LQ-1000

Introduced at the US NAB show, the Linear Acoustic LQ-1000 Loudness Quality Monitor provides loudness and peak level metering of up to eight channels of 5.1 surround and/or stereo AES or SDI audio in accordance with the industry-standard ITU-R BS.1770 – a crucial requirement for mixing and transmitting in compliance with ATSC Recommended Practice A/85.

Joining the recently introduced Linear Acoustic Aero.qc, the 2U-high LQ-1000 shares the same display of critical parameters on a large color OLED display. The LQ-1000 offers metering in a simple cost-effective package for studio mixing and plant-wide monitoring, while the Aero.qc provides metering, loudness correction and upmixing – both critical to ingest and live sports event metering and control.

Current loudness, target loudness and peak level are indicated, while loudness and peak level are displayed simultaneously on a bargraph display. Thumbnail input meters confirm signal presence and level on all channels, and a histogram shows loudness over the duration of the programme. Colour is used to indicate the loudness comfort zone – green if within target, blue if too quiet, yellow if getting loud and red if too loud.

Ideally the LQ-1000 display would be directly in front of the sound mixer, and Linear Acoustic will offer a LQ-1000/Aero.qc Remote Display/GPI module for universal in-console mounting. The units all provide a VGA output to send the full display to an external monitor or multiviewer. AES outputs provide de-embedded audio for speaker monitoring. GPI/O enables remote control of functions assigned to the four programmable front panel buttons and provides tally output alarms when the loudness gets too loud, too soft or centre channel is lost.

Immediately available options include HD/SD-SDI input and re-clocked or re-embedded output,

Dolby Digital/Dolby Digital Plus/ Dolby E decoding and dual power supplies.

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Web: www.linearacoustic.com

Tel: +1 717 735 3611