[No. 01] Sound knowledge you should know

Sound is one of the most difficult things to perceive and evaluate, because it does not exist in images, visible to the naked eye, we can transmit it through the ears by feeling.

Understanding sound

Acquisition process sound happens as follows: sound waves emitted from a vibrating object are transmitted through space to our ears, causing the eardrum to vibrate in accordance with the vibration rhythm of the object that emitted the sound. Thanks to that, we hear the sound. And the air is the transmission medium. sound.

Besides, sound Sound can also travel through other substances such as gases, liquids, solids, etc., but cannot travel through a vacuum. This is the reason why when we are in two adjacent rooms, we can still hear noises in the other room.

Besides, there are some materials that conduct sound very poorly. For example, soft, porous materials such as cotton or hay... These materials are also called sound absorbent materials. These materials are often used as wall lining materials for soundproofing in theaters, karaoke rooms, soundproof rooms... to absorb moisture and reduce echoes. sound.

Propagation velocity of sound depends on the sound transmission environment. During the transmission, if it encounters obstacles such as walls, rocks, trees, etc., most of the sound energy will be reflected back, a small part will continue to be transmitted forward. The reflected part will turn into heat energy and dissipate.

Whether choosing to buy equipment sound The best on the market for home karaoke system but karaoke singing ability is still not as expected, sound output is not up to standard.

So what is the cause?

According to many studies and practical experiences in installing many standard family karaoke systems, Phuc Truong Audio It can be concluded that the alignment sound accounts for 30% of the performance of karaoke sound systemNot knowing how to align or aligning incorrectly is the main cause of common errors in a karaoke system. No matter how good the equipment you choose is, it only determines 70% or less of the sound effect achieved.

Here are 10 common audio problems if you don't align properly:

1. If the overall volume is insufficient, the singer will have to scream and will be very tired. On the contrary, if the volume is too much, the singing will be reflected outside, making the singer feel suffocated, have chest pain and headache.
2. The singing will sound low and sad if the high notes are missing.
3. Treble speaker damage occurs if the microphone has too much high-pitched sound.
4. The voice will be thin and lack emotion if the microphone bass is lacking.
5. The voice will be muffled and noisy if the microphone bass is too much.
6. Singers also get tired when the mimicry is low.
7. The sound is unstable, too fast or too slow, the lyrics and music do not match when singing.
8. If the music is too soft or too loud, there will be an imbalance between the singing and the music. Music that is too soft will make the singer uncomfortable and not interested enough.
9. Treble breaks up if the music is too loud.
10. Too much bass will make the music muffled.

Fix sound

If your karaoke system has the above errors, the cause is definitely not in any device but in your calibration. sound not suitable. Therefore, to have the best family karaoke system, in addition to calculating the purchase of suitable equipment, you need to prepare the knowledge sound necessary to be able to align the sound quality as desired.

But if you are not an expert on sound and don't have much time to learn. Let the experts sound Phuc Truong Audio helps you, committed to bringing the number one Audio solution in Vietnam, not only helping you choose to buy the best audio equipment but also supporting installation and adjustment so that you can own the most standard family karaoke system. Our staff will enthusiastically guide customers through the basic sound adjustment steps so that you can fix common problems in a family karaoke system.

#Audio knowledge series