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Audio
• Audio switching — The DVS 605 A and DVS 605 AD feature audio switching for five
analog stereo balanced or unbalanced inputs.
• Output volume control — DVS 605 audio models provide master volume control.
Fixed and variable line level outputs are available, and each output can be balanced
or unbalanced. Stereo input signals can be output as dual mono. The DVS 605 audio
models also include a S/PDIF digital audio output.
• Audio input gain and attenuation — Gain or attenuation can be adjusted for each
analog audio input to eliminate noticeable differences when switching between
sources.
• Audio breakaway — Provides the capability to break an analog audio signal away
from its corresponding video signal and route to the audio outputs, allowing the
analog audio channels to be operated as a separate switcher.
• Audio switching transitions — A transition technique can be applied during
switches that lowers the audio of the switched‑out source while simultaneously
bringing up the audio of the activated source. The duration of the audio crossfade
matches the duration of the video switching transition.
• Integrated audio delay — The DVS automatically delays all analog and digital audio
inputs to compensate for internal video processing delay. Occasionally additional
audio delay is required to account for other signal processors, scalers, or display
devices in a system. For these situations, the DVS 605 offers an additional 0‑255 ms
static global audio delay that can be set via SIS command or internal web pages to
eliminate audio “lip sync” issues.
• HDMI audio embedding and de-embedding — For DVS 605 models with audio,
analog input audio signals can be embedded onto the HDMI output signal.
The DVS 605 can also extract PCM embedded HDMI audio signals. Encoded
bitstream audio for Dolby
®
Digital or DTS
®
Digital Surround a can be passed to the
HDMI and S/PDIF outputs.
General
• HDCP compliance — features include data rates up to 6.75 Gbps, Deep Color, and
HD lossless audio formats.
• HDCP authentication and signal presence confirmation — The DVS 605 provides
real‑time verification via RS‑232 or Ethernet of the HDCP status for each digital video
input and output. This allows for signal and HDCP verification through USB, RS‑232,
or Ethernet, providing feedback to a system operator or helpdesk support staff.
• HDCP visual confirmation — This provides a green signal when encrypted content
is sent to a non‑compliant display, providing immediate visual confirmation that
protected content cannot be viewed on the display.
• Key Minder — This feature continuously verifies HDCP compliance for quick, reliable
switching. It authenticates and maintains continuous HDCP encryption between input
and output devices to ensure quick and reliable switching while enabling simultaneous
distribution of a single source signal to one or more displays.
• Advanced scaling engine — The DVS 605 features a high performance 30‑bit
scaling engine with the ability to scale high resolution computer‑video and HDTV as
well as standard definition video up or down in resolution.
• EDID Minder — This feature automatically manages EDID communication between
connected devices, ensuring all sources power up properly and reliably output
content for display.
DVS 605 • Introduction 4