pre-emphasizev.

Brit.

/priːˈɛmfəsʌɪz/, U.S.

/priˈɛmfəˌsaɪz/

Forms: see pre- prefix and emphasize v.

Origin: Formed within English, by derivation. Etymons: pre- prefix, emphasize v.

Etymology: < pre- prefix + emphasize v., after pre-emphasis n.

Chiefly Sound Recording and Broadcasting.

transitive. To subject to pre-emphasis.

ΘΚΠ

society > communication > broadcasting > putting on or producing broadcast > put on or produce broadcast [verb (transitive)] > various techniques

fade1927

pre-emphasize1951

favour1960

society > communication > record > recording or reproducing sound or visual material > sound recording and reproduction > make recording [verb (transitive)] > skew frequencies to exclude noise

pre-emphasize1951

1951 Electronics Oct. 98/1 Audio program signals..were amplified, high-frequency pre-emphasized and low-pass filtered to a top of approximately 16 kc.

1968 A. B. Cook & A. A. Liff Frequency Modulation Receivers xiv. 490 Both the left (L) and right (R) channels are fed to 75-μ sec high-pass filters, where they are preemphasized.

1981 K. N. Stevens & S. E. Blumstein in P. D. Eimas & J. L. Miller Perspectives Study of Speech i. 11 These spectra..were derived by means of a 14-pole linear prediction algorithm, which preemphasized the higher frequencies.

1995 Proc. National Acad. Sci. U.S.A. 92 9933/2 (caption) The spectra are preemphasized by 6 dB/octave.

Derivatives

pre-ˈemphasized adj.

ΚΠ

1957 Proc. IRE 45 1528/1 Higher frequencies are emphasized in transmission and corrected on reception. This has been referred to as ‘hybrid modulation’, and ‘pre-emphasized transmission’.

1972 Automatica 8 752/1 Such commonly used modulation formats as AM, PM and FM, and pre-emphasized FM.

2000 Signal Processing 80 1659/2 To estimate the instantaneous frequency of the individual formants, the pre-emphasised signal must be separated into single-component signals.

This is a new entry (OED Third Edition, March 2007; most recently modified version published online March 2022).

单词	pre-emphasize
释义	pre-emphasizev. Brit. /priːˈɛmfəsʌɪz/, U.S. /priˈɛmfəˌsaɪz/ Forms: see pre- prefix and emphasize v. Origin: Formed within English, by derivation. Etymons: pre- prefix, emphasize v. Etymology: < pre- prefix + emphasize v., after pre-emphasis n. Chiefly Sound Recording and Broadcasting. transitive. To subject to pre-emphasis. ΘΚΠ society > communication > broadcasting > putting on or producing broadcast > put on or produce broadcast [verb (transitive)] > various techniques fade1927 pre-emphasize1951 favour1960 society > communication > record > recording or reproducing sound or visual material > sound recording and reproduction > make recording [verb (transitive)] > skew frequencies to exclude noise pre-emphasize1951 1951 Electronics Oct. 98/1 Audio program signals..were amplified, high-frequency pre-emphasized and low-pass filtered to a top of approximately 16 kc. 1968 A. B. Cook & A. A. Liff Frequency Modulation Receivers xiv. 490 Both the left (L) and right (R) channels are fed to 75-μ sec high-pass filters, where they are preemphasized. 1981 K. N. Stevens & S. E. Blumstein in P. D. Eimas & J. L. Miller Perspectives Study of Speech i. 11 These spectra..were derived by means of a 14-pole linear prediction algorithm, which preemphasized the higher frequencies. 1995 Proc. National Acad. Sci. U.S.A. 92 9933/2 (caption) The spectra are preemphasized by 6 dB/octave. Derivatives pre-ˈemphasized adj. ΚΠ 1957 Proc. IRE 45 1528/1 Higher frequencies are emphasized in transmission and corrected on reception. This has been referred to as ‘hybrid modulation’, and ‘pre-emphasized transmission’. 1972 Automatica 8 752/1 Such commonly used modulation formats as AM, PM and FM, and pre-emphasized FM. 2000 Signal Processing 80 1659/2 To estimate the instantaneous frequency of the individual formants, the pre-emphasised signal must be separated into single-component signals. This is a new entry (OED Third Edition, March 2007; most recently modified version published online March 2022). < v.1951
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