音色又稱音品，由聲音波形的諧波頻譜和包絡決定。聲音波形的基頻所產生的聽得清楚的音稱為基音，各次諧波的微小振動所產生的聲音稱泛音。單一頻率的音稱為純音，具有諧波的音稱為復音。音色，是一種描述樂器發音品質的術語，由于每種樂器都有自己的頻譜分布特征，因而同一種樂器的發音在不同的音區內，起音感雖然不一定一致，但其音色大體一致。
Timbre, also known as timbre, is determined by the harmonic spectrum and envelope of sound waveform. The sound that can be heard clearly by the fundamental frequency of the sound waveform is called the fundamental, and the sound that is produced by the small vibration of each harmonic is called the overtone. Single frequency tone is called pure tone, and harmonic tone is called polyphony. Timbre is a term used to describe the pronunciation quality of musical instruments. Because each musical instrument has its own spectrum distribution characteristics, the timbre of the same musical instrument may not be consistent in different sound areas, but its timbre is generally consistent.
音色的影響因素也要注意：
We should also pay attention to the influence factors of timbre
一·信號源
I. signal source
功放的作用就是把微弱的電平信號源放大輸出給音箱，然后由音箱里的喇叭單元的振動的頻率快慢來發出各種頻率的聲音，也就是我們聽到的高、中、低音，如果信號源有雜音（失真）或通過壓縮以后丟失了某些信號成分，通過功放功率放大以后，這些雜音就會放大的更大，丟失的成分就放不出來，所以在我們評價音響時用的音源好壞很關鍵
The function of the power amplifier is to amplify and output the weak level signal source to the speaker, and then emit the sound of various frequencies by the vibration frequency of the speaker unit in the speaker, that is, the high, medium and low frequencies we hear. If the signal source has noise (distortion) or some signal components are lost after compression, after amplification by the power amplifier, These noises will be amplified more, and the lost components will not be released, so the sound source used in our evaluation of sound is very important
二·器材本身
Equipment itself
也就是說功放要信噪比高、有用頻響要寬、失真度底，音箱有用頻率要寬、頻響曲線要平坦，頻響能達到20Hz--20KHz的音響可以說是很不錯的，目前一只音箱能達到20Hz--20KHz+3%dB的是少之又少，市面上有好多音響說高頻能達到30甚40KHz,這說明音響品質是在不斷的進步，但是我們正常人的耳朵超過20KHz以上的信號是很難分辨出來，所以追求一些我們聽不到的超 高頻也沒必要，只有頻響寬曲線平坦才能逼真的再現原聲，功率方面就要看使用面積的大小而定，要成正比，如果面積太小功率太大，聲壓一大就會造成太多的反射聲，使音色變得渾濁不清，反之則聲壓不夠。功放功率比音箱功率在阻抗匹配時大20％到50％這樣低音會結實有力些，中高音層次會較清晰，聲壓大時沒那么容易失真
That is to say, the power amplifier should have high signal-to-noise ratio, wide useful frequency response and low distortion, the speaker should have wide useful frequency and flat frequency response curve, and the sound whose frequency response can reach 20Hz-20KHz can be said to be very good. At present, few speakers can reach 20Hz-20KHz + 3% DB. There are many speakers on the market who say that the high frequency can reach 30 or even 40KHz, which shows that the sound quality is constantly improving, However, it is very difficult to distinguish the signals of our normal ears that exceed 20kHz, so it is unnecessary to pursue some UHF signals that we can't hear. Only when the frequency response curve is flat can we reproduce the original sound realistically. The power depends on the size of the area used, which is proportional to the power. If the area is too small and the power is too large, the sound pressure will cause too much reflected sound, Make timbre become turbid, otherwise sound pressure is not enough. The power of the amplifier is 20% to 50% higher than that of the speaker in impedance matching, so that the bass will be stronger, the middle and high levels will be clearer, and the distortion will not be so easy when the sound pressure is high
三·使用者本身
3. Users themselves
有些人買音響是為了擺設，有些人是為了欣賞音樂、還有一種是為了顯耀，簡單點說如果一個人如果連高低音都分不清楚的話，能聽出什么是好的音質嗎？除了會聽還得會用，有些人音響裝好后，安裝技師調好效果簡單講講，結果是有不小心誰好奇去動了一些旋鈕，效果大家就可想而知了，這里并不是說要懂什么技術，就像我們開車一樣起碼要弄懂各個開關、按鈕、旋鈕是什么作用，才能發揮這個車的性能和使用安 全。
Some people buy stereos for decoration, some for music appreciation, and another for showing off. To put it simply, if one can't distinguish between high and low, can one recognize what is good sound quality? In addition to being able to listen, some people have to be able to use it. After the stereo is installed, the installation technician will adjust the effect. As a result, one day, if someone accidentally moves some knobs, you can imagine the effect. This is not to say that we need to understand any technology, just like driving, at least we need to understand the functions of switches, buttons and knobs, In order to give full play to the car's performance and use safety.
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