Datasat launches H555 Expansion Card for exceptional audio processing

Thursday 18th April 2013

The H555 Expansion card is the first expansion card available and supports Datasat's ongoing commitment to forward thinking solutions and future technology. Available immediately, the H555 is offered as a no charge upgrade for qualified RS20i owners and will be included in all new product shipments.

The H555 Expansion Card features two additional Digital Signal Processors bringing the total DSP power of the RS20i to eight 400Mhz SHARC® processing chips making it the most powerful processing solution on the market. It supports an extended range of the latest decoders including, Dolby® Pro Logic IIz®, Dolby® Pro Logic IIx®, Dolby® TrueHD and DTS® Neo:X 11.1.™ In addition the H555 Expansion Card can support a number of new speaker configurations up to 16 channels easily accommodating all the configuration capabilities of the newly added Dolby and DTS technologies including front wide and front height speakers. An additional four channels of Dirac Live® Room Correction have been added
to provide 16 channels in total.

"We are pleased to start shipping the H555 Expansion card." stated Stephen Field, Senior VP,
Global Programs and Products. "The audio quality is outstanding and it allows for tremendous
flexibility in system setups, enhancing every aspect of the RS20i and the listeners experience"

The H555 Expansion Card builds upon the powerful feature set and capabilities of the existing
Datasat RS20i. Bass management has been moved to a DTS Neo:X post processing function to offer outstanding flexibility and the set-up screens now feature speaker configurations for six speaker groups including new height and wide channels. The enhanced bass management functionality is always available whether Neo:X has been enabled or not.


Datasat H555: Technical Details

Decoders Supported

• Dolby Digital Plus
• Dolby Pro Logic IIz
• Dolby Pro Logic IIx
• Dolby TrueHD
• DTS Neo:X 11.1

The above decoder support is in addition to the existing decoders supported by the
Datasat RS20i including Dolby Digital, DTS and DTS HDMA decoders.

Speaker configurations

The Datasat H555 Expansion Card increases the number of speaker configurations to
11 plus phantom centre. Speaker configurations of the Datasat RS20i include:

• 2.0 (L, R)
• 3.0 (L, R, C)
• 4.0 (L, R, Ls, Rs)

• 5.1 (L, R, C, Ls, Rs, Sw)
• 7.1h (5.1 + L height, R height)
• 7.1w (5.1 + L wide, R wide)
• 9.1hw (5.1 + L height, R height, L wide, R wide)

• 7.1 (L, R, C, Ls, Rs, Lbs, Rbs, Sw)
• 9.1h (7.1 + L height, R height)
• 9.1w (7.1 + L wide, R wide)
• 11.1hw (7.1 + L height, R height, L wide, R wide)

Technical Note DTS NEO:X can be applied to all decoded streams: 2/6/8ch PCM,
DTS 2.0/5.1/7.1 and Dolby 2.0/5.1/7.1. It can be upmixed to any of the above
speaker configurations. Dolby Pro Logic IIx works for 7.1 surround configurations.
Dolby Pro Logic IIz can be configured to 9.1 adding the front height.

Bass Management

Additional flexibility and set capabilities in the H555 make it easier to support
new bass management configurations. The software allows the user to define the
crossover filter frequency and slope to best match the speaker(s). The high pass and
low pass filters range from 31Hz to 160Hz, and can be set using either 12dB/octave or
24dB/octave range. There is one setting for each of the channel pairs and a separate
configurations for the centre channel. There are now configurations for six speaker groups:

• Centre speaker
• Left front and right front
• Left surround and right surround
• Rear left surround and rear right surround
• Left height and right height
• Left wide and right wide.

The Datasat RS20i can also be configured with up to four subwoofers, optional
phantom centre and phantom surrounds.

For additional product specifications go to

Dolby and the double-D symbol are registered trademarks of Dolby Laboratories.

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