Recording

Delay controls of stage speakers

The Music Telegraph | Text 2019/02/19 [12:51]
Recording

Delay controls of stage speakers

The Music Telegraph| 입력 : 2019/02/19 [12:51]

Delay controls of stage speakers

 

 

▲ © The Music Telegraph

 

Since d1 > d'1, d2 > d'2, sound delays from the main speakers occur to the audience.

 

Once the sub speakers are installed and tuned to the audience, you will need to time-align them with the main speakers so that sound coming from the sub speakers arrive at the audience in time with the sound from the main speakers. (To do this, add some delay to the sub speakers)

 

Otherwise, the difference in arrival time between the mains and sub speakers will create sonic problems. 

 

The reason you need to delay the sub speakers is that the electrical signals from the control room will reach both speakers simutaneously, whereas the sound traveling from the speakers near the stage travels through the atmosphere at the speed of sound, which is hundreds of times slower, resulting in a gap of several milliseconds between sources.

 

 

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