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Television Television

Loudness Controll

MT2000

Audio Converter

From: Linear Acoustic

Features:
-ITU-R BS.1770-1/2/3 loudness metering
-Built-in test-signal generator
-Accepts signals via MADI, AES, TOSLINK optical, or HD/SD-SDI connectors
-Optional HDMI and DVB-ASI inputs

The Linear Acoustic® MT2000 Bitstream Analyzer is a portable, handheld diagnostic tool that can monitor and generate Dolby® Digital, Dolby Digital Plus, Dolby E, and PCM bitstreams.

The MT2000 accepts signals via MADI/AES, TOSLINK™ optical, and HD/SD-SDI connectors. Optional DVB-ASI and HDMI signal inputs are available. The unit identifies the format of the selected input signal and activates the appropriate built-in decoder. Monitoring capabilities include error detection at the AES3 layer and within the coded audio layers, including SMPTE 337 formatting information and Dolby E guard band position.

In addition to displaying audio signal statistics and metadata, the MT2000 includes ITU-R BS.1770- 1/2/3 loudness measurement with selectable Dolby Dialogue Intelligence™ to support ATSC A/85 and EBU R128.

An extensive set of useful Dolby Digital, Dolby Digital Plus, and Dolby E test bitstreams is stored internally, and users can modify the set in the field via software download. The MT2000 can generate the selected bitstreams simultaneously on all output connectors, even while receiving and decoding an input signal. The MT2000 is also capable of generating two-channel PCM signals. In this mode, the user can select the output waveform type (white noise, pink noise, sine, square), amplitude, and frequency. Test signals and analysis are also provided for latency and basic lip sync.

Signals are provided simultaneously via the MADI/AES and TOSLINK optical outputs and can be re- embedded into any of the SDI pairs. Output can be the original input signal, a multichannel PCM decoded version of the input signal, test signals, or, in the case of the SDI output, a combination of all of these. Inputs can be used as sources for embedding even if not used for decoding thus channel shuffling can be easily accomplished.

A bright yellow OLED display and integrated rotary navigation cluster provide straightforward menu navigation and function adjustement. A standard 1/8-inch stereo headphone jack can be switched to monitor any two decoded channels or a downmix of the whole program. An integrated monitor speaker provides a surprisingly loud output useful for quick checks and for emulating sound systems found in portable devices.

Features:

-Optional SNMP monitoring
-Decodes and outputs Dolby Digital/Plus/E and PCM bitsteams
-Bright OLED display
-Built-in monitor speaker
-Powered by an internal NiMH rechargeable battery pack or from its DC power port via included universal power supply