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Adtec mediaHUB-HD 422 User Manual
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Adtec mediaHUB-HD 422 User Manual

Multi-codec hd 422 encoder
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Multi-CODEC HD 422 Encoder

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Summary of Contents for Adtec mediaHUB-HD 422

  • Page 1: User Guide

    Multi-CODEC HD 422 Encoder User Guide...
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  • Page 3 High- and Standard- Definition multi-CODEC workhorse. With the ability to encode any combination of HD or SD, MPEG 2 or MPEG 4 AVC with 4:2:0 or 4:2:2 color space, the mediaHUB-HD 422 supports past, present and future requirements. With support for 40 encoding profiles and auto-detection capability for resolution and frame rate, this product can hit the ground running regardless of your application.
  • Page 4 GNU General Public License • (c) 2009 Adtec Digital. All rights reserved. This document may not, in whole or in part, be copied, photocopied, reproduced and translated, or reduced to any electronic medium or machine-readable form without prior consent in writing from Adtec Digital. Trademarks: mediaHUB Pro 422 is a trademark of Adtec Digital.
  • Page 5 Studio Applications: Frame accurately capture video and four pairs of stereo audio with the mediaHUB-HD 422. The standard Sony 9-PIN interface operates in Controller and Recorder mode allowing it to control a tape device or be controlled by a non-linear editor (NLE).
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  • Page 7 Front Panel The mediaHUB-HD 422 should be installed into a one-rack unit 19” rack slot. Power should be applied to the unit and configured with a valid IP address via the front panel. Once the IP is configured, you can use Telnet or a web browser to configure and control the unit.
  • Page 8 Front Panel Navigation The mediaHUB-HD 422 has an LCD display on the front panel. Using the Mode, Select, Enter, Escape buttons and directional buttons, you can navigate the front panel menu and control the unit. The mediaHub-HD 422 is always logged in on startup •...
  • Page 9 There are 9 menu trees accessible from the front panel. Using the MODE button, you can scan through the System, Decoder, Encoder, Transport, PID, Table, Profile, and Encryption menus. By pressing the SELECT button you can enter one of these sub menus.
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  • Page 11 System Menu The following diagram represents the structure of the System Menu of the Adtec mediaHUB-HD: www.adtecdigital.com...
  • Page 12 Definitions Network Menu ADTEC API Item Function Options Command user-defined using <left/right Ethernet IP IP address of unit on your network arrow> and <select> buttons *.sysd IPA 0 Address default is 192.168.10.48 user-defined using <left/right Ethernet Mask Defines the unit relative to the rest of your network arrow>...
  • Page 13 IP address of the server this unit is attempting to user-defined using <left/right Host IP Address *.sysd HIP mirror or report to. arrow> and <select> buttons user-defined using <left/right arrow> and <select> buttons Client Name, unit-level security for FTP connectivity Note: Adtec recommends this NOT *.sysd CPW Password...
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  • Page 15 Decoder Menu The following diagram represents the structure of the Decoder Menu of the Adtec mediaHubHD 422: www.adtecdigital.com...
  • Page 16 1080P50 1080I60 * The mediaHub-HD 422's Decoder module only supports this display target for HDMI output. It does not actually decode 1080P60, but will scale and/or de-interlace its decoded video to produce 1080P60 for output on HDMI. Note on VESA Resolutions: Rev. A Units support most VESA resolutions.
  • Page 17 Encoder-Video Menu The following diagram represents the structure of the Video Encoder Menu of the Adtec mediaHUB HD 422: www.adtecdigital.com...
  • Page 18 Definitions Item Function Options Commands . ECMD REC Shows current status and provides encoder Encode - begins encoding - encode Status control. Stop - stops encoding .ECMD STP - stop user-defined using <left/right arrow> and <select> buttons. Video Rate rate at which video signal is being encoded *.ECMD VRT Review Technical Specifications for full details on acceptable ranges.
  • Page 19 Encoder- Audio Menu The following diagram represents the structure of the Audio Encoder Menu of the Adtec mediaHubHD 422: www.adtecdigital.com...
  • Page 20 Definitions Item Function Options API Commands how often signal is sampled in Hz 32000 Sample *.ECMD ASF [audio] only one frequency can be selected; will 44100 Frequency set both Audio 1 and Audio 2 48000 Audio Sync Audio sync offset in milliseconds. The range is -800 to +800 *.ECMD AUS *.ECMD AIN...
