Audio Monitoring
Figure 58: Surround sound indicators
NOTE.
The Audio Surround Sound display is courtesy of Radio-Technische
Werkstaetten GmbH & Co. KG (RTW) of Cologne, Germany.
Elements of the Surround
Sound Display
Level Indicators – indicate the audio level balance among the left (L), right
(R), left-surround (Ls), and right-surround (Rs) channels as cyan lines on the
Loudness Grid.
Loudness Grid – the ruled scale, radiating from the center, on which the level
indicators register their audio level and balance. The scale has tic marks at
10 dB intervals. An additional tic mark indicates the –18 dB level. The
–18 dB and –20 dB levels are typically used for aligning audio levels.
Total Volume Indicator – the cyan polygon formed by connecting the level
indicator end points, showing the total sound volume of the L, R, Ls, and
Rs channels. Each connecting line bends away from the center if the two
signals have a positive correlation, bends toward the center if the signals have
a negative correlation, and do not bend if the signals are uncorrelated.
Center Volume indicator – displays the sound volume of the center channel as
a vertical yellow bar between the L and R channels, and connects the ends of
the L, C, and R audio level indicators with straight lines.
Channel-Pair Phantom Sound Indicators (PSIs) – located on each side of the
Surround Sound display, indicates the location of potential phantom sound
sources formed by adjacent channels. The white tic marks on these moving
bar indicators show the phantom source locations. The bar length indicates
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WVR5200 Waveform Rasterizer User Manual
Summary of Contents for WVR5200 Series
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