6 Hz. We don't know which one is higher and which one is lower,only that their difference is 6.6 Hz.

What is the frequency of a tuning fork?

Tuning forks are available for all standard notes, but the most common is an A note, which is 440 Hz

What do you do to tune a cello?

A cello has two methods of physical tuning: fine tuners and tuning pegs. Fine tuners are located on the tailpiece. Tuning pegs are located on the head/scroll. For strings that are close to in tune, use fine tuners. For strings that are way out of tune, use tuning pegs. When you tune start with the A string, then D, G, and C. Then return to A and tune them all again (because as you adjust the other strings y our initial tuning can change.) Repeat the retuning process until all your strings are in tune. To find the pitches to tune there are various methods. To get your initial A: Use a tuning fork Play an A on a piano Use a chromatic tuner (electrical device that measures the pitch of a tone) To continue with the rest of your tuning: Continue playing the notes on a piano Continue using a chromatic tuner Use harmonics (3rd finger A on the A should be the same as 1st finger on D and so forth and so on) Play neighboring strings and listen for perfect fifths (ie: A and D) When using tuning pegs be sure to continually pluck (or bow if you are able) the string you are tuning to make sure you do not snap it. To tune bow the strings instead of plucking, and always start on an upbow. Let the note settle before you tune the string (wait before you start tuning after your initial upbow).

Beats can be heard when two tuning forks?

Are not playing the same frequency

What exactly are piano tuners?

Piano tuners are tools used to tune a piano. The piano tuning lever; has a special "star" socket shape that is designed to fit piano pins, which are square and tapered.The most popular tip size is a #2.

How is a tuning fork made?

a tuning fork is made by.....use of a specific frequency.................. tht may match the frquency of.........a boy or a girl......

How one tuning fork's vibrations can cause another tuning fork to vibrate?

Vibrations are transferred from one to the other through the air. If the two have the same frequency (or a very similar frequency), resonance will occur.

How does a tuning fork work?

Most tuning forks are designed to resonate at 440 hertz when struck. That is the frequency of the A before middle C on a keyboard or the A string on a guitar, violin, etc. You just strike the tuning fork then adjust the tension on your A string until the string vibrates at the same frequency as the tuning fork. Then you tune the rest of your strings from the A string.

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