  • Page 21 Transmit Menu The following diagram represents the structure of the Transport Menu of the Adtec mediaHub HD 422: www.adtecdigital.com...
  • Page 22 Definitions Item Function Options Commands Transport Mux *.ECMD rate, in bps, that the multiplexed signal is being handed off max = 100000000 Rate *. ECMD ties to Transport Mux Rate; uses non-audio packet space for VAF [x] Video Autofill video 1 = on 0 = off IP Destination...
  • Page 23 Definitions: Adtec API Item Function Options Command user-defined *. ECMD PCR PID identifies packets which contain PCR adaptation field 20-character hexadecimal identifies which program number in the PAT and PMT packets are user-defined Program *. ECMD associated with which video and audio PIDs 20-character Number 0x0001 - 0xFFFF are valid ID assignments...
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  • Page 25 PID Menu The following diagram represents the structure of the PID Menu of the Adtec mediaHUB-HD422: www.adtecdigital.com...
  • Page 26 PCR PID Examples: PRP 1E1 (set the PID to 0x1e1 (481 decimal) PRP , 481 (set the PID to 481 (the comma is an empty placeholder) PRP 1E1 500 (set the PID to 500 (assumes 500 is different from the currently configured PID). PID Ranges Range Function...
  • Page 27 Tables Menu The following diagram represents the structure of the Tables Menu of the Adtec mediaHub HD 422: www.adtecdigital.com...
  • Page 28 Definitions Item Function Options Adtec API Command *.ECMD TON 0 = DVB Tables On designates type of tables to be used MPEG 1 = MPEG ATSC 2= ATSC VBI Source selects the source of Vertical Blanking Interval Composite refer to Help Notes in the (VBS) spacing web control application...
  • Page 29 Profile Menu The following diagram represents the structure of the Profile Menu of the Adtec mediaHub HD 422: www.adtecdigital.com...
  • Page 30 Usage The Profile Menu can be used to store and access up to ten stored configurations (profiles). • The meduiaHub HD 422 can store up to 40 profiles, but only the first ten are accessible through the front panel. The •...
  • Page 31 Encryption Menu The following diagram represents the structure of the Encryption Menu of the Adtec mediaHUB HD 422: www.adtecdigital.com...
  • Page 32 Definitions: Control Function Command *.ECMD Mode select between off, BISS-1, and BISS-E encryption *.ECMD Clear Session Word MODE BISS 1 uses a 12-digit hexadecimal Clear Session Word. Encrypted Session *.ECMD MODE BISS E XXX]uses a 16-digit hexadecimal Encrypted Session Word Word *.ECMD User ID 1...

  • Page 33: Back Panel

    Back Panel Hardware and Communications Connectors www.adtecdigital.com...
  • Page 34 Power Specification AC Power Standard 3 pin computer power plug (Auto range 70-240 VAC Input) Confidence Decode Specification ASI Input 188 Byte MPEG2 Transport input SDI Output HD and SD User-defined resolutions HDMI Output HD and SD User-defined resolutions Analog Video Output (Composite) SD only.
  • Page 35 Connecting to the mediaHUB HD 422 Using Telnet (standard 23 port) To connect to your mediaHUB-HD 422 using a terminal session you will need to set the IP address of the unit. See earlier instructions on setting the IP via the front panel.
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  • Page 37 Introduction to the Control Application A web-based command and control (C&C) software application comes pre-installed on the mediaHub HD 422. Online updates will be available when future versions of this software is released along with product firmware. Firefox: 3.0 (recommended) •...
  • Page 38 The C&C Screen has two operating windows, the Status Bar and the Main Window: Status Window: the Status Window is fixed- it will display regardless of what function is being displayed in the Main Window. The current parameters of the unit's encode, decode, and transport functions are always in view and are updated in real time. Further detail about the Status Window is covered in a later section of this manual.
  • Page 39 The Status Window The Status Window is a fixed component of the Command and Control interface- it constantly displays a summary of the mediaHUB-HD 422's current activity level regardless of which tab is selected in the Main Window. www.adtecdigital.com...
