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单词 compander
释义

Definition of compander in English:

compander

(also compandor)
noun kəmˈpandəkəmˈpandər
  • A device that improves the signal-to-noise ratio of an electrical signal by compressing the range of amplitudes of the signal before transmission, and then expanding it on reproduction or reception.

    Example sentencesExamples
    • The test tone activates all of the compandors and amplifiers on the line, simulating actual operating conditions.
    • So, until then, tune up your amplitude and frequency compandors, and explore that 2 meter band.
    • The digital audio chain eliminates a compandor and its artifacts, and provides audio frequency response flat to 20 kHz.
    • A new type of compander in which the disadvantages of existing companders will be avoided has been designed.
    • In other words, the compandor can't cope with the abundant high-frequency transient information.
    • When using both compression and the compander, set the compressor initially at 3 db and the compander at level 3.
    • Another variation is the compander (compressor/expander) which intentionally ‘flattens’ audio dynamic range for musical purposes.
    • Unfortunately, this is often a vain hope, and pre-emphasized digital companders usually give audible noise modulation on critical musical material.
    • The obvious advantages of out-of-band signaling are, of course, freedom from the effects of speech currents, compandors and echo suppressors.
    • High quality companders are used in studios, audio workstations, and other professional environments.
    • There are several plug-ins that take advantage of the 32-bit mode, and companders for those that don't.
    • The dual-band compandor should provide very good audio quality and the RF performance is decent.
    • The compand function supports two kinds of companders: law and A-law companders.
    • It can be seen that, for optimum results, a compander designed for magnetic studio recording will, at best, give a compromise in performance when used for photographic sound recording.
    • So I took the compander circuit of the Roland VP - 330, and adjusted time constants for an application where input- and output waveforms aren't similar anymore.
    • Because the information being transmitted is digitally encoded, useable dynamic range is much higher than a compandor can offer and there is no compandor in the audio signal to interfere with your measurements.
    • To ensure noise measurements on digital carriers (PCM systems) are valid, a holding tone must be transmitted to operate the compander and quantizing circuitry in its normal operating range.

Origin

1930s: blend of compressor and expander (see expand).

 
 

Definition of compander in US English:

compander

(also compandor)
nounkəmˈpandər
  • A device that improves the signal-to-noise ratio of an electrical signal by compressing the range of amplitudes of the signal before transmission, and then expanding it on reproduction or reception.

    Example sentencesExamples
    • In other words, the compandor can't cope with the abundant high-frequency transient information.
    • The test tone activates all of the compandors and amplifiers on the line, simulating actual operating conditions.
    • The compand function supports two kinds of companders: law and A-law companders.
    • So, until then, tune up your amplitude and frequency compandors, and explore that 2 meter band.
    • The dual-band compandor should provide very good audio quality and the RF performance is decent.
    • High quality companders are used in studios, audio workstations, and other professional environments.
    • To ensure noise measurements on digital carriers (PCM systems) are valid, a holding tone must be transmitted to operate the compander and quantizing circuitry in its normal operating range.
    • Unfortunately, this is often a vain hope, and pre-emphasized digital companders usually give audible noise modulation on critical musical material.
    • So I took the compander circuit of the Roland VP - 330, and adjusted time constants for an application where input- and output waveforms aren't similar anymore.
    • When using both compression and the compander, set the compressor initially at 3 db and the compander at level 3.
    • A new type of compander in which the disadvantages of existing companders will be avoided has been designed.
    • The digital audio chain eliminates a compandor and its artifacts, and provides audio frequency response flat to 20 kHz.
    • Because the information being transmitted is digitally encoded, useable dynamic range is much higher than a compandor can offer and there is no compandor in the audio signal to interfere with your measurements.
    • It can be seen that, for optimum results, a compander designed for magnetic studio recording will, at best, give a compromise in performance when used for photographic sound recording.
    • The obvious advantages of out-of-band signaling are, of course, freedom from the effects of speech currents, compandors and echo suppressors.
    • There are several plug-ins that take advantage of the 32-bit mode, and companders for those that don't.
    • Another variation is the compander (compressor/expander) which intentionally ‘flattens’ audio dynamic range for musical purposes.

Origin

1930s: blend of compressor and expander (see expand).

 
 
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更新时间:2024/9/22 20:30:37