Vitec Multimedia DCM User Manual

Dvd-video production system

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VITEC MULTIMEDIA
DCM™
DCM™
User guide
Octobre 2001
Revision 3.0

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Summary of Contents for Vitec Multimedia DCM

  • Page 1 VITEC MULTIMEDIA DCM™ DCM™ User guide Octobre 2001 Revision 3.0...
  • Page 2 Important note: For the latest information about this product and its installation procedure please refer to the "DCM Quick start" leaflet included in the package. Any last minute modification regarding the use of DCM™ will be reported and explained to you in this document.
  • Page 3 All trademarks mentioned in this manual and other VITEC MULTIMEDIA documentation are the property of their respective owners. Unless such provision is inconsistent with local Law in your country, VITEC MULTIMEDIA provides this publication "as is" without any warranty of any kind, either express or implied, including, but not limited to, the limited warranties of merchantability or fitness for a particular purpose.
  • Page 4: Table Of Contents

    1. Imager for DCM™ overview 2. Source connection a. VIDEOMAKER II connectors 3. Getting started with Imager for DCM 3. Getting started with Imager for DCM 4. Source selection and capture settings a. Input/Output selection tab b. Output stream(s) selection– Target tab c.
  • Page 5: Introduction

    DCM™ - User guide I. Introduction This part offers an overview of DCM™. We do recommend that you read it carefully before you proceed. 1. Foreword DCM™ : the turnkey DVD solution DCM™ is a complete DVD-Video production system. DCM™ includes all the tools and utilities required to create and produce a DVD-Video and/or MiniDVD that can playback on all existing players (DVD-ROM, DVD-RAM, DVD+RW, DVD-R, DVD-RW, CD-ROM, Hard Drives, Home set top Players, …) and...
  • Page 6: Product Overview

    DCM™ - User guide 2. Product overview DCM™ includes a real time video capture and compression PCI card that also features a video output. It captures and plays back analog video signals in any of the common standards (NTSC, PAL, SECAM, S-Video).
  • Page 7: Installation

    Ø Several drivers will be proposed. Select the one corresponding to your OS. For instance: “DCM v3.0 W98-Me” and then click “Next”. Ø Windows will then identify the device as “DCM V3.0 W98-Me”. Click "Finish" to complete the process. Ø Click "OK" when prompted to reboot your computer.
  • Page 8: Software Installation

    DCM™ - User guide 3. Software installation You can now proceed with Imager for DCM software installation. • Browse the "VITEC MULTIMEDIA Installation CD" and launch "Setup.exe" from the "DCM" directory. • Follow the instructions that will guide you through the setup process.
  • Page 9: Recording Streams

    A mini-DIN female connector for Y/C video pass-through, which is also used for composite video pass-through with the supplied RCA to mini-DIN adaptor. • A DB-15 female connector that is not used in DCM Note: The supplied RCA to mini-DIN adaptors do not convert a composite video signal into a S-Video signal but are merely DCM™...
  • Page 10 DCM™ - User guide VIDEOMAKER II card bracket MiniJack audio input connector MiniDIN video input connector AUDIO IN Use the supplied RCA/MiniDIN adaptor for composite signal input. MiniJack audio output connector VIDEO IN MiniDIN video output connector AUDIO OUT Use the supplied RCA/MiniDIN adaptor for composite signal output.
  • Page 11: Getting Started With Imager For Dcm

    DCM™ - User guide 3. Getting started with Imager for DCM Imager for DCM is launched via the DCM program group: Start > Programs > VITEC Multimedia > DCM > Imager DCM v3.0. The following window pops up: It is Imager main window.
  • Page 12: Source Selection And Capture Settings

    DCM™ - User guide 4. Source selection and capture settings Clicking lets you access all DCM™ configuration windows: The following dialog box pops up first: First the video source has to be defined. Select “Composite” or “S-video” and “NTSC/PAL/SECAM” depending on what your video source is able to supply.
  • Page 13: Input/Output Selection Tab

