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DVM-1845
$269
The DVM-1845 5-disc carousel DVD player now offers HDMI v1.1 with selectable scaling to 1080p for integration into today's HD display systems. Upgrading your home system with this DVD player will provide you exceptional video performance with clear detailed surround sound using 24bit 192kHz D/As. On screen display and picture mode adjustments make it easy for you to tailor the system for the best possible performance.
Suggested Denon accessories:
View new product Warranty.
| FEATURES |
| Availability | June 2007 |
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| Cosmetic Finish | Black |
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| Equal Power Amplifiers | – |
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| DVD-Video |  |
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| DVD-Audio | - |
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| Super Audio CD | - |
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| Music/Video CD/CD-R/CD-RW Playback | |
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| DVD-R/RW Video | |
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| DVD+R/RW Video | Conditionally |
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| Kodak Picture CD Compatible | |
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| Fujifilm Fujicolor CD Compatible | |
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| JPEG Photo-File Viewer | |
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| WMA9 Playback | – |
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| Single Disc Play | |
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| Multi-Disc Play | 5 Disc |
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| Progressive Scan | |
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| DDVC – Dual Discrete Video Circuitry | – |
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| DCDi™ by Faroudja Progressive Scan Decoding Engine | - |
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| Noise Shaped Video™- Interlace and Progressive | – |
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| 3:2 Pull down Detection | |
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| Chroma Upsampling Error – Chroma Bug | No |
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| DPIC – Denon Pixel Image Correction | – |
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| 10-bit, 27MHz Analog Devices Video DAC (480i) | – |
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| 10-bit, 54MHz Video DAC (480p) | – |
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| 10-bit, xxMHz Video DAC (480i/480p) | 108MHz |
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| Dual, Discrete 12-bit, 216MHz Analog Devices Video DACs (480i/480p) | – |
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| Dual, Discrete 14-bit, 216MHz Analog Devices Video DACs (480i/480p) | – |
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| Super Sub Alias Digital Filter | – |
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| Buffer Memory to decrease Layer change | 2MB |
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| Multi-speed DVD-ROM Drive - 2X for DVD, 4X for CD | 1.5/3.5 |
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| Burr-Brown 24/192 Audio DACs (DSD/PCM Discrete) | PCM-1756 |
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| Burr-Brown 24/192 FL/FR, 24/96 C/SL/SR/Sub | – |
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| Digital Bass Management for DVD-Audio/MLP/SACD, High (12dB) and Low Pass (24dB) with Speaker Configuration/Level Control and Delay Time Control | – |
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| HDCD Decoder | – |
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| Built-In Dolby Digital, dts, DVD-Audio, SACD* Decoders with 5.1 outputs | – |
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| WMA 9 (Audio only), MP3 Audio Decoder for CD-R/RW, DVD-R/RW Discs | |
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| Mosquito, 3D, Block, Noise Reduction Adjustments | – |
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| Picture Mode Adjustments | |
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| 4:3 Aspect Ratio Shrink and Zoom Adjustments for 480p *Available on HDMI/DVI Outputs | Zoom |
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| Pure Direct Modes (User Selectable - Video/Digital/Display Off) | – |
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| Composite Video Output | |
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| S-Video Output | |
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| Component Video Output | |
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| Coaxial and Optical Digital Outputs | |
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| Parallel Digital/Analog Audio Outputs | |
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| Parallel Video Outputs | Component/S-Video/Composite |
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| IEEE-1394 Audio Outputs (PCM/DSD compatible) | – |
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| True 24-bit/96kHz Digital PCM 2-Ch. Output *24/192 on DLink, IEEE-1394 | |
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| HDMI 1.1 (HDCP Compatible – SiL9030) - With Selectable Scaling – 480p/720p/1080i/*1080p and DVD-Audio Output | - |
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| DENON Link SE – Proprietary digital, fully balanced output of DD/dts/DVD-Audio/PCM/SACD* | – |
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| DVI-D (HDCP Compatible) - With Selectable Scaling – 480p/720p/1080i | - |
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| Black Level Adjustment | |
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| Passes Below Black for Monitor Calibration | |
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| Discrete Power On/Off | |
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| RS-232C Port for Third Party Controllers | – |
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| Remote I/O Ports | |
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| Auto-Power Off | |
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| On-screen Display | |
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| Disc Exchange during Play | |
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| Virtual Surround Sound | |
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| Lock Drawer Mode (Store Demo) | – |
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| Front Panel Construction | Mold |
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| Weight (Pounds) | 9.9 |
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| Width | 17.1 |
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| Height | 4.1 |
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| Depth | 14.6 |
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Manuals & Documents
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Product Sheet (4.01MB) (11/21/2007)
Owner's Manual - English (877KB) (2/1/2008)
Owner's Manual - Spanish (892KB) (2/1/2008)
Dimensions Diagram (111KB) (1/11/2008)
Binary IR Codes (19.1KB) (1/11/2008)
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Disclaimer: Denon does not guarantee a response from the dealer you are attempting to contact. For immediate response to your questions we recommend contacting the dealer via phone.
