Timbre

sound object such as airVibrationSo it is, but the vibrationRipple markHow to be audible of the various sounds with the difference,Timbre(It is to do, the ょ く, don't you think? be) with you say.

The timbre in acoustics meaning

AcousticsIn mark, soundSine wave（Sign wave)

When disassembling, the respective sine wave, frequency ratio and, thoseIntensity of soundYou call the various being audible of the sound with the difference the timbre.

Among the respective sine waves, mostIt is lowSoundFundamental toneOther than thatOvertoneWith it calls. Namely, the difference of constitution of the overtone, is the difference of the timbre.

If frequency of the overtone is multiple of frequency of fundamental tone, thatHarmonic overtoneWith it calls. musicHuman voiceAnd string instrument、 wind instrument fundamental tone has consisted mainly from the harmonic overtone, because (this kind of sound is called the musical tone), in that kind of case, it can do for ratio of the respective strength of the harmonic overtone to decide the timbre.

Conversely and intendHuman voiceAnd string instrument、 wind instrument. As a familiar example for the Japanese, samisen.

The timbre in the actually being audible

There being a actually sound, the samePitch of soundThe sameIntensity of soundIt is not left over that) the timbre in the same (acoustics sense continues. Striking and/or repelling when it puts out sound, (being the musical instrument, so the て), the instant where sound comes out being strong not to be, after that it is attenuated. Actually not only that,Pitch of soundAnd immediately after the timbre especially sound comes out, it is found that it changes suddenly. grazing string instrument and the wind instrument in order to make sound continue, being the musical instrument which was made, there is the change that becomes instantaneously sound comes out sound does not stabilize and, in the first place sound quickly strong.

The ear of the human really you hear also such change, take as portion of the timbre and. This kind of change, especiallyIntensity of soundChangeEnvelopeWith it calls, electronic musical instrument, it has become the important element.

In addition,VibratoAnd,Tremolo、Decorative soundAnd so on, probably can this the thing which is made to apply to actual performance for a long time.

Timbre and music expression

As for the musical instrument in general, conforming to the taste of the group (race and the like) of the people who use that musical instrument, toward the timbre one aiming 2 of handles, there is many a thing which is made. Depending, it is difficult, to produce many timbre with one musical instrument,ExecutionIt is possible to produce several timbre, with the difference it is restricted. Depending,Vessel easeBeing, big change of the timbre is brought remains with the change of execution or the difference of the musical instrument.

On the one hand,SingingBeing,LyricWith the difference of the pronunciation becomes the difference of the timbre. However, when the lyric is translated, assuming, that it tried that the composer will utilize the change of the timbre by the lyric it means that the intention is not transmitted sufficiently.

Depending upon this kind of condition, there being music expression, the timbre is important, but change of the timbreSound highAndSound it is strongWith the music which is put out on the front almost does not exist to the same level.