Dynamic Range Control (DRC) specification for use by decoders providing DRC. You can also add a time delay to individual audio channels to adjust for where speakers are being placed. This type of audio is also known as AC-3 or Dolby® Digital and is one of the audio codecs used in DVD-Video content. With an additional Dolby ProLogic decoder it's possible to provide down-mix facilities using ProLogic to assist a DPL decoder to pull out the surround sound information. Take existing audio and uplift it into a 6 channel playback for greater control of each audio channel. With this software it's possible to enjoy multi-channel audio recordings from Audio CDs, DVDs and more. Dolby Decoder shareware, freeware, demos: SurCode for Dolby Pro Logic II by Minnetonka Audio Software, NET Barcode Recognition Decoder SDK by IDAutomationcom Inc, DataMatrix Decoder SDK/DLL by AIPSYS Software Laboratory etc. When their engineers design these tv boxes, they will use different I/O pins to control the tv box layout and design the printed circuit board.
On the bottom of the screen you will see options to enable a Dialogue Enhancer, Volume Leveler, and Surround Virtualizer, which will all help in simulating a surround sound experience. Because each tv box factory used many different tuner and decoder chipsets, these chipsets have different software codes. AC3Filter is free audio decoder software that is capable of taking AC3 and DTS audio tracks and processing them. Open up the Dolby Audio app from your app drawer, then make sure the equalizer is on by hitting the power icon.