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10-Channel Equal Power
10-Channel Equal Power is a feature in some of Denon’s high-end receivers and power amplifiers. These fully configurable amplifiers provide many combinations. Some examples are:
o Dual 5.1 Discrete Zones with DVD-A/SACD
o 5.1 Main Zone all channels Bi-Amplified
o 5.1 Main Zone, Z2 & Z3 Stereo, Z4 Mono
o 6.1 Main Zone, Zones 2 and 3 Stereo
o 7.1 Main Zone, Zone 2 Stereo, Z3 Mono
o 7.1 Main Zone, Front L/C/R Bi-Amplified
o 9.1 Main Zone, Zone 2 Mono
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2 way RC
2-Way Remote capability allows the status information and current mode of a receiver or pre-amp to be shown directly on the display of the remote for ease of control without looking on the front panel of the receiver or pre-amp, or on the display. This allows multi zone operation and control without being in direct line of sight with the receiver, pre-amp or display which is perfect for RF control. (RC-7000CI & RC-7001RCI required and is also dependent on the Denon receiver or pre-amp used.)
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24-bit/192-kHz D/A (digital-to-analog) Converters
These high speed, high accuracy digital-to-analog converters extract all the information contained in today’s high density digital sources. They convert 192,000 24-bit digital words per second into analog signals to extract the highest definition audio sound. They are fully capable of converting any signal from a DVD-Audio disc as well as providing superior reproduction from conventional CD, CD-R/CD-RW discs. Today’s converters also provide exceptional dynamic range and are largely free of “clock jitter,” a time-based inaccuracy that plagued earlier D/A converters.
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5.1-, 6.1-, 7.1-Channels
A surround processor, or receiver, may produce 6, 7, or 8 channels of output, depending on the source and type of surround processing. The basic surround format (“5.1” surround) includes three full-range front channels (left, right and center), two full-range surround channels (left surround and right surround), and a low-frequency, or subwoofer channel. Because the subwoofer channel carries only the lowest octaves compared to the five full-range speakers, it is called the “.1” channel. A “6.1-channel setup” adds a separate full-range “center back” speaker to the 5.1 array. A “7.1”-channel system includes two “back” channels in addition to the surround channels.
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6-Channel Equal Power
6-Channel Equal Power connects 6 speakers independently without requiring separate power amps for the pre-outs. It complements Dolby Digital EX and dts ES sound modes, allowing you to connect the 'surround back' speaker straight off the main amplifier without adding a power amplifier to support 6.1 surround formats. With built-in separate internal amplifiers to power each channel independently, this feature allows you to enjoy the same high power output capability per channel, giving a balanced and truly high-impact surround-sound environment.
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7-Channel Equal Power
7-Channel Equal Power is a feature used in various Denon amplifiers to connect 7 speakers independently so that separate power amps connected via pre-outs are not required. It allows you to connect the second 'surround back' speaker to complement the surround back speaker for 6.1, straight off the main amplifier without adding a power amplifier to support 7.1 surround formats. Amplifiers with 7-Channel Equal Power have built-in separate internal amplifiers to power each channel independently, thus allowing you to enjoy the same high power output capability per channel, giving a balanced and truly high-impact surround-sound environment.
