The Display Serial Interface (DSI) is a specification by the Mobile Industry Processor Interface (MIPI) Alliance aimed at reducing the cost of display controllers in a mobile device. It is commonly targeted at LCD and similar display technologies. It defines a serial bus and a communication protocol between the host, the source of the image data, and the device which is the destination.
History[edit]
Please refer to the Amazon.com Return Policy and Amazon.com Refund Policy or contact DSi Mobile to get information about any additional policies that may apply. Contact this seller Phone: 1-909-460-6404. To initiate a return, visit Amazon's Online Return Center to request a return authorization from the seller. Launch Mobile Client on your device; Press or select the Menu button on your device and select Manage communications; Enter the following Communication Settings: Note: The device name should be the device's phone number or a unique name of your choosing. Proceed to Section 4 - Verification Back to Table of Contents.
Design[edit]
At the physical layer, DSI specifies a high-speed[quantify]differential signalingpoint-to-point serial bus. This bus includes one high speed clock lane and one or more data lanes. Each lane is carried on two wires (due to differential signaling). All lanes travel from the DSI host to the DSI device, except for the first data lane (lane 0), which is capable of a bus turnaround (BTA) operation that allows it to reverse transmission direction. When more than one lane is used, they are used in parallel to transmit data, with each sequential bit in the stream traveling on the next lane. That is, if 4 lanes are being used, 4 bits are transmitted simultaneously, one on each lane. The link operates in either low power (LP) mode or high speed (HS) mode. In low power mode, the high speed clock is disabled and signal clocking information is embedded in the data. In this mode, the data rate is insufficient to drive a display, but is usable for sending configuration information and commands. High speed mode enables the high speed clock (at frequencies from tens of megahertz to over one gigahertz) that acts as the bit clock for the data lanes. Clock speeds vary by the requirements of the display. High speed mode is still designed to reduce power usage due to its low voltage signaling and parallel transfer ability.
The communication protocol describes two sets of instructions. The Display Command Set (DCS) is a set of common commands for controlling the display device, and their format is specified by the DSI standard. It defines registers that can be addressed and what their operation is. It includes basic commands such as sleep, enable, and invert display. The Manufacturer Command Set (MCS) is a device-specific command space whose definition is up to the device manufacturer. It often includes commands required to program non-volatile memory, set specific device registers (such as gamma correction), or perform other actions not described in the DSI standard. The packet format of both sets is specified by the DSI standard. There are Short and Long Packets, Short Packet is 4 bytes long; Long Packet can be of any length up to 216 bytes. Packets are composed of a DataID, Word count, Error Correction Code (ECC), Payload and Checksum (CRC). Commands that require reading data back from the device trigger a BTA event, which allows the device to reply with the requested data. A device cannot initiate a transfer; it can only reply to host requests.
Image data on the bus is interleaved with signals for horizontal and vertical blanking intervals (porches). The data is drawn to the display in real time and not stored by the device. This allows the manufacture of simpler display devices without frame buffer memory. However, it also means that the device must be continuously refreshed (at a rate such as 30 or 60 frames per second) or it will lose the image. Image data is only sent in HS mode. When in HS mode, commands are transmitted during the vertical blanking interval.
See also[edit]
- KMS driver – Device driver for display controllers in the Linux Kernel
- Low-voltage differential signaling – Serial bus
- eDP – Embedded Displayport
- HDMI – High-Definition Multimedia Interface
References[edit]
- Display Interface Specifications - MIPI Alliance
With DSI - ITI inmate phone system, the phone system can be controled from anywhere, at any time. With internet access, one can listen to recordings, monitor live phone conversations, change configurations, suspend specific calls and actual phone units or handle almost anything else that can be done from the desk.
Call Monitoring and Recording
According to the FBI, the trend in the United States is that less than four percent of inmate telephone calls and/or call recordings are monitored or listened to by criminal justice agencies. A small facility of one hundred beds could have more 25 hours of recorded calls every single day. It requires lots of manpower to to listen to this many hours of recordings.
DSI - ITI inmate phone system monitor inmate calls from any device that has a sound card and speakers. Choosing a specific phone number, inmate, phone or group of phones and pressing a simple key allows recording the call while it is being monitored. Call recordings are all digital and available at any time. Search makes it easy to find, play, and copy recordings. Recordings can be stored on a variety of media devices such as CD, DVD and network storage devices. The recordings can be exported and emailed to investigators with just a the touch of a button.
Other Available Features:
- The system can be integrated with the jail management software, which means that you will never have to book or release inmates twice. Debit calls, commissary orders and inmate sick calls are communicated between the two systems automatically.
- Call Alerts – Choose and schedule your method of notification for calls from suspected inmates.
- Customize Profiles – Configure your phones to support commissary, voicemail, call recording, telephone identification numbers, medical sick calls and more!
- 3-Way Call Detection – Identify and report three-way calling attempts using our patented technology.
- Allowed Numbers – Use our technology to scan inmate allowed numbers into the system. Let inmates manage their own allowed number lists.
- Commissary by Phone – Let inmates enter their own commissary orders while still supporting your facility’s customizable restrictions. Inmate balances are updated immediately, all while storing transactions, tax information, and updating inventory levels.
- Debit Calls – Allow inmates to use their commissary funds to make phone calls. Use our Offender Management System or Accounting System to fully integrate so that account balances are updated in real-time.
- Language Support – Allow your inmates to converse with family and friends in their native languages. Configure the automated phone system to record and configure prompts for other services available by phone.
Friends and Family Payment Options
DSI - ITI offer a variety of convenient payment options such as credit card, money order, check, internet payments, MoneyGram and Western Union payments. Thesee facilities are offered through their web site OffenderConnect.com
Call IQ
Normally the calls are arbitrarily monitored , random call recordings are listened to. The Call IQ system can simplify these tasks
How Does Call IQ Work?
Call IQ automatically transcribes calls using state-of-the-art speech recognition technology, capable of language models with a vocabulary of over 65,000 street and slang terms. This system is designed specifically for the correctional industry using the facility’s actual inmate telephone calls in order to “train” the system to transcribe calls appropriately. Once calls are transcribed into text, corrections staff and investigators will use the advanced keyword search technology to extract phone calls from the system. The Call IQ doesn’t just locate the exact word that you typed in…it finds all slang, street terms and associated phrases for that word as well in one single push of the button. For example with feeling that an inmate’s family member is smuggling cocaine into the facility? Punch in “cocaine” and find every instance when a called party has spoken “blow”, “coke”, “Big C”, “Charlie” and “snow” as well.
Other Benefits of the System
- The software categorizes calls and ranks them in order of importance. It highlights those calls that fall into key categories requiring immediate attention by your corrections officials, giving an overview of all the activity at a glance and reducing research time significantly.
- Facility, investigators and local gang task forces can add custom phrases that are not in the standard language model at their convenience, assuring that the system is up to date and specific to your local area and dialogue.
- Database agents can be created that will alert you via email if a person utters a specific phrase or mentions a certain topic during a call. The Call IQ system emails a summary of the call as well as the transcript, getting the information to the appropriate people in a quick and efficient manner.
- The Call IQ system allows you to view the exact sentences within the transcribed recorded calls where certain phrases were uttered without having to listen to the entire call recording. Based on the information, you can then decide to play the actual recording for better context.
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