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  2. Pulse-code modulation - Wikipedia

    en.wikipedia.org/wiki/Pulse-code_modulation

    The default signal compression encoding on a DS0 is either μ-law (mu-law) PCM (North America and Japan) or A-law PCM (Europe and most of the rest of the world). These are logarithmic compression systems where a 12- or 13-bit linear PCM sample number is mapped into an 8-bit value.

  3. PCM30 - Wikipedia

    en.wikipedia.org/wiki/PCM30

    PCM30 describes an application of pulse-code modulation (PCM) in which 30 telephony analog signals are binary coded into a digital signal stream.. The term is used today mostly as a synonym for the encoding of 30 channels each with a signalling rate of 64-kbit/s.

  4. Audio bit depth - Wikipedia

    en.wikipedia.org/wiki/Audio_bit_depth

    12- and 16-bit uncompressed PCM ITU-T Recommendation G.711 [41] Compression standard for telephony: 8-bit PCM with companding [C] NICAM-1, NICAM-2 and NICAM-3 [42] Compression standards for broadcasting: 10-, 11- and 10-bit PCM respectively, with companding [D] Ardour: DAW by Paul Davis and the Ardour Community 32-bit floating point [43] Pro ...

  5. A-law algorithm - Wikipedia

    en.wikipedia.org/wiki/A-law_algorithm

    An A-law algorithm is a standard companding algorithm, used in European 8-bit PCM digital communications systems to optimize, i.e. modify, the dynamic range of an analog signal for digitizing. It is one of the two companding algorithms in the G.711 standard from ITU-T , the other being the similar μ-law , used in North America and Japan.

  6. Penalty Charge Notice - Wikipedia

    en.wikipedia.org/?title=Penalty_Charge_Notice&...

    Retrieved from "https://en.wikipedia.org/w/index.php?title=Penalty_Charge_Notice&oldid=453985320"

  7. Pulse-density modulation - Wikipedia

    en.wikipedia.org/wiki/Pulse-density_modulation

    Pulse-density modulation, or PDM, is a form of modulation used to represent an analog signal with a binary signal.In a PDM signal, specific amplitude values are not encoded into codewords of pulses of different weight as they would be in pulse-code modulation (PCM); rather, the relative density of the pulses corresponds to the analog signal's amplitude.

  8. Adaptive differential pulse-code modulation - Wikipedia

    en.wikipedia.org/wiki/Adaptive_differential...

    The default signal compression encoding on a DS0 is either μ-law (mu-law) PCM (North America and Japan) or A-law PCM (Europe and most of the rest of the world). These are logarithmic compression systems where a 13- or 14-bit linear PCM sample number is mapped into an 8-bit value. This system is described by international standard G.711. Where ...

  9. Penalty interest - Wikipedia

    en.wikipedia.org/wiki/Penalty_interest

    Penalty interest, also called penalty APR (penalty annual percentage rate), [1] default interest, interest for/on late payment, statutory interest for/on late payment, [2] [3] interest on arrears, or penal interest, in money lending and in sales contracts is punitive interest charged by a lender to a borrower if installments are not paid according to the loan terms.