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7-Channel Stereo
Denon's 7-Channel Stereo mode enables top quality normal two channel stereo output from the surround speakers to provide a unique 7 channel stereo option. This mode can be fully utilized from any high quality stereo source via CD, tape, FM-radio or video recorder for dynamic 7-channel output. The 7-channel stereo is available if you have a surround back right speaker connected as well as the surround back left speaker used in 6.1, otherwise you can still experience multi-channel stereo output using a 5-channel-stereo or 6-channel-stereo configuration.
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Advanced AL24 Multi
In addition to the existing “AL24 Processing Plus” bit expansion technology, DENON has also developed “Advanced AL24 Processing” that dramatically improves information volume in the time axis region using high-speed signal detection and processing technology. In addition to expanding original 16-bit digital data to 24 bits, “Advanced AL24 Processing” uses data interpolation along the time axis or up-converted sampling to achieve natural interpolation without losing the original data. Advanced AL24 Processing Multi Channel is conducted for all channels and modes other than DSD DIRECT.
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Advanced AL24 Processing
The acclaimed Advanced AL24 DSP processing improves the fidelity of high resolution stereo PCM sources such as CD and DVD (up to 192kHz sampling frequencies). Through sophisticated DSP processing algorithms, it improves low level detail and enhances fidelity by up-sampling and adaptive filtering techniques. Advanced AL24 also provides increased dynamic range and spatial information, bringing out all the nuances with optimum clarity and natural fidelity. For additional information, visit the Denon Tech Showcase.
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AL24 Processing
AL24 Processing is a newly developed technology that reduces quantization distortion and represents the ultimate analog waveform reproduction that is designed to support the higher numbers of bits and higher sampling rate of next-generation media. It senses the nature of the digital data being input and interpolates the data so that it faithfully replicates the original analog waveform.
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AL24 Processing Plus
Denon has further developed its proprietary AL24 Processing, an analog waveform reproduction technology, to support the 192-kHz sampling frequency of DVD-Audio. This new technology thoroughly suppresses quantization noise with D/A conversion of LPCM signals to reproduce the low-level signals with optimum clarity that brings out all the delicate nuances of the music. For additional information, visit the Denon Tech Showcase.
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ALPHA Processing
ALPHA processing is the world's first technical formula for reproducing an analog waveform from the reproduction of 16-bit data in 20-bit quality. The ALPHA processor interpolates the digital data recorded on a CD and reproduces it in a waveform that is very close to the way these musical signals would look in a natural analog waveform.
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ASD-1R
The Denon ASD-1R is a convenient iPod docking station compatible with this Denon component. Charging, iPod control, and playback of audio and video content is possible and is dependent each device's capabilities.
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Audyssey Equalized
Audyssey is the first technology to properly measure sound information throughout a listening area and then combine this information to accurately represent the acoustical problems in the room. Based on these measurements, Audyssey calculates an equalization solution that corrects for both time and frequency response problems.
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Audyssey MultEQ XT
The Audyssey MultEQ XT provides advanced room correction and calibration technology. During the Auto Set-Up mode, MultEQ XT automatically determines how many loudspeakers are connected, whether they are connected in phase and whether they are satellites or subwoofers. After processing, it then analyzes and calibrates speaker level, size, and distance. MultEQ XT detects the proper crossover point and determines correct frequency response for up to eight listener positions simultaneously. Denon's implementation of MultEQ XT uses multiple DSP processors with high-end digital-to-analog converters. Both the Room EQ and Auto Set-Up features can be disabled if required. For additional information, you can download an Audyssey MultEQ XT tech note in the download section for the products having the feature.
