Toner Cable CMN-LA Loudness Analyzer - Manual

969 Horsham Road l Horsham, Pennsylvania 19044 USA l Phone: 215-675-2053 Fax: 215-675-7543 l [email protected]
Features
LLoudness measurement to ITU-R BS.1770
True peak measurement to ITU-R BS.1770 with five times oversampling
Integrated TC Electronic® loudness radar display
Trend chart of levels (15 seconds to 24 hours)
Export values to a PC
Audio status display of clips, mutes, average, high and low levels
Meter up to 16 channels
Alarms for levels, status and Dolby® metadata
Two triple rate SDI inputs
Optional eight AES inputs
Optional Four AES and eight analog outputs
Adjustable output delay
Optional Dolby® AC3 and E decoding (requires AES I/O option) •
•
•
•
•
•
•
•
•
•
•
•
•
Product details •
The The basic CMN-LA unit operates with 3G/HD/SD-SDI embedded audio sources,
with a hardware option for eight AES inputs, four AES outputs and eight analog outputs.
The analog outputs are meant to drive high impedance loads.
Dolby® decoding is a hardware option available at the time of order, or for field instal-
lation. The Dolby® decoder requires the AES I/O option. The AES option also includes
an LTC input for time stamping of log entries.
The CMN-LA also includes internal speakers and a front-panel headphone jack for
source confirmation. A mixdown mode can be applied to the headphone output when
using discreet sources. The mixdown parameters are taken from VANC medatada if
present, otherwise internal menu settings are used.
sPeciFications
Specifications are subject to change without notice.
Digital Audio Input
Audio Formats . . . . . . . . . . . . . . . AES/EBU (optional), embedded audio
AES Input Connector Type . . . . . . . 8 BNC, female
AES Input Impedance . . . . . . . . . . 75 ohms nominal
AES Input Return Loss . . . . . . . . . ≥25 dB, 0.1 to 6 MHz (unbalanced)
AES Input Level . . . . . . . . . . . . . . 0.2 to 2 V
AES Input Sample Rate . . . . . . . . . 32 kHz, 44.1 kHz, 48 kHz, 88.2 kHz, 96 kHz
(audio inputs are sample rate converted to 48 kHz)
Meter Accuracy Over Frequency . . ±0.1 dB from 20 Hz to 19 kHz with 0 to -40 dBFS
sine wave input, except for within 7 Hz of some
submultiples of the 240 kHz oversampling frequency
Digital Audio Output
AES Outputs (optional) . . . . . . . . . AES outputs are derived from embedded, AES or
Dolby ® audio inputs
AES Output Connector Type . . . . . 4 BNC, female
AES Output Impedance. . . . . . . . . 75 ohms nominal
AES Output Return Loss . . . . . . . . ≥25 dB, 0.1 to 6 MHz (unbalanced)
Analog Audio
Analog Output Frequency Response with Digital Inputs . . . . . . . ±0.1 dB
Analog Output SNR with Digital Inputs . . . . . . . . . . . . . . . . . . . ≥100 dB
Analog Output THD and Noise with Digital Inputs . . . . . . . . . . . .02%
Crosstalk . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ≤-80 dB
Part of the Videotek® Compact Monitor Series, the CMN-LA loudness analyzer is
a comprehensive audio monitoring tool that makes it easy to confirm compliance
with the latest loudness requirements. Loudness and true peak measurements
are made to the ITU-R BS.1770 standard with five times oversampling. Built-in
modes offer quick setup to ATSC A/85 or EBU R 128 recommendations. Up to five
days of loudness data are stored internally and easily retrieved through the USB
port or internal web server. Metering of up to 16 channels simultaneously makes
for rapid alignment checks.
Integated into the CMN-LA is the TC Electronic ® loudness radar meter, which
shows loudness on short-terms meters, graphs covering periods from one min-
ute to 24 hours, and numeric display of the long-term center of gravity (average
loudness) and consistency (loudness range). The flexible display of the CMN-LA
presents data in a format most useful for the job at hand. Use the integrated TC
Electronic loudness radar meter during production, the audio status display during
program ingest, and the combination of loudness and true peak meters, numeric
display and trend chart for master control monitoring. The chart data can be ex-
ported for compliance reporting. Adjustable audio output delay compensates for
video monitor processing in critical evaluation suites.
Short mounting depth makes the CMN-LA loudness analyzer ideal in a QC moni-
toring rack or on the meter bridge of an audio console.
&01/$
/RXGQHVV$QDO\]HU