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- Zároveň kompander ovplyvňuje aj maximálnu úroveň signálu, t.j. u nás na vstupe a výstupe +20 ... Činnosť kompandera pri prenose signálu cez prenosový kanál, ... Obvody na úpravu amplitúdy signálu - by Jan Kolesar
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- Princíp systému je založený na princípe, že kompandér zlepší odstup iba voči šumu vznikajúcemu pri reprodukcii zaznamenaného signálu - Magnetický záznam zvuku
by Jan Kolesar - Related KudoZ question
Compare [close] - English
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- Signal processing technique which uses both compression and expansion to improve dynamic range and signal-to-noise ratio.
A signal is passed through a non-linear transformation prior to transmission. A reverse of this transformation occurs at reception. The transformation is such that quiet portions are boosted and loud portions reduced. Noise is reduced because the quiet signals are louder, compared to the noise in the transmission channel.
Used in digital, PCM, transmissions as well as analog applications. Dolby is a common example of a compander-based noise reduction system. Maxim Integrated Products, Dallas Semic.
- Example sentence(s)
- This compander covers a frequency domain from 20Hz to 20KHz, the total distortions are below 1% and the signal/noise ratio is 80dB. - electroschematics.com
by - Unlike traditional companders that have increasing amounts of signal distortion as the frequency becomes lower, the Syfx compander has no signal distortion at any frequency. - syfx
by - We tested transmissions with two companders (DSKs) on 40 meter SSB using three ham radios to compare co-channel interference and signal quality. The third radio was used for creating an interference signal. The compander definitely helped to lessen the co-channel interference from this interfering signal transmitting at the same signal strength. - people.wallawalla.edu
by Compare [close] - Portuguese
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- Equipamento de áudio analógico empregado na redução do ruído em gravações e que opera através da compressão da banda dinâmica do sinal. Alguns exemplos são: Dolby C, dBx, CX, etc.
glossário on line - by Ioná (X)
- Example sentence(s)
- O sistema de áudio "Compander" comprime a voz durante a transmissão e expande durante a recepção, permitindo um áudio mais alto e claro
- sempre telecom
by Ioná (X) - Related KudoZ question
Compare [close] - Chinese
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- 压缩扩展器(压缩器/扩展器噪音衰减)
压缩器是作为压缩扩展器电路的一部分,作为整体噪音抑制过程的一部分,通过接收机中的接收镜像进行反向扩展过程加以实现。输入限幅器在发射机输入端,紧跟着的是压缩器。
在称作“压缩扩展器”的信号处理电路的帮助下,无线话筒系统可以察觉的信噪比得到了极大的提高。术语“压缩扩展器”是 “压缩器”和“扩展器”的合成词 Company homepage - by GeoGenesis
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Compare [close] - Italian
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- Gli elaboratori di dinamica sono una famiglia di apparecchiature elettroniche che operano
essenzialmente sul livello o ampiezza del segnale audio, in modo variabile a seconda della gamma
di livelli e della distribuzione spettrale dello stesso.
L’adozione di elaboratori di dinamica è finalizzato tipicamente ad una ottimizzazione del segnale in
relazione alle caratteristiche del mezzo di trasferimento che si intende impiegare oppure delle
apparecchiature inserite nell’impianto di diffusione sonora.
I due più comuni esempi di questa famiglia di processori elettronici sono il compressore e
l’espansore di dinamica. Il compander è un apparato in grado di svolgere entrambe le funzioni
(COMPANDER = COMPresso+expANDER). Audioprofessionale - by Maria Luisa Dell'Orto
- Example sentence(s)
- I sistemi wireless analogici convenzionali utilizzano un compander (un dispositivo di compressione/espansione di dinamica) per ampliare il range dinamico della trasmissione. - Sony
by Maria Luisa Dell'Orto - Related KudoZ question
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