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Auto Setup
The Auto Set-Up feature eases setup hassles by confirming speaker phase, assessing the sizes of all of your speakers, measuring speaker-to-listener distances, and balancing speaker levels. With the Denon DM-A405 or DM-S205 placed in your favorite listening seat, this feature uses a test tone generator and proprietary programming to precisely balance speaker levels and fine-tune the delay settings for each speaker. The result is optimized system performance for your specific home theater room.
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Auto Set-Up/Room EQ Adjust
The Auto Set-Up/Room EQ Adjust feature eases setup hassles by confirming speaker phase, assessing the sizes of all of your speakers, measuring speaker-to-listener distances, and balancing speaker levels. With the Denon DM-A405, DM-S205 or DM-S305 calibration-grade microphone (some optional) placed in your favorite listening seat, this feature uses a test tone generator and proprietary programming to precisely balance speaker levels and fine-tune the delay and EQ settings for each speaker. The result is optimized system performance for your specific home theater room.
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Back Light Remote
Back light remote controls offer visibility in low light or dark theater conditions as the keys or panel are lit from behind. Users do not have to remember where keys are in order to operate the component as they can be easily seen.
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Cinema Equalizer
The sound from movie sources recorded in Dolby Digital, dts, or other formats emphasizes high-frequency range due to a theater’s front speakers being placed behind the movie screen. If this sound is reproduced in the home theater without correction, the high-frequency range can be too strong. Denon amplifiers feature a Cinema Equalizer to correct these high-frequency components so that the sound is clearer and easier to listen to.
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Compact Disc - Digital Video
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Compact Disc-Recordable (CD-R)
CD-R is a recordable compact disc that can be written to only once. Once data is “burned” onto the disc, it cannot be altered, erased, or written over.
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Compact Disc-Rewritable (CD-RW)
The data on CD-RW discs can be erased, modified, or written over. You will need a CD-RW recorder to burn CD-RW discs. Not all players can read CD-RW discs as they do not reflect a laser beam with the same intensity as do CD and CD-R discs.
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Composite Video
Composite Video is a video signal format that transmits both chrominance (color) and luminance (brightness) information on a single 75-ohm cable. A virtually universal format, it provides the minimum quality you should expect from today’s home entertainment components. For the technically-minded, chrominance is carried in a 3.58-MHz sideband and is filtered by the television’s notch or comb filter. Poor filtering can result in “dot crawl,” “hanging dots,” or other image artifacts.
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Custom Integration
Custom Integration "CI" is Denon's certification to custom installers that models marked with the CI stamp have advanced connectivity and control features often required for custom home integration and theater applications using premium control systems.
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DDSCHD
D.D.S.C.-Digital-Circuit is used for high-quality Sound Reproduction. It is a circuit configuration specially designed by Denon in which all elements of the surround processor are optimized through the use of selected high-performance discrete components, including separate A/D and D/A converters, with sophisticated DSP surround decoding. The latest version D.D.S.C.-HD, incorporates the latest updates to accommodate today's HD requirements.
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Denon Link
Connected via a shielded twisted pair (STP) RJ-45 fitted cable to a Denon Link-compliant A/V amplifier, the balanced signal transfer offers lower voltage than coaxial or unbalanced cables. Since Denon Link is far less susceptible to radiated noise, it ensures the highest level of signal transfer. The Denon Link interface is able to transfer high grade LPCM 24-bit, 192kHz, 2-channel and 96kHz, 24-bit, multi-channel digital output. Denon Digital Link uses low-voltage differential signaling (LVDS). Transfer capabilities of greater than 1.2 Gbps at a differential voltage of approximately 0.3 Vpp are possible. For additional information, visit the Denon Tech Showcase.
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Denon Pixel Image Correction (DPIC)
DPIC is a patented image enhancer algorithm and processing method, which enhances the target pixel by analyzing all the surrounding 8 pixels to produce a more natural image. It detects and processes images with vertical, horizontal and also diagonal direction at pixel level. The Luminance(Y) and Chrominance difference (Cr, Cb) signals are processed with the DPIC algorithm. The result of running this process on the signals and the corresponding pixels is a more natural image.
