• Thumbnail for Delta-sigma modulation
    Delta-sigma (ΔΣ; or sigma-delta, ΣΔ) modulation is an oversampling method for encoding signals into low bit depth digital signals at a very high sample-frequency...
    59 KB (6,863 words) - 21:03, 21 April 2025
  • Thumbnail for Delta modulation
    Derived forms of delta modulation are continuously variable slope delta modulation, delta-sigma modulation, and differential modulation. Differential pulse-code...
    18 KB (2,210 words) - 15:06, 17 March 2025
  • Thumbnail for Pulse-width modulation
    delta modulation Delta-sigma modulation H-bridge Pulse-amplitude modulation Pulse-code modulation Pulse-density modulation Pulse-frequency modulation...
    29 KB (4,017 words) - 13:17, 17 May 2025
  • is encoded from an analog signal through the process of a 1-bit delta-sigma modulation. This process uses a one-bit quantizer that produces either a 1...
    10 KB (1,449 words) - 20:32, 1 April 2025
  • University and later absorbed by Alpha Omicron Pi Delta-sigma modulation, a pulse density modulation scheme used in analog-to-digital and digital-to-analog...
    413 bytes (90 words) - 03:06, 10 May 2023
  • modulation Delta modulation, a special case of DPCM where the differences eQ[n] are represented with 1 bit as ±Δ Pulse modulation methods Delta-sigma...
    3 KB (357 words) - 23:53, 5 December 2024
  • Thumbnail for Direct Stream Digital
    signals for the Super Audio CD (SACD). DSD uses delta-sigma modulation, a form of pulse-density modulation encoding, a technique to represent audio signals...
    40 KB (4,186 words) - 00:04, 1 May 2025
  • high-fidelity encoding of low-amplitude signals. Delta-Sigma modulation is a more advanced variant of Delta modulation which allows for high-fidelity encodings...
    12 KB (1,453 words) - 04:58, 31 July 2024
  • control) Pulse-density modulation – A generalized form of delta-sigma modulation. Pulse-width modulation – Another modulation scheme that produces continuous...
    52 KB (8,248 words) - 22:46, 5 November 2024
  • operations (although first documented around the same time) and the delta-sigma modulation. In pseudocode, the algorithm will be: function KahanSum(input)...
    27 KB (3,525 words) - 00:04, 21 April 2025
  • methods Pulse-code modulation (PCM) Differential PCM (DPCM) Adaptive DPCM (ADPCM) Delta modulation (DM or Δ-modulation) Delta-sigma modulation (ΣΔ) Continuously...
    24 KB (3,051 words) - 14:49, 25 March 2025
  • produce an accurate sum of all the individual charge contributors. Delta-sigma modulation can also measure capacitance instead of voltage. The primary source...
    22 KB (2,549 words) - 15:38, 8 March 2025
  • sidelobe is attenuated ~13·N dB. SincN filters are commonly used with delta-sigma modulation ADCs just prior to downsampling to the desired output data rate...
    13 KB (1,609 words) - 18:18, 12 January 2025
  • slope delta modulation (CVSD or CVSDM) is a voice coding method. It is a delta modulation with variable step size (i.e., special case of adaptive delta modulation)...
    5 KB (652 words) - 01:50, 10 January 2025
  • Thumbnail for Audio bit depth
    shaping. Noise shaping is commonly implemented with delta-sigma modulation. Using delta-sigma modulation, Direct Stream Digital achieves a theoretical 120 dB...
    36 KB (3,619 words) - 17:48, 13 January 2025
  • Thumbnail for Class-D amplifier
    (more commonly called self-oscillating modulation.) or discrete-time forms of modulation such as delta-sigma modulation. A simple means of creating the PWM...
    15 KB (2,080 words) - 05:53, 13 February 2025
  • functions. Also, a small flash ADC circuit may be present inside a delta-sigma modulation loop. Flash ADCs are also used in NAND flash memory, where up to...
    6 KB (851 words) - 20:59, 26 April 2025
  • Thumbnail for Mixed-signal integrated circuit
    mixed-signal integrated circuits include data converters using delta-sigma modulation, analog-to-digital converters and digital-to-analog converters using...
    25 KB (2,756 words) - 13:23, 27 February 2025
  • represents the signal by pulse-width modulation, pulse-density modulation, delta-sigma modulation or a related modulation technique before being applied to...
    34 KB (5,003 words) - 02:16, 28 April 2025
  • positive to negative full-scale. Modern converter designs based on sigma-delta modulation may become unstable in overload conditions. It is usually a design...
    53 KB (6,465 words) - 16:28, 16 March 2025
  • control) Pulse-density modulation – A generalized form of delta-sigma modulation. Pulse-width modulation – Another modulation scheme that produces continuous...
    5 KB (485 words) - 17:29, 20 March 2025
  • Thumbnail for Digital-to-analog converter
    such as those employing delta-sigma modulation, use a pulse density conversion technique with oversampling. Audio delta-sigma DACs are sold with 384 kHz...
    21 KB (2,584 words) - 23:06, 5 April 2025
  • Thumbnail for Sampling (signal processing)
    design requirements for ADCs and DACs, but with modern oversampling delta-sigma-converters this advantage is less important. The Audio Engineering Society...
    31 KB (3,131 words) - 18:58, 8 May 2025
  • Thumbnail for PCM adaptor
    rather delta-sigma modulation. This resulted in a higher quality digital recording with more dynamic range than what standard PCM modulation could offer...
    12 KB (1,931 words) - 04:31, 4 September 2024
  • have been claimed to be inferior to using modern high-resolution delta-sigma modulation analog-to-digital converters and performing calculations digitally...
    17 KB (2,429 words) - 16:59, 18 February 2025
  • control) Pulse-density modulation – A generalized form of delta-sigma modulation Pulse-width modulation – Another modulation scheme that produces continuous...
    5 KB (601 words) - 23:38, 12 January 2024
  • delta-sigma modulation, called "Companded Predictive Delta Modulation," or "CPDM" (both trademarked). In a traditional, single-integrated delta-sigma...
    9 KB (1,246 words) - 02:03, 26 April 2024
  • Thumbnail for Comparator
    converters (such as flash, pipeline, successive approximation, delta-sigma modulation, folding, interpolating, dual-slope and others) in combination with...
    30 KB (3,446 words) - 07:57, 24 December 2024
  • Thumbnail for Digital Audio Tape
    which, similar to later Super Audio CDs, used a high sample-rate delta-sigma modulation rather than PCM; Decca's 1970s PCM system, which used a videotape...
    24 KB (2,975 words) - 05:58, 29 April 2025
  • Thumbnail for Analog-to-digital converter
    high resolution, and can be implemented efficiently. A delta-sigma ADC (also known as a sigma-delta ADC) is based on a negative feedback loop with an analog...
    48 KB (5,976 words) - 20:33, 12 February 2025