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Summary. In ** works, due to the different keys, rhythms, styles and ** images of the works, the sound effects and meanings of the intervals are also different. But intervals have their own expressive role.

For example, the color of the major third is brighter, the minor third is darker, and the upward weak melody interval (fourth interval) has a call-to-action. The song adopts an ascending weak melodic interval (fourth), which is extremely infectious and appealing, giving people a surging momentum, forward, forward, and courageous voice.

How do I hear intervals?

In the ** work answer, due to the different keys, rhythms, styles and ** images of the work, the sound of the intervals and the meaning are also different. But intervals have their own expressive role. For example, the color of the major third is brighter, the minor third is darker, and the upward weak melody interval (fourth interval) has a call-to-action.

The song adopts the ascending weak melody interval (fourth), which is very infectious and call-to-friend, giving people a surging momentum, forward, forward, and courageous voice.

The method of listening to the sound interval is as follows: listening to consonance, perfect consonance, pure eight, pure four, swift rolling five, semi-consonant, major three, six, dissonance, major two, seven, increase four minus five; Listen far, sixth, seventh, listen, medium, four or five, hear near, two, three; Listen first to the distance, then to the nature of the harmony, and finally to make a judgment; The size of the semi-concord is mainly determined by the nature of the size and the distance of the distance, and the increase of the four states is reduced by five of the same mu; Cultivate the concept of interval switching.

How to Tone Analysis?

The degree of an interval refers to the number of levels of sound that the interval contains. There are several scales between two notes, which are called degrees. Let's start with pure:

1 4 5 8 are all pure, pure one degree, the number of tones is 0, the number of degrees is 1, the number of pure 4 degrees is 2 and 2 degrees, the degree is 4 degrees, the number of pure 5 degrees is 3 and 2 degrees, the degree is 5 degrees, the number of pure 8 degrees is 6, and the degree is 8 degrees. Let's talk about minor 2, minor 3, minor 6, minor 7, minor 2 degrees: the number of tones is 1/2, the number of minor 3 tones is 1 and 2 degrees, the degree is 3 degrees, the number of minor 6 tones is 4, the degree is 6 degrees, the minor 7 tones are 5, and the degree is 7 degrees.

Major 2, Major 3, Major 6, Major 7: Major 2 tones are 1, degrees are 2, major 3 tones are 2, degrees are 3 degrees, major 6 tones are 4 and 2 degrees, degrees are 6 degrees, major 7 tones are 5 and 2 degrees, degrees are 7 degrees. Increase by 4 degrees:

A pitch increase that is 2/2 larger than a pure or large interval is called a pitch increase, and if it is increased by 4 degrees, the number of notes is 3, and the number of degrees is 4 degrees. Minus 5 degrees: less than 2 degrees less than the pure interval or minor interval is called the reduced interval, minus 5 degrees its number of notes is 3, and the number of Kando of the branch is 5 degrees.

The number of tones refers to the number of whole tones and semitones contained in the interval, and the number of tones is the key to determining the nature of the interval.

What determines the acoustics? , speaker material structure.

When purchasing, we need to know that the design of the speaker material is not simply for the sake of beauty,It is convenient to better output the sound quality,Generally when purchasing speakers,People who know how to choose solid wood speaker material,Because wood materials have the best presentation of sound quality,Followed by metal、Plastic、Resin, etc。 The weight of the speaker also has an impact on the sound quality, and the speaker that is too light is easy to vibrate and make noise when singing, which is not conducive to listening to songs.

Recently, I saw a version of Sonos' home speaker system on the Internet, and I really wanted to get it. Although the official has been upgraded to the version, for the sake of funds and functions, it is still more optimistic about the version of the intelligent sound system composed of Sonos's sub and playbar. It is not difficult to see from the appearance that although they are not made of solid wood, they have a beautiful appearance and fine workmanship, which gives people a very good visual feeling!

Second, the position of the speaker.

Many people may not know that speaker equipment will also affect the sound quality because of the different placements, in fact, choosing a suitable speaker system placement can really determine the sound quality of the sound. The shelves for the speakers at home need to be very strong and strong, and if it is a solid wood shelf, it is the best. Because the speaker will emit sound waves outward, when transmitted to the shelf, it will cause the shelf to vibrate, and if the shelf is not suitable, it will cause vibration to be transmitted back.

It mainly depends on the following parameters:

1. According to the impedance.

The lower the impedance of the speaker, the higher the input current.

If the hi-fi speakers are used, they will cause distortion, and the sound will change and the original sound effect will not be achieved.

Therefore, when we choose, we choose a high-impedance speaker.

At present, the common impedances are 4 ohms, 6 ohms, 8 ohms, and 16 ohms.

Among them, 8 euros is the recommended value of the international standard.

2. According to sensitivity.

At the same distance, the volume is adjusted consistently, and the higher the sensitivity, the louder the sound without compromising the sound quality.

The sensitivity of current speakers is usually around 86dB, and the professional is above 96dB.

3. According to the frequency response range.

Speakers with a wide frequency response range work better.

When we buy a speaker, we need to compare the frequency response range of the speaker when we look at the parameters.

4. According to the signal-to-noise ratio.

In general, the higher the signal-to-noise ratio, the less noise is mixed in the signal.

The higher the sound quality of the sound playback, otherwise the opposite.

The signal-to-noise ratio should generally not be lower than 70db, and the signal-to-noise ratio of high-fidelity speakers should reach more than 110db.

5. Distortion.

Distortion is certainly unavoidable for multi**speakers,As long as the distortion is within a reasonable range,It does not have much impact on the sound quality。

However, the distortion of the speaker within a certain percentage should be less than 1%.

The series can be less than 5%.

Audio is all based on the price of the talk,No matter which parameter is written, it's cheap, it's definitely not good.。

The quality of the sound should be judged by the ear!