[Sound tuning crossover] Role explanation

This corner explains from the outline to the operation method about "sound tuning" which is one of the essential items to obtain better sound in car audio. From this time, we will enter a new chapter and develop explanations about "crossover".

First, let's explain what "crossover" is. In a nutshell, this is "a function that" band-divides "music signals." This is not necessary if the speaker is a "full range type", but if a "multi-way speaker" is used, some kind of tool for "band division" of the music signal is required.

By the way, the "multi-way speaker" refers to a system that prepares, for example, a tweeter that reproduces high frequencies and a mid woofer that reproduces mid-low frequencies. When playing music with two speaker units, this is called "2-way", and when using three units, it is called "3-way".

In a basic car audio system, the "band division" of a music signal is performed by a passive crossover network, which is a part attached to a speaker. However, when using this, basically, the method of "bandwidth division" cannot be changed.

However, as the system becomes more sophisticated, its settings can be changed arbitrarily. By incorporating a device called a "processor" into the system, it becomes possible to search for the optimum "bandwidth division" method each time depending on the speaker mounting conditions.

By the way, "crossover" is also useful when introducing a subwoofer, which is a specialist in bass reproduction. This is because you want to set the division of roles between the front speakers and the subwoofer. If you don't do that, you'll hear infrasound from both the door speakers and the subwoofer when you install the subwoofer. If this is the case, the infrasound will be doubled and come into your ears, making it difficult to combine the sound of the front speakers with the sound of the subwoofer.

However, if you adjust the "band division" using the "crossover function", you will be able to successfully connect the sound emitted from the front speakers and the sound emitted from the subwoofer.

This is the outline of the function called "crossover". Based on this, from the next time, I will start explaining how to "crossover adjustment" between the front speakers and the subwoofer. looking forward to.