DISCO Plaza, like any other indoor sound reinforcement, has a problem of determining the power capacity of the speaker used, that is, the so-called electric power, based on the sound pressure level of the sound reinforcement site. Although for a given room, the designer can determine the electric power of the speaker that he is familiar with based on experience, but for an arbitrary room, a random speaker brand, only empirical estimates are not based on scientific calculations, Not enough. Because the power is too small, it will not achieve the loudness and clarity that it should have; and if the power is too large, it will cause unnecessary waste. After all, it meets the sound reinforcement site and clear and ambiguous; and the power is too large, which will cause unnecessary waste. After all, the electric power of the speaker that meets the sound pressure level requirements of the sound reinforcement site is not only related to the sensitivity level, directivity factor, directivity coefficient and the like of the speaker, but also to the crest factor and room constant of the sound reinforcement place. Therefore, before a new studio sound reinforcement system is established, it must perform the calculations it deserves.
It should be noted that the following calculation method for the electric power of the speaker is also suitable for outdoor sound reinforcement, but it is no longer included in the influence of the room constant.
First, a few basic concepts.
Before proceeding with specific calculations, let us first discuss the following:
1. The directivity factor, directivity coefficient and sensitivity level of the speaker.
(1), directivity factor Q (d): It represents the multiple of the sound intensity produced by the speaker at a certain point in space than the theoretical undirected speaker. In the actual calculation, it is characterized by the radiation angle V in the vertical direction of the speaker and the radiation angle h in the horizontal direction:
Q(d)=180°÷sin-1[sin(v/2)·sin(h/2)]
In the formula, the units of V and h are degrees (°), and Q(d) is dimensionless.
DISCO Plaza, like any other indoor sound reinforcement, has a problem of determining the power capacity of the speaker used, that is, the so-called electric power, based on the sound pressure level of the sound reinforcement site. Although for a given room, the designer can determine the electric power of the speaker that he is familiar with based on experience, but for an arbitrary room, a random speaker brand, only empirical estimates are not based on scientific calculations, Not enough. Because the power is too small, it will not achieve the loudness and clarity that it should have; and if the power is too large, it will cause unnecessary waste. After all, it meets the sound reinforcement site and clear and ambiguous; and the power is too large, which will cause unnecessary waste. After all, the electric power of the speaker that meets the sound pressure level requirements of the sound reinforcement site is not only related to the sensitivity level, directivity factor, directivity coefficient and the like of the speaker, but also to the crest factor and room constant of the sound reinforcement place. Therefore, before a new studio sound reinforcement system is established, it must perform the calculations it deserves.
It should be noted that the following calculation method for the electric power of the speaker is also suitable for outdoor sound reinforcement, but it is no longer included in the influence of the room constant.
First, a few basic concepts.
Before proceeding with specific calculations, let us first discuss the following:
1. The directivity factor, directivity coefficient and sensitivity level of the speaker.
(1), directivity factor Q (d): It represents the multiple of the sound intensity produced by the speaker at a certain point in space than the theoretical undirected speaker. In the actual calculation, it is characterized by the radiation angle V in the vertical direction of the speaker and the radiation angle h in the horizontal direction:
Q(d)=180°÷sin-1[sin(v/2)·sin(h/2)]
In the formula, the units of V and h are degrees (°), and Q(d) is dimensionless.
DISCO Plaza, like any other indoor sound reinforcement, has a problem of determining the power capacity of the speaker used, that is, the so-called electric power, based on the sound pressure level of the sound reinforcement site. Although for a given room, the designer can determine the electric power of the speaker that he is familiar with based on experience, but for an arbitrary room, a random speaker brand, only empirical estimates are not based on scientific calculations, Not enough. Because the power is too small, it will not achieve the loudness and clarity that it should have; and if the power is too large, it will cause unnecessary waste. After all, it meets the sound reinforcement site and clear and ambiguous; and the power is too large, which will cause unnecessary waste. After all, the electric power of the speaker that meets the sound pressure level requirements of the sound reinforcement site is not only related to the sensitivity level, directivity factor, directivity coefficient and the like of the speaker, but also to the crest factor and room constant of the sound reinforcement place. Therefore, before a new studio sound reinforcement system is established, it must perform the calculations it deserves.
It should be noted that the following calculation method for the electric power of the speaker is also suitable for outdoor sound reinforcement, but it is no longer included in the influence of the room constant.
First, a few basic concepts.