  • Page 40 Notes: The Encode Status indicator includes a time clock showing the elapsed time the unit has been encoding. • If a pre-defined Profile has been specified (see The Profile Tab), then the Profile's name will be displayed ("Current • Profile"). The small buttons in the lower right corner of each Status Display are a quick-jump feature.
  • Page 41 Audio 3 Type *.ECMD AMO 2 Audio 3 Rate *.ECMD AMO 2 Audio 4 Input *.ECMD AIN 3 Audio 4 Mode *.ECMD AMO 3 Audio 4 Type *.ECMD AMO 3 Audio 4 Rate *.ECMD AMO 3 www.adtecdigital.com...
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  • Page 43 The Service Tab The Service Tab is used to set and view configuration options related to transmitting and capture rules. The Service tab is divided into 3 sub-tabs: ASI Transport • IP Transport • Bars, Tones, and ID • ASI Transport Screenshot Image reduced for clarity www.adtecdigital.com...
  • Page 44 Controls Control Function Options Command desired egress rate of the bitstream in bits per second max is 100,000,000 TS Mux *.ECMD As a shortcut, the value can be entered as Mbps and the application will text field Rate convert it on the fly. Example: Entering 19.4 in the text field will submit 19400000.
  • Page 45 NIT Parameters- specify options for the Network Information Table. Control Function Options Command Cable *.ECMD Service Type type of network carrier Satelllite Terrestrial type of modulation being applied Service Type is cable: 16, 32, 64, 128, 256 *.ECMD Modulation see at left Service Type is satellite: QPSK Service Type is terrestrial: QPSK, 16QAM, 64QAM frequency of the signal...
  • Page 46 Other None *.ECMD Frequency Flag 1 or more www.adtecdigital.com...
  • Page 47 IP Transport Screenshot Image reduced for clarity The IP Transport sub-tab has four (4) menus (labelled Destination 1 through 4) to allow for the configuration of the four possible multicast or unicast streams. All four menus feature the same controls. Controls Control Function...
  • Page 48 FEC D Value defines latency involved in burstrecovery text field; 4-20 *.ECMD FEP Note: this IP configuration menu repeats for the other three possible multicast or unicast streams. www.adtecdigital.com...
  • Page 49 Bars, Tones, and ID Screenshot Image reduced for clarity Controls Radio buttons select the type of display desired (see illustrations). Note: A valid video input must be present in order to use Bars, Tones, and ID. At a glance, the "Video Detected" indicator on the Status Panel will alert you to the presence of a valid video input.
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  • Page 51 The Profile Tab The Profile Tab allows you to save specific encoder configurations on your mediaHub HD 422, enabling you to quickly and easily reconfigure the device for different transport and playout requirements. The mediaHub HD 422 has 40 available memory "slots"...
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  • Page 53 The Video Tab The Video Tab is used to precisely control the parameters of the video being decoded by the mediaHub HD 422. The controls on this tab are divided into 4 groups: General Settings, Standard Definition Only, AVC Only, and Confidence Decode. General Settings Image reduced for clarity Controls:...
  • Page 54 provides a re-clocked SDI loop for the Off = 0 SDI Passthru *.ECMD SPT encoder On = 1 if enabled, the decoder will calculate and use the max video bitrate for the current TransMuxRate setting On = 1 *.ECMD VAF Rate- Auto Fill when disabled, the decoder uses the Off = 0...
  • Page 55 4 x 3 = 0 16 x 9 = 1 Aspect Ratio ratio of horizontal to vertical lines in the encoded image *.ECMD ARA WSS (PAL) = Off = 0 reduces noise in the signal's temporal domain Temporal Weak = 1 *.ECMD OFT Note: composite input only;...
  • Page 56 Group 1: 1/2 designate which audio track is routed to the embedder by selecting the Embedded SDI Group 1: 3/4 embedded track. The decoder only supports one selected track at a *.DCMD SMX Pair Group 2: 5/6 time. Group 2: 7/8 Assigned Track identifies the stereo pair embedded into the embedded SDI pair *.DCMD SMX...
  • Page 57 The VBI Tab The controls on this tab govern video signal components that can be inserted into the Vertical Blanking Interval. The tab's controls are grouped into two sub-tabs: Captions and Teletext. Captions Screenshot: Image reduced for clarity Controls Control Function Options API Command...