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Digital Light Processing (DLP)
DLP is a method of displaying images developed by Texas Instruments. DLP projects video images by reflecting a light source off an array of tens of thousands of microscopic mirrors. Each mirror represents one pixel and reflects light toward the lens for white and away from it for black, modulating in between for various shades of gray. Three-chip versions use separate arrays for the red, green, and blue colors. Single-chip arrays use a color-filter wheel that alternates each filter color in front of the mirror array at appropriate intervals.
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Directional Correlation De-interlacing (DCDi)
DCDi is a specialized video processing developed by Faroudja that involves advanced algorithms to remove the jagged edges that appear when standard interlaced video is viewed on progressive scan displays. DCDi converts standard interlaced signals into progressive scan signals in order to eliminate the stair casing effect that conventional up-converters can introduce to diagonal edges.
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DivX Video-Playback
DivX is an advanced digital media format. The DivX codec (short for compressor / decompressor) compresses the video to a convenient size without losing any noticeable quality. For example, the DivX codec can compress an MPEG-2/DVD file to nearly one-tenth its original size. Players displaying the DivX logo are capably of playing this type of disc.
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Dolby Digital
Dolby Digital is the multi-channel digital signal format developed by Dolby Laboratories. Dolby Digital consists of up to “5.1” channels – front left, front right, center, surround left, surround right, and an additional channel exclusively reserved for additional deep bass sound effects. Dolby Digital’s main channels can all contain full range sound information, from the lowest bass, up to the highest frequencies – 22 kHz. The signals within each channel are distinct from the others, allowing pinpoint sound imaging and tremendous dynamic range from the most powerful sound effects to the quietest, softest sounds, free from noise and distortion.
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Dolby Digital EX
In a movie theater, film soundtracks that have been encoded with Dolby Digital surround EX technology are able to reproduce an extra channel which has been added during the mixing of the program. This channel, called Surround Back, places sounds behind the listener in addition to the currently available front left, front center, front right, surround right, surround left and subwoofer channels. The additional channel provides the opportunity for more detailed imaging behind the listener and brings more depth, spacious ambience and sound localization then ever before.
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Dolby Headphones
In conventional headphones, sound is directed into the listener’s ears from two sides in order to preserve the stereo effects from the speakers. The Dolby Headphone, however, generates signals that more closely emulate surround sound from the speakers to give you a more realistic multi-channel sound effect through your headphones. It supports Dolby Pro Logic, Pro Logic II, and Dolby Digital as well as stereo and multi-channel signals. Dolby Headphone reproduces the sonic experience you receive through your speakers from stereo or multi-channel sources. It provides three distinct modes:
o DH1: Referred to as Dolby Headphone “Reference Room,” this mode recreates a small, acoustically “dry” room, well-suited to both music and movie programs.
o DH2: This mode has an acoustically softer effect than DH1, and is best suited for music recordings.
o DH3: This mode gives a greater sense of distance and sonic dispersion to create a large room such as a concert hall or movie theatre.
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Dolby Noise Reduction
The Dolby noise reduction system substantially reduces the tape background noise (hiss) inherent in the cassette medium. Tape background noise consists primarily of high frequency information, which is particularly annoying during soft passages. The Dolby NR system increases the level of low volume mid and high-frequency signals during recording and reduces the level of these signals by an identical amount during playback. As a result, the playback signal is identical to the original source, but the level of background noise generated by the tape is greatly reduced.
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Dolby Pro Logic II
Dolby Pro Logic II is a new multi-channel playback format developed by Dolby Laboratories using feedback logic steering technology and offering improvements over conventional Dolby Pro Logic circuits. It can be used to decode not only sources recorded in Dolby Surround, but also regular stereo sources into five channels (front left, front right, center, surround left and surround right) to achieve surround sound. Dolby Pro Logic II offers a wider band range (20 Hz to 20 kHz or greater) and the surround channels are played as stereo signals. Various parameters can be set according to the type of source and the contents, so it is possible to achieve optimum decoding.