Before proceeding with specific calculations, let us first discuss the following:
1. The directivity factor, directivity coefficient and sensitivity level of the speaker.
(1), directivity factor Q (d): It represents the multiple of the sound intensity produced by the speaker at a certain point in space than the theoretical undirected speaker. In the actual calculation, it is characterized by the radiation angle V in the vertical direction of the speaker and the radiation angle h in the horizontal direction:
Q(d)=180°÷sin-1[sin(v/2)·sin(h/2)]
In the formula, the units of V and h are degrees (°), and Q(d) is dimensionless.
It should be noted that the following calculation method for the electric power of the speaker is also suitable for outdoor sound reinforcement, but it is no longer included in the influence of the room constant.
First, a few basic concepts.
Before proceeding with specific calculations, let us first discuss the following:
1. The directivity factor, directivity coefficient and sensitivity level of the speaker.
(1), directivity factor Q (d): It represents the multiple of the sound intensity produced by the speaker at a certain point in space than the theoretical undirected speaker. In the actual calculation, it is characterized by the radiation angle V in the vertical direction of the speaker and the radiation angle h in the horizontal direction:
Q(d)=180°÷sin-1[sin(v/2)·sin(h/2)]
In the formula, the units of V and h are degrees (°), and Q(d) is dimensionless.
DISCO Plaza, like any other indoor sound reinforcement, has a problem of determining the power capacity of the speaker used, that is, the so-called electric power, based on the sound pressure level of the sound reinforcement site. Although for a given room, the designer can determine the electric power of the speaker that he is familiar with based on experience, but for an arbitrary room, a random speaker brand, only empirical estimates are not based on scientific calculations, Not enough. Because the power is too small, it will not achieve the loudness and clarity that it should have; and if the power is too large, it will cause unnecessary waste. After all, it meets the sound reinforcement site and clear and ambiguous; and the power is too large, which will cause unnecessary waste. After all, the electric power of the speaker that meets the sound pressure level requirements of the sound reinforcement site is not only related to the sensitivity level, directivity factor, directivity coefficient and the like of the speaker, but also to the crest factor and room constant of the sound reinforcement place. Therefore, before a new studio sound reinforcement system is established, it must perform the calculations it deserves.
It should be noted that the following calculation method for the electric power of the speaker is also suitable for outdoor sound reinforcement, but it is no longer included in the influence of the room constant.
First, a few basic concepts.
Before proceeding with specific calculations, let us first discuss the following:
1. The directivity factor, directivity coefficient and sensitivity level of the speaker.
(1), directivity factor Q (d): It represents the multiple of the sound intensity produced by the speaker at a certain point in space than the theoretical undirected speaker. In the actual calculation, it is characterized by the radiation angle V in the vertical direction of the speaker and the radiation angle h in the horizontal direction:
Q(d)=180°÷sin-1[sin(v/2)·sin(h/2)]
In the formula, the units of V and h are degrees (°), and Q(d) is dimensionless.
DISCO Plaza, like any other indoor sound reinforcement, has a problem of determining the power capacity of the speaker used, that is, the so-called electric power, based on the sound pressure level of the sound reinforcement site. Although for a given room, the designer can determine the electric power of the speaker that he is familiar with based on experience, but for an arbitrary room, a random speaker brand, only empirical estimates are not based on scientific calculations, Not enough. Because the power is too small, it will not achieve the loudness and clarity that it should have; and if the power is too large, it will cause unnecessary waste. After all, it meets the sound reinforcement site and clear and ambiguous; and the power is too large, which will cause unnecessary waste. After all, the electric power of the speaker that meets the sound pressure level requirements of the sound reinforcement site is not only related to the sensitivity level, directivity factor, directivity coefficient and the like of the speaker, but also to the crest factor and room constant of the sound reinforcement place. Therefore, before a new studio sound reinforcement system is established, it must perform the calculations it deserves.
It should be noted that the following calculation method for the electric power of the speaker is also suitable for outdoor sound reinforcement, but it is no longer included in the influence of the room constant.
First, a few basic concepts.
Before proceeding with specific calculations, let us first discuss the following:
1. The directivity factor, directivity coefficient and sensitivity level of the speaker.
(1), directivity factor Q (d): It represents the multiple of the sound intensity produced by the speaker at a certain point in space than the theoretical undirected speaker. In the actual calculation, it is characterized by the radiation angle V in the vertical direction of the speaker and the radiation angle h in the horizontal direction:
Q(d)=180°÷sin-1[sin(v/2)·sin(h/2)]
In the formula, the units of V and h are degrees (°), and Q(d) is dimensionless.
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