  • Page 58 Image reduced for clarity Controls Control Function Options API Command Off = 0 *.ECMD VBP VBI Mode switches feature off or selects type of service Eurotext = 1 [mode] designates first line for Teletext content within the Vertical VBI Start Line 6 - 22 *.ECMD VBP Blanking Interval...
  • Page 59 The Audio Tab The Audio Tab allows precision control over the Audio performance of the mediaHub HD 422. For ease of reference, the Audio Tab's controls are divided among several sub-tabs. Each will be described in detail. Audio Global Tab The Audio Global tab features two settings which apply across the selected audio groups.
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  • Page 61 Audio Inputs 1 and 2 Audio Inputs 1 and 2 can encode Dolby Audio and can encode in passthru mode. The control options are the same for both inputs. Screenshot: Image reduced for clarity. Controls: Control Function Options API Command sets the unit to either use the on-board DSP's to perform audio compression (encode), or accept compressed Dolby-type Encode = 0...
  • Page 62 Audio Sync audio sync offset in milliseconds (ms) with an available range of text field; *.ECMD AUS (ms) -800 ms to +800 ms user-defined volume in decibels (dB); range of -18dB to +8dB in 1dB increments range of -18 Audio Level *.ECMD ALV .
  • Page 63 4 = Music Light 5 = Speech 6 = Rsvd 7 = Rsvd 0 = None (custom) 1 = Film Std 2 = Film Light RF Mode 3 = Music Std *.ECMD DPA designates preset compression for for RF-mode decoding Compression 4 = Music Light [value]...
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  • Page 65 Audio Inputs 3 and 4 Audio Inputs 3 and 4 are not capable of PASSTHRU MODE; they can only encode MPEG1 Layer 2. They also cannot encode Dolby Audio. The control options are the same for both inputs. Screenshot: Image reduced for clarity. Controls: Control Function...
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  • Page 67 The PID Tab The PID tab is used to specify PID settings for programming. Image reduced for clarity Controls Control Function Options API Command Adtec Tandberg ATSC PGM 3 ATSC PGM 4 this control allows for preset PID values to be automatically loaded. ATSC PGM 5 Once a selection is made from the drop-down menu, all values will none-GUI only...
  • Page 68 Splice PIDs if selected, this control allows for the definition and/or modification of Off = 0 *.ECMD RIT Active the Splice PID On = 1 [selection] user-defined Splice PIDs identifies splice packets *.ECMD SPI hexadecimal Automated Measurement of Lineups; used in capturing viewership user-defined AMOL PIDs *.ECMD APQ...
  • Page 69 The CAS Tab The CAS Tab is used to control Conditional Access Services on the mediaHub HD 422. Image reduced for clarity Controls: Control Function Options API Command Off = 0 BISS-1 = 1 sets the unit to accept BISS-1 or BISS-E encryption keys, or switches BISS E User *.ECMD ECR Mode...
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  • Page 71 The Studio Tab The Studio Tab will allow you to setup your mediaHUB-HD 422 for straight forward studio encoding, record from non-linear editors, crash recording or simple transmission control. The Studio Tab has two sub-tabs, Control and Inventory. The Studio Control Tab is organized into a "wizard" format to provide control flexibility depending on the Controller Interface the mediaHUB-HD 422 is running.
  • Page 72 Image reduced for clarity When "Capture to Drive" is selected, Step 3 will contain fields to define the segment length, segment duration, and file name. Step 4 consists of virtual controls for Record (encode) and Stop. RS422 When the Controller Interface is set to "RS422" and <Next> is clicked, the Studio Control Tab screen will shift to this configuration: www.adtecdigital.com...
  • Page 73 Action On the Studio Tab, set the Controller Interface to 'RS422' and click <Apply>. Verify that your VTR is set to "Remote"; this will be reflected on the Studio Tab of the mediaHUB-HD 422 (see image below). Set Pre-Roll as desired and click <Apply>.
  • Page 74 File name need not match original filename text field; user must provide File Name or spotname on source video tape fiel will store on the mediaHUB-HD 422 at *.ECMD CFN if no extension specified, .mpg extension media/hd0/media will be added...
  • Page 75 <Review> button. the file will play on the monitor configured for Confidence Decode. RS422 Device To export content from a non-linear editor to the mediaHUB-HD 422 for encoding, you will need to be connected to the control computer via a special RS422 Device cable. See additional information on this cable.
