Pulse-code modulation (PCM) is a method used to digitally represent analog signals. It is the standard form of digital audio in computers, compact discs...
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Differential pulse-code modulation (DPCM) is a signal encoder that uses the baseline of pulse-code modulation (PCM) but adds some functionalities based...
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Adaptive differential pulse-code modulation (ADPCM) is a variant of differential pulse-code modulation (DPCM) that varies the size of the quantization...
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of differential pulse-code modulation (DPCM) where the difference between successive samples is encoded into n-bit data streams. In delta modulation, the...
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Pulse-position modulation (PPM) is a form of signal modulation in which M message bits are encoded by transmitting a single pulse in one of 2 M {\displaystyle...
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popular early variant of pulse-code modulation ("PCM") was a compressed version called adaptive differential pulse-code modulation ("ADPCM"). Sound module...
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Pulse-position modulation (PPM) Analog-over-digital methods Pulse-code modulation (PCM) Differential PCM (DPCM) Adaptive DPCM (ADPCM) Delta modulation (DM or...
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Digital Audio (CDDA). In 1950, Bell Labs filed the patent on differential pulse-code modulation (DPCM). Adaptive DPCM (ADPCM) was introduced by P. Cummiskey...
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Manchester code and differential Manchester Mark and space MLT-3 encoding Modified AMI codes: B8ZS, B6ZS, B3ZS, HDB3 Modified frequency modulation, Miller...
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Vocoder (redirect from Voice coder)
Terminal FNBDT, NSA's 21st century secure telephone. Adaptive Differential Pulse Code Modulation (ADPCM), former ITU-T G.721, 32 kbit/s used in STE secure...
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III), for example. Sub-band coding is used in the G.722 codec which uses sub-band adaptive differential pulse code modulation (SB-ADPCM) within a bit rate...
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providing voice quality covering 300 Hz to 3400 Hz using Adaptive Differential Pulse Code Modulation (ADPCM) to 24 and 40 kbit/s for digital circuit multiplication...
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look-ahead delay G.726 is a waveform speech coder which uses Adaptive Differential Pulse Code Modulation (ADPCM) PSQM testing under ideal conditions yields...
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Computer Engineering. He is known for co-developing adaptive differential pulse-code modulation (ADPCM) with P. Cummiskey and Nikil Jayant at Bell Labs. Flanagan...
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Major developments in digital audio coding and audio data compression include differential pulse-code modulation (DPCM) by C. Chapin Cutler at Bell Labs...
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to 32, Latency Reduction and Transport Efficiency (LRTE), Differential Pulse-Code Modulation (DPCM) compression and scrambling to reduce Power Spectral...
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communication systems: pulse-code modulation (PCM), differential pulse-code modulation (DPCM), delta modulation (DM), digital modulation – amplitude, phase- and...
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supporting 8 channels of FM synthesis and one channel of adaptive differential pulse-code modulation audio, which are mixed down to 2 analog stereo channels via...
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Digital audio (section Coding)
analog-to-digital converter (ADC) into a digital signal, typically using pulse-code modulation (PCM). This digital signal can then be recorded, edited, modified...
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Symbol rate (redirect from Modulation rate)
In a digitally modulated signal or a line code, symbol rate, modulation rate or baud is the number of symbol changes, waveform changes, or signaling events...
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tone/noise channels: compatible with YM2149 Seven adaptive differential pulse-code modulation (PCM) channels: ADPCM-A: Six ADPCM channels, fixed pitch,...
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featured conditional replenishment, differential pulse-code modulation (DPCM), scalar quantization, variable-length coding and a switch for sampling. Version...
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channels: two pulse wave channels, one triangle wave channel, one white noise channel, and one DPCMTooltip differential pulse-code modulation channel for...
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VoIP and videoconferencing Adaptive differential pulse-code modulation (ADPCM) G.722 for VoIP Neural speech coding Lyra (Google): V1 uses neural network...
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List of codecs (redirect from List of video coding formats)
following is a list of compression formats and related codecs. Linear pulse-code modulation (LPCM, generally only described as PCM) is the format for uncompressed...
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Data compression (redirect from Source Coding)
Labs. There, in 1950, C. Chapin Cutler filed the patent on differential pulse-code modulation (DPCM). In 1973, Adaptive DPCM (ADPCM) was introduced by P...
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compression, Differential pulse code modulation (DPCM) is used. The difference between two successive samples is compressed using Huffman coding. The Huffman...
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Digital video (section Coding)
performance. H.120 was based on differential pulse-code modulation (DPCM), a compression algorithm that was inefficient for video coding. During the late 1980s...
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Lossy compression (section Transform coding)
delay, and high quality speech and general audio.) Adaptive differential pulse-code modulation (ADPCM) Master Quality Authenticated (MQA) MPEG-1 Audio Layer...
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SBC (codec) (redirect from Low Complexity Subband Coding)
Bluetooth stack. Audio codec aptX Bluetooth profile Adaptive differential pulse-code modulation List of codecs Bluetooth SIG, Specification of the Bluetooth...
11 KB (799 words) - 21:33, 21 June 2025