Bedienungsanleitung JBL Intonato 24 (Seite 4 von 104) (Englisch)

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Page 2 INTONATO | 24 Operation Manual

Introduction

For the studio engineer, the Intonato 24 provides master mute, dim, and monitor volume control, as

well as individual speaker mute/solo control, and monitor SPL indication.

Integrated Auto-Calibration System

The Intonato 24 includes a sophisticated auto-calibration system that leverages JBL’s decades of

experience integrating speaker systems into real-world production environments. Based on JBL’s

proprietary software used to measure acoustics during product development, the Intonato 24

incorporates a powerful hardware-based DSP solution designed to produce a “tuned” monitoring

environment that delivers greater accuracy in a broad range of environments.

Using the supplied calibration microphone, the Intonato 24 analyzes the system performance in the

monitoring environment and automatically matches the level, “time-of-arrival” delay, and frequency

response of all speakers. Furthermore, an inﬁnite number of mic position measurements can be taken

to provide an averaged room frequency response, for very complex yet fast and accurate room EQ

calibration.

Differing distances in speaker placement can prevent correlated signals from summing properly at the

mix position. The Intonato 24’s auto-calibration system ensures the output and “time of arrival” of all

speakers is carefully matched. The auto-calibration system measures the level and time of arrival of

each speaker, and applies the precise amount of attenuation and delay to all speakers to match that

of the most distant speaker.

In the low frequencies, the room is in control. Place a speaker in different places in the room and you

will hear differences in low-frequency response. Although a speaker may deliver neutral frequency

response on-axis in an anechoic environment, when measured at the mix position the response is

altered by the interaction of the loudspeaker and the production environment.

“Room modes” or “standing waves” (low-frequency resonance caused by the geometry and

construction of the room) can augment and attenuate low-frequency response, creating a false

impression of bass at the listening position. This issue can result in mixes that are bass-light or bass-

heavy when auditioned on systems outside the control room.

During the auto-calibration process, the Intonato 24 measures the low-frequency response delivered

by each speaker and applies settings to tackle effects of low-frequency resonance. Additionally the

system identiﬁes and neutralizes response anomalies caused by the speaker’s proximity to the room’s

walls or work surface. The system is designed to identify low-frequency resonance and boundary

issues below 500Hz and adjust the “Room EQ” to provide ﬂat low-frequency response from all

speakers. In our experience, the desired low-frequency curve varies according to room size and

material.

Once system calibration is complete, the Intonato 24’s “User EQ” allows the system’s frequency

response to be tailored according to preference—for example, to compensate for perforated-screen

transmission loss, or to create the X Curve or another custom frequency-response contour.

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