  • Page 76 Encoding Times As a rule of thumb, encoded content should always contain the correct number of encoded video frames. Be aware that measured time may show a slightly different value due to the cumulative effects of video and audio multiplexing. www.adtecdigital.com...
  • Page 77 The System Tab The System Tab is used to define and control the mediaHub HD 422's relationship to the rest of your network and to other devices. The System Tab screen also includes a System Uptime counter in the screen's upper-right corner, showing the elapsed time between power-up cycles.
  • Page 78 check box, allows unit to extract it's own IP address if switched selected = 1 *.SYSD eth0 DHCP on, from a DHCP server not selected = 0 DHC eth0 text field; valid IP address in eth0 Ethernet *.SYSD IPA IP address of the unit's Control-Ethernet port 10/100mbps form Address xxx.xxx.xxx.xxx...
  • Page 79 The Upgrade Tab The Upgrade Tab is used to easily select and upgrade your unit's firmware from the available versions, and to unlock optional features available. The are two sub-tabs on this screen- Firmware and Features. Image reduced for clarity Procedure Installed Versions are firmware versions that have been installed on your device and can be selected as the current operating version.
  • Page 80 Clicking the "Input Key" button will pop-up a screen so that the key sequence can be entered. Note that the feature "PdMHD422" will ship unlocked. Contact your Adtec sales representative regarding the purchase of feature keys. Check www.adtecinc.com for news regarding new features that may be available for the mediaHub HD422.
  • Page 81 The Help Tab The Help Tab provides access to Technical Support's contact information. Screenshot (reduced for clarity) : www.adtecdigital.com...
  • Page 82 Encoding Frequently Asked Questions Scenario Information What is the max mux rate with 100,000,000 audio? Video Auto Fill is an Adtec feature to reduce the amount of null packets in the Transport stream by automatically setting the Video Bitrate. The bitrate is automatically configured by the mediaHUB-HD based upon the Transport Mux Rate and the Audio rates (Transport Mux What is Video Auto Fill (VAF)? Rate - Audio Rate - minimal fill = Video Rate).
  • Page 83 Studio Encoding via Adtec API Commands To capture a file with a specific duration, you will need set the following API(s): Capture File Name: Enter an absolute file name. • Example: * CFN /media/hd0/media/TESTFILE.mpg ♦ • Trans Mux Rate: For the file to capture to drive, the TMR must be lower than 40Mbps Example: * TMR 39000000 ♦...
  • Page 84 Manual Upgrade Procedures You can upgrade your Adtec device's firmware via built-in web-based application, described in the Upgrade Tab section, or via a Telnet/FTP session, described in this article. To update your device's firmware via a Telnet session, perform the following: Step Action Obtain the desired firmware version file from adtecftp.com...
  • Page 85 EIA-608/708 Captions The new line of Adtec encoders (mediaHub HD Pro, mediaHub HD 422, and edje 5100) supports EIA-608 Captions in standard definition mode and EIA-708 Captions in high definition mode. The 708 captions must be carried as SMPTE-334M payloads with a DID of 0x61 and an SDID of 0x01. The 608 to 708 conversion is especially useful in ATSC Terrestrial Applications.
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  • Page 87 Contacting Customer Support Adtec Digital's Support Services Technical Support and Customer Service includes troubleshooting product/system functional operations concerning Adtec equipment, embedded systems and single device issues; Service Order generation, processing and tracking; Warranty claim processing; and on-site system evaluation and maintenance. Technical Support plans do not include customer training programs.
  • Page 88 more than 4 hours after they are received (within the designated hours of operation). Telephone inquiries received by 4:00 PM (CST) on weekdays- excluding Adtec holidays- are guaranteed a same-day telephone response. However, inquiry responses may be made after hours until 8:00 PM (CST). Email and fax inquiries are limited in scope to normal business hours, excluding holidays.
  • Page 89 Technical Specifications Standard Definition Video Frame Rates • NTSC 29.97i • PAL 25i Standard Definition Video Resolutions • 720x480 640x480 • 352x480 (NTSC) • • 720x576 (PAL) (Down-scaled video resolutions only supported when encoding MPEG-2) High Definition Video Frame Rates •...
