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The Oppo HM-31 is a 3x1 HDMI switcher supporting the latest HDMI 1.3 standard including deep color, higher bandwidth and a signal equalizer. At $100, the HM-31 provides an inexpensive HDMI switching alternative to a new receiver. Most new flat-panel televisions have 2 HDMI inputs, but likely the consumer has 3 (or more) HDMI devices like an HD DVD/Blu-ray player, set-top box (cable, satellite, TiVo), and next-generation video game system (Xbox 360, PS3).

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Pros & Cons

Pros:
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Inexpensive HDMI switching solution
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HDMI 1.3 with all the latest standards support
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3 switching methods: remote, button, automatic
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Cons:
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Could use more than 3 inputs
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More information

The HM-31 makes it easy switch between your DVD player, set-top box, and gaming system using the included credit card sized remote, a button on the player itself, or let the HM-31 switch automatically by analyzing the presence of an HDMI signal. In the case of automatic switching, the inputs are assigned a priority (ie. 1st, 2nd, 3rd) to determine which source gets displayed if there is more than one signal present.

Features

  • Easily switch between 3 HDMI inputs to 1 HDMI output
  • HDMI 1.3 standard with DDC and HPD switching
  • EIA/CEA-861D, DVI 1.0, HDCP 1.1 compliant
  • deep color, higher bandwidth, signal equalizer
  • signal: Up to 1080p @ 60Hz or 720p/1080i @120Hz with 12-bit color depth
  • Support for long cables because of signal equalizer
  • automatic switching based on the presence of HDMI signal with prioritization
  • Includes remote control, optional external IR input and RS-232 port
  • power: 5 VDC, consumes 3 W, includes AC/DC adapter
  • dimensions: 7-3/8" x 4-1/2" x 1-1/16"
  • weight: 9 oz (250 g)

Oppo is an American electronics manufacturer based out of Mountain View, CA that makes the popular OPPO DV-981HD ($230), OPPO DV-980H ($170) up-converting DVD players.

The Oppo HM-31 was released on September 28, 2007 and retails for $99. Consider the Monoprice 5x1 HDMI switcher ($50) for a cheaper alternative supporting more inputs, but with less features.

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1 comment about Oppo HM 31

1.  avatar Erik  Sep 28, 2007 12:33pm

I would get this for sure if 1) I wanted to save on buying a new A/V receiver to support HDMI, and 2) I had any sources that outputted HDMI :(. You don't get any upscaling or upconversion with this switch, but often the video sources themselves are doing that themselves. For example, the Onkyo DV-HD805 HD DVD player has an HQV Reon upscaler built-in.
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Key Features:

Manufacturer OPPO Digital
Price $99.00
Release Date Sep. 28, 2007

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Product page stats

616 views and 20 edits (see all)
3 contributors -  Erik, calif.bob, dialupinternetuser
Created: 09/28/2007 - 12:09
Modified: 09/29/2007 - 18:19
Model # variations:

HM, 31, HM31