    DCM™ - User guide Advanced settings : this is only useful in the “custom” mode. If one of the preset modes among VCD, XVCD, SVCD or DVD is specified, then the reader can directly jump to chapter 5 – Recording. If Custom mode is selected, then it is useful to read the following information.
  • Page 14: Output Stream(S) Selection- Target Tab

    DCM™ - User guide - Filters settings : A set of pre-processing filters can be selected from Filter 1 to Filter 5 (from the lightest to the strongest). These filters are useful in noisy video sources like VHS tapes and when the target bitrate is low.
  • Page 15 DCM™ - User guide - Compliance section: This section allows you to make sure that the generated streams will comply with the DVD, VCD, XVCD or SVCD standard. “Std MPEG” stands for standard MPEG with no specific compliance rules. Checking one of the items in this section imposes some strict constraints on some parameters in the other tabs.
  • Page 16 DCM™ - User guide The next step is to pick the encoding resolution. The chosen values will set the width and height in pixels of the encoded pictures. The choices available from the drop down list depend on the type of stream (MPEG-1 or MPEG-2) and video standard (NTSC, PAL or SECAM) you selected.
  • Page 17: Audio Settings - Audio Tab

    DCM™ - User guide c. Audio settings – Audio tab This tab sets the MPEG audio stream encoding parameters. Only the "Sample Rate" and "Mode" fields are available in this tab if you selected "Linear PCM" or "AC-3" as "Audio Stream Type" in the "Target" tab.
  • Page 18 DCM™ - User guide - Bit Rate section: You can select the bitrate of your MPEG audio stream. In Layer 2, Hi-Fi quality is achieved at 224 kbps. In the case of a "Mono" encoding mode, the available bitrate are logically half smaller.
  • Page 19: Advanced Video Settings - Mpeg Video Tab

    DCM™ - User guide d. Advanced video settings – MPEG Video tab This tab lets you adjust the video stream parameters. - GOP section: In this section, you can choose the GOP structure of the stream made of I, P and B images.
  • Page 20: Calibration -Signal Calibration Tab

    DCM™ - User guide - Bit Rate section: This section lets you choose between constant (CBR) and variable (VBR) bitrate. For constant bitrate, set the requested value in the "Const." Field. For variable bitrate, set the requested average value in the "Avg." field and the maximum value allowed in the "Max."...
  • Page 21 DCM™ - User guide - Audio Control section: Use the sliders or the associated fields to set the left and right audio channels levels. Check "Lock Left & Right" to adjust both channels at once. VITEC MULTIMEDIA – DCM™...
  • Page 22: Recording

    5. Recording Once all parameters are set properly, you just need to choose a name for your streams before you can start recording with DCM™. To do so click . A dialog pops up requesting you to select the file name.
  • Page 23 - During the recording session: • If the preview is not on, a VITEC MULTIMEDIA logo is displayed in Imager for DCM central window and a message reports "Encoding…". • If the preview is on, it is refreshed according to the available resources. DCM™ will get the best out of your system to encode the streams and may reduce the preview refresh rate in order to achieve better encoding quality.
  • Page 24 DCM™ - User guide Notes: If you select to set an encoding length in Megabytes, make sure to keep a sufficient security margin of free space on your hard drive. Notice that in the case of a length set in Megabytes or images, the time frame slider is updated to the approximate duration of the stream (which depends on the selected audio and video bitrates).
  • Page 25: Where To Look If There Is A Problem

    1. Imager has started but only the button is active. The default capture device may have been reset. To fix this problem and restore DCM™ as the default encoder for the application, proceed as follows: Click In the window that pops...
  • Page 26: The Video Streams Seem Jerky When Played Back

    4. I did not find the solution to my problem in this section In this case, you may refer to the Quick Start leaflet that was included in your DCM™ package. It may include other tips to help you getting out of trouble.

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