narrowband noise
1Noise-shaping — Der Begriff Rauschformung (engl. noise shaping) bezeichnet ein Verfahren, in dem das Quantisierungsrauschen eines digitalen Signals in bestimmten Frequenzbereichen stärker konzentriert wird und es dadurch zu einer Verschiebung der Rauschenergie… …
2Noise Shaping — Der Begriff Rauschformung (engl. noise shaping) bezeichnet ein Verfahren, in dem das Quantisierungsrauschen eines digitalen Signals in bestimmten Frequenzbereichen stärker konzentriert wird und es dadurch zu einer Verschiebung der Rauschenergie… …
3narrowband — A limited band of sound frequencies, as opposed to the wideband of frequencies also known as white noise; used to mask hearing in the nontest ear in hearing measurement …
4Pseudorandom noise — In cryptography, pseudorandom noise (PRN[1][2]) is a signal similar to noise which satisfies one or more of the standard tests for statistical randomness. Although it seems to lack any definite pattern, pseudorandom noise consists of a… …
5Auditory masking — occurs when the perception of one sound is affected by the presence of another sound (Gelfand 2004). The term masking is not confined to auditory perception as it can also be used in visual perception tasks.Masking can be simultaneous or non… …
6nar|row|band — «NAR oh BAND», adjective. operating on a narrow band of frequencies: »Broadband sounds, like those of jet aircraft, seem much louder than narrowband noise of the same sound pressure level (Scientific American) …
7Spread spectrum — Passband modulation v · d · e Analog modulation AM · …
8Atomic line filter — A potassium Faraday filter designed, built and photographed by Jonas Hedin for making daytime LIDAR measurements at Arecibo Observatory.[1] An atomic line filter (ALF) is an advanced optical band pass filter used in the physical sciences for… …
9Very minimum-shift keying — VMSK, for Very Minimum Shift Keying modulation, is one of several digital modulation methods claimed to send high speed digital data through very low bandwidth (or narrowband) channels. A typical claim is a data rate of 6 Mbit/s in a bandwidth of …
10Speex — Filename extension .spx Internet media type audio/x speex, audio/speex, audio/ogg Developed by Xiph.Org Foundation, Jean Marc Valin Type of format Audio Contained by Ogg …
