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SAE J1939. Society of Automotive Engineers standard SAE J1939 is the vehicle bus recommended practice used for communication and diagnostics among vehicle components. Originating in the car and heavy-duty truck industry in the United States, it is now widely used in other parts of the world. SAE J1939 is used in the commercial vehicle area for ...
Free Possible, but never implemented ALS: ISO/IEC MPEG Audio Committee 2005 ISO/IEC 14496-3 Free MPEG-4 ALS: FFmpeg (decoding only) - Yes No Yes Yes ? AMBE: Digital Voice Systems ? ? Non-free ? mbelib Low bandwidth HF/VHF digital radio, VoIP trunking No No No Yes ? AMR: 3GPP: 1999-06-22 ETSI TS 126 071 V9.0.0 (2009) Non-free [5] [6] QuickTime ...
Traffic message channel. Traffic Message Channel (TMC) is a technology for delivering traffic and travel information to motor vehicle drivers. It is digitally coded using the ALERT C or TPEG protocol into Radio Data System (RDS) [1] carried via conventional FM radio broadcasts. It can also be transmitted on Digital Audio Broadcasting or ...
OBD-II PIDs (On-board diagnostics Parameter IDs) are codes used to request data from a vehicle, used as a diagnostic tool.. SAE standard J1979 defines many OBD-II PIDs. All on-road vehicles and trucks sold in North America are required to support a subset of these codes, primarily for state mandated emissions inspections.
Evolution from MPEG-2 AAC-LC (Low Complexity) Profile and MPEG-4 AAC-LC Object Type to HE-AAC v2 Profile. [2] High-Efficiency Advanced Audio Coding (HE-AAC) is an audio coding format for lossy data compression of digital audio defined as an MPEG-4 Audio profile in ISO / IEC 14496–3. It is an extension of Low Complexity AAC (AAC-LC) optimized ...
The unit also features a removable button facepanel as an additional anti-theft measure. Many car audio systems (car radios) have a so-called 'radio code' number which needs to be entered after a power disconnection. This was introduced as a measure to deter theft of these devices. If the code is entered correctly, the radio is activated for use.
Information technology – 7-bit code: Active: DIN 66004-1: Information processing – Coding on data media – Part 1: Representation of 7-bit code character sets on punched tape 25: Active: DIN 66004-2: Information processing – Coding on data media – Part 2: Representation of 7-bit coded and 8-bit coded character sets on punched cards ...
WSJT (amateur radio software) WSJT-X is a computer program used for weak- signal radio communication between amateur radio operators. The program was initially written by Joe Taylor, K1JT, but is now open source and is developed by a small team.