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Dolby Pro Logic IIx
Dolby Pro Logic IIx furthers the matrix decoding technology of Dolby Pro Logic II to decode audio signals recorded on two channels up to 7.1 playback channels, including the surround back channel. Dolby Pro Logic IIx also allows 5.1-channel sources to be played in up to 7.1 channels. The mode can be selected according to the source – Music mode is best suited for playing music, Cinema mode for playing movies, and Game mode for playing games.
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Dolby True HD
Dolby TrueHD is a high definition audio technology developed by Dolby Laboratories, using lossless coding technology to faithfully reproduce the sound of the studio master.This format is compatible with a maximum sampling frequency of 96 kHz and up to 7.1-channels, so it is used for applications particularly prioritizing sound quality.
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Dolby Virtual Speaker
Dolby Virtual Speaker technology simulates a highly realistic 5.1-speaker surround sound listening environment from two speakers. It also creates a wider two-channel environment during playback of stereo CDs and MP3s, and when combined with Dolby Pro Logic II processing, delivers a virtual surround listening experience from any high-quality stereo source. More than a simple "expanded stereo" performance, Dolby Virtual Speaker incorporates highly advanced algorithms and extensive room-modeling technologies to reproduce the sonic spectrum and dynamics of a properly placed 5.1-speaker system in a room.
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dts 96/24
dts 96/24 allows high-quality 5.1 channel sound playback with full-quality, full-motion video. dts 96/24 allows both digital audio output and video output from your existing DVD player and is backward compatible with existing dts decoders for normal dts 5.1 playback. dts 96/24 exceeds the resolution of most film soundtrack masters to date, and will initially apply mainly to high quality dts music DVD discs.
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dts Digital Surround
dts Digital Surround (also called simply dts) is a multi-channel digital signal format developed by Digital Theater Systems. dts is a 5.1-channel surround sound format that is available in movie theaters, and as an optional soundtrack on some DVD-Video movies for home theater viewing. The primary advantage of dts is that it offers higher data rates, leading many home theater enthusiasts to claim the sound quality for movie or music audio tracks to be closer to the original master recordings.
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dts Neo:6 Cinema
This mode is optimum for playing movies. Decoding is performed with emphasis on separation performance to achieve the same atmosphere with 2-channel sources as with 6.1-channel sources. This mode is effective for playing sources recorded in conventional surround formats as well, because the in-phase component is assigned mainly to the center channel (C) and the reversed phase component to the surround (SL, SR and SB) channels.
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dts Neo:6 Music
This mode is suited mainly for playing music. The front channel (FL and FR) signals bypass the decoder and are played directly so there is no loss of sound quality, and the effect of the surround signals output from the center (C) and surround (SL, SR and SB) channels add a natural sense of expansion to the sound field.
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dts Neo:6 surround
This mode applies conventional 2-channel signals to the high precision digital matrix decoder used for dts-ES Matrix 6.1 to achieve 6.1-channel surround playback. High precision input signal detection and matrix processing enable full band reproduction (frequency response of 20 Hz to 20 kHz or greater) for all 6.1 channels, and separation between the different channels is improved to the same level as that of a digital discrete system. dts Neo:6 surround includes two modes for selecting the optimum decoding for the signal source – dts Neo:6 Cinema and dts Neo:6 Music
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dts-ES Discrete 6.1
dts-ES Discrete 6.1 is one of the newest recording formats, with all 6.1 channels (including the SB channel) recorded independently using a digital discrete system. Since each of the surround channels are fully independent, the sound can be designed with total freedom to achieve a sense that the acoustic images are moving about freely among the background sounds surrounding the listener from 360 degrees. Though maximum performance is achieved when sound tracks recorded with this system are played using a dts-ES decoder, when played with a conventional dts decoder the SB channel signals are automatically down-mixed to the SL and SR channels, so none of the signal components are lost.
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dts-ES Extended Surround
dts-ES Extended Surround is a new multi-channel digital signal format developed by Digital Theater Systems. Used professionally in movie theaters since 1999, dts-ES Extended Surround greatly improves the 360-degree surround impression and space expression thanks to further e | | | |
