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The hexadecimal format displays an ESN as eight digits and also does not separately display 14 bit manufacturer codes which occupy 3.5 hexadecimal digits. As ESNs have essentially run out, a new serial number format, MEID, was created by 3GPP2 and was first implemented by Verizon in 2006. MEIDs are 56 bits long, the same length as the IMEI and ...
VSB modulation, on the other hand, is a serial form of modulation that transmits one independent signal at a symbol rate that is near, but less than, twice the bandwidth of 6 MHz. The two can be related by the fact that a VSB signal can be shown to be a form of offset QAM modulation where one of the two independent signals is delayed by 1/2 a ...
Global Trade Item Number (GTIN), including RCN-8, GTIN-8, GTIN-12, GTIN-13, ISBN, ISMN, ISSN for a class of products, goods or services; GTIN + Batch/Lot (LGTIN) Serialised Global Trade Item Number (SGTIN) for an individual product with a serial number; Serial Shipping Container Code (SSCC) for logistics assets
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The actual algorithms used to encode and decode the television guide values from and to their time representations were published in 1992, but only for six-digit codes or less. [1] [2] Source code for seven and eight digit codes was written in C and Perl and posted anonymously in 2003. [3]
An IRD is an integrated receiver-decoder, in other words a complete digital satellite TV or radio receiver; "decoder" in this context refers not to decryption but to the decompression and conversion of MPEG video into displayable format.
Early disk drives used very simple encoding schemes, such as RLL (0,1) FM code, followed by RLL (1,3) MFM code which were widely used in hard disk drives until the mid-1980s and are still used in digital optical discs such as CD, DVD, MD, Hi-MD and Blu-ray using EFM and EFMPLus codes. [11]