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...

Differential pulse-code modulation (DPCM) is a signal encoder that uses the baseline of pulse-code modulation (PCM) but adds some functionalities based...

Adaptive differential pulse-code modulation (ADPCM) is a variant of differential pulse-code modulation (DPCM) that varies the size of the quantization...

of differential pulse-code modulation (DPCM) where the difference between successive samples is encoded into n-bit data streams. In delta modulation, the...

Pulse-position modulation (PPM) Analog-over-digital methods Pulse-code modulation (PCM) Differential PCM (DPCM) Adaptive DPCM (ADPCM) Delta modulation (DM or...

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...

Digital Audio (CDDA). In 1950, Bell Labs filed the patent on differential pulse-code modulation (DPCM). Adaptive DPCM (ADPCM) was introduced by P. Cummiskey...

popular early variant of pulse-code modulation ("PCM") was a compressed version called adaptive differential pulse-code modulation ("ADPCM"). Sound module...

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...

Manchester code and differential Manchester Mark and space MLT-3 encoding Modified AMI codes: B8ZS, B6ZS, B3ZS, HDB3 Modified frequency modulation, Miller...

to 32, Latency Reduction and Transport Efficiency (LRTE), Differential Pulse-Code Modulation (DPCM) compression and scrambling to reduce Power Spectral...

Major developments in digital audio coding and audio data compression include differential pulse-code modulation (DPCM) by C. Chapin Cutler at Bell Labs...

look-ahead delay G.726 is a waveform speech coder which uses Adaptive Differential Pulse Code Modulation (ADPCM) PSQM testing under ideal conditions yields...

analog-to-digital converter (ADC) into a digital signal, typically using pulse-code modulation (PCM). This digital signal can then be recorded, edited, modified...

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...

Computer Engineering. He is known for co-developing adaptive differential pulse-code modulation (ADPCM) with P. Cummiskey and Nikil Jayant at Bell Labs. Flanagan...

voice, not high fidelity. Similar to other ADPCM (Adaptive Differential Pulse Code Modulation) formats, Dialogic ADPCM compresses audio data into a series...

communication systems: pulse-code modulation (PCM), differential pulse-code modulation (DPCM), delta modulation (DM), digital modulation – amplitude, phase- and...

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...

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...

modulation (AM) and frequency modulation (FM) for low noise conditions. Digital communication systems: pulse code modulation, differential pulse-code...

VoIP and videoconferencing Adaptive differential pulse-code modulation (ADPCM) G.722 for VoIP Neural speech coding Lyra (Google): V1 uses neural network...

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...

Bluetooth stack. Audio codec aptX Bluetooth profile Adaptive differential pulse-code modulation List of codecs Bluetooth SIG, Specification of the Bluetooth...

Oliver and C.W. Harrison proposed the use of differential pulse-code modulation (DPCM) in video coding. In 1959, the concept of inter-frame motion compensation...

performance. H.120 was based on differential pulse-code modulation (DPCM), a compression algorithm that was inefficient for video coding. During the late 1980s...

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...

tone/noise channels: compatible with YM2149 Seven adaptive differential pulse-code modulation (PCM) channels: ADPCM-A: Six ADPCM channels, fixed pitch,...

delay, and high quality speech and general audio.) Adaptive differential pulse-code modulation (ADPCM) Master Quality Authenticated (MQA) MPEG-1 Audio Layer...

Near-instantaneous Compression and Expansion. It used differential audio transmission (differential pulse-code modulation) that was not psychoacoustics-based like...