  • Page 90 SD/HD Signal Generation SMPTE bars (requires valid HDvideo source for clock on 7712 IO sled) • • DVB Information ♦ Service Name ◊ ◊ Service Provider Network Information (Satellite, Terrestrial, Cable) ◊ ASTC Information ♦ Name ◊ Long Name ◊ Audio Tones •...
  • Page 91 Configure up to four (4) concurrent TSOIP routes ♦ Unicast and Multicast ◊ UDP and RTP ◊ SMPTE 2022 (COP3 FEC) per route ◊ • MPEG 2 Transport capture to local storage or NAS NAS optional, local storage limited to maximum transport rate of 40 Mbs ♦...
  • Page 92 MGT (TVCT) - Terrestrial or (CVCT) - Cable ♦ ♦ ♦ EIT 0-3 ♦ For dynamic A65C PSIP use Adtec offers two options. • 1) Use the DTA-3050/3051 (SMPTE 310) multiplexer and DTVGuide web hosted EIT SI Server. ♦ ♦ 2) Configure the mediaHUB-HD422 to directly connect to the DTVGuide web hosted EIT server (available in Q4 2009).
  • Page 93 Specifications Disclaimer: Specifications subject to change without written notice. Copyright 2009 Adtec Digital. mediaHUB-HD 422 is a trademark of Adtec Digital. Other product and company names may be trademarks or registered trademarks of their respective companies. This information may not, in whole or in part, be copied, photocopied, reproduced and translated, or reduced to any electronic medium or machine-readable form without prior consent in writing from Adtec Digital.
  • Page 94 Frame Ground This cable will work for the Apple Workstation running Final Cut using the Blackmagic PCI capture card connected to our mediaHUB-HD 422. Usage To encode a project, use the "Print to Video" option from the "File" pulldown menu in Final Cut.
  • Page 95 Encoder Glossary Term Definition AC-3 Audio compression standard adopted by ATSC and owned by Dolby. Analog to Digital Converter ASCII American Standard Code for information Interchange Asynchronous Serial Interface. A standard DVB interface for a transport stream Asynchronous Transfer Mode ATSC Advanced Television Systems Committee.
  • Page 96 DVB ASI Asynchronous Serial Interface. This is a standard DVB interface for a transport stream Digital Video Broadcasting-Cable. The DVB standard for broadcasting digital TV signals by cable. The RF DVB-C spectrum in digital cable TV networks has a frequency range of (approx) 46MHz to 850MHz Digital Video Broadcasting-Satellite.
  • Page 97 Integrated Receiver Decoder. This is a receiver with an MPEG-2 decoder, also known as a set-top box. International Standardization Organization International Telecommunications Union (UTI) Low Voltage Differantial Signal. An electrical specification used by some manufactures, usually on a parallel LVDS interface.
  • Page 98 Program Specific Information. PSI refers to MPEG-2 table data necessary for the demultiplexing of a transport stream and the regeneration of programs within the stream, PSI tables include PAT, CAT, PMT and NIT. PSIP - Program and System Information Protocol. The ATSC protocol for transmission of data tables in the transport stream.
  • Page 99 Time Offset Table. This optional DVB SI table supplies the UTC time and date and shows the difference between UTC time and the local time for various geographical regions. The PID for this table is 0x0014. Transponder - Trans(mitter) and (res)ponder. This refers to the equipment inside a satellite that receives and re-sends information.
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  • Page 101 GNU GENERAL PUBLIC LICENSE Version 2, June 1991 Copyright (C) 1989, 1991 Free Software Foundation, Inc. 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA Everyone is permitted to copy and distribute verbatim copies of this license document, but changing it is not allowed. Preamble The licenses for most software are designed to take away your freedom to share and change it.
  • Page 102 a) You must cause the modified files to carry prominent notices stating that you changed the files and the date of any change. b) You must cause any work that you distribute or publish, that in whole or in part contains or is derived from the Program or any part thereof, to be licensed as a whole at no charge to all third parties under the terms of this License.
  • Page 103 your obligations under this License and any other pertinent obligations, then as a consequence you may not distribute the Program at all. For example, if a patent license would not permit royalty-free redistribution of the Program by all those who receive copies directly or indirectly through you, then the only way you could satisfy both it and this License would be to refrain entirely from distribution of the Program.
  • Page 104 This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA Also add information on how to contact you by electronic and paper mail.