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What is a good stereo?
"What is good sound" is not only a problem for investors and managers, but also a lot of people engaged in audio design, production and engineering applications industry. For this problem, even professionals, also have many different understanding and answers.
Now the design team said: "the real natural voice sound is a good sound reduction".
In 2000, when disco, Hi real birth and gradually become the star concept, the design team has proposed the design and application of "concept of sound system shock, loud bright, clear and soft, natural", and began to in-depth research and practice in this field.
The final conclusion of many years of research, experiment and application summary is: "balance is not only the requirement of hearing art, but also the general foundation of good acoustics."". Because only the low distortion, phase consistency, frequency response curve reasonable balance of the sound of the restore degree is high, in the loud shock state, the sense of hearing is still bright, clear and natural, soft, not harsh. And "not harsh" is one of the common features of good sound, which provides the basis for the "pleasant and tolerant listening" of sound.
Sound equipment is invented and created by people for replaying and restoring sound, so it is reasonable to measure the sound quality with the "reducing degree". In most cases, people will love the reduction degree is high, the true nature of the stereo sound. Because no one can accept: "obviously is singing, but heard the sound box in the sound of someone else's cry".
The normal people are impressed by all kinds of sounds. When the sound of the replay is real and natural, people's sense of presence and intimacy will arise. Low distortion, high degree of sound reduction in the work process, because of the voice of the true nature, make people feel sound and sealed in the depths of memory of the familiar voice, so it sounds pleasing to the ear, a satisfactory, lyric emotion, mood, and even well, reverie resonate, so will feel a nice voice.
On this basis, "phase quasi, low distortion, frequency response balance of nature, high degree of reduction" is absolutely an important objective indicators of good sound, but also an important basis for sound sound.
Compartment acoustics by VOD (computer music player), microphone, stage, amplifier and speakers, so what is good, good, good before the microphone amplifier and speaker?
First. What is a good speaker?
From a scientific and objective point of view, good speakers are wide frequency response, high sensitivity, high power, reasonable curve balance, phase accurate, low distortion speakers. Sound box with power amplifier, the former level still maintain "phase consistency, frequency response curve balance nature", in the music replay, the subjective listening feel bright, clear, soft and natural, is good sound (system).
The speaker of the wide frequency response performance, high sensitivity and low distortion will be relatively easy to push, sound, power is relatively more stable and safe, natural balance curve, phase convergence is not due to the appropriate energy of internal friction and distortion, which can further reduce the distortion of the real and natural re release a variety of voice and sound strong sense of hierarchy, clear and soft.
High sensitivity, power and big box in addition to push the ring, it is more important in stabilizing the security state within the scope of the maximum sound pressure level will be lower than the sensitivity of the power of small speakers is relatively high, driving it without too much power to get the sound pressure level required to. On the contrary, the power of small low sensitivity of the speakers, the use of high power amplifiers to push it, it can send out sound and high sensitivity, high power speaker as big, even if reluctantly close, but it is a serious distortion, or even damage.
The subjective evaluation, because of his personality, culture, art, cognitive preference and the different standards, resulting in the manner described Different people, different views. people, is also not the same.
Our comprehensive subjective evaluation is: "loud shock, but listening to bright, clear, soft and not harsh, mellow, true, natural, good elasticity" is a good sound box.
As the room speaker, must be added "sing, sing, durable resistance (Hi) and surrounded by a strong sense of" requirements.
Two. What is a good power amplifier?
The standard of good power amplifier is reasonable efficiency, appropriate damping coefficient, wide frequency response, strong ability to change voltage, normal balance of output waveform, high signal-to-noise ratio, low distortion, strong analysis (resolution) force. Such a power amplifier with balanced high-quality speakers, its performance sounds clean, clear, good separation, listening sense of hierarchy.
Of course, the power amplifier in the work process and the speaker of the voice coil, will produce a very high temperature, so it must have reasonable circuit, high quality components and good heat dissipation device.
With the above conditions, and with the sound box issued soft, clear, transparent, sound quality, and can work steadily for a long time, is the top grade good power amplifier.
Three. What is a good pre class?
The most important indicator of good pre stage is the reverberation chip, Op Amp and circuit are better, the function is appropriate, reasonable, enough, adjustability, sound real nature.
1, analog and digital voice is good, normal as well.
2, the more the better, play as simple as possible
3, the parameter balanced frequency point can move as well.
4, analog and digital are good, they are most familiar with the best.
Four. What is a good microphone?
With your speakers, power amplifier, the front level, the sound of natural nature (there are some sound), moderate sensitivity is good microphone. If is wireless, not running frequency, frequency, earthquake resistance to fall continuously durable U products is a good microphone.
If you have professional knowledge and test equipment, then in addition to the subjective contrast listening and singing effect, objective scientific test contrast is also a good method. At any time, people's subjective consciousness will inevitably mislead their own time, but the objective scientific data will not be deceptive".