例句與造句

1. The newer ITU-R 468 noise weighting filter is used more widely in Europe.
2. For example ITU-R 468 noise weighting uses a special rectifier incorporating two cascaded charging time constants.
3. The subjective loudness of noise is best measured using a noise-meter to the ITU-R 468 noise weighting standard.
4. ITU-R 468 noise weighting was therefore developed to more accurately reflect the subjective loudness of all types of noise, as opposed to tones.
5. The ITU-R 468 noise weighting was devised specifically for this purpose, and is widely used in broadcasting, especially in the UK and Europe.
6. It's difficult to find noise weighting in a sentence. 用noise weighting造句挺難的
7. In particular, the ITU-R 468 noise weighting was devised specifically for this purpose, and is widely used for professional audio and broadcast measurements.
8. A major use of noise weighting is in the measurement of residual noise in audio equipment, usually present as hiss or hum in quiet moments of programme material.
9. Some microphone manufacturers state the noise level using ITU-R 468 noise weighting, which more accurately represents the way we hear noise, but gives a figure some 11 14 dB higher.
10. In telecommunication, noise weightings are used by agencies concerned with public telephone service, and various standard curves are based on the characteristics of specific commercial telephone instruments, representing successive stages of technological development.
11. The ITU-R 468 noise weighting curve, originally proposed in ITU ) was based on the research, and incorporates a special Quasi-peak detector to account for our reduced sensitivity to short bursts and clicks.
12. ITU-R 468 noise weighting with quasi-peak detection is widely used in Europe, especially in telecommunications, and in broadcasting particularly after it was adopted by the Dolby corporation who realised its superior validity for their purposes.
13. *ITU-R 468 noise weighting still has a few issues, but looks like it has come a long way since it was assessed as " Start " status 3 years ago, it's probably due for a re-assessment.
14. Though they represent what we truly hear, ITU-R 468 noise weighting gives figures that are typically some 11dB worse than A-weighted, a fact that brought resistance from marketing departments reluctant to put worse specifications on their equipment than the public had been used to.
15. Later work, first by Zwicker and then by Schomer, attempted to overcome the difficulty posed by different levels, and work by the BBC resulted in the CCIR-468 weighting, currently maintained as ITU-R 468 noise weighting, which gives more representative readings on noise as opposed to pure tones.
16. Measured using ITU-R 468 noise weighting, this is about 66 dB below alignment level, or 84 dB below digital full scale, which is somewhat lower than the microphone noise level on most recordings, and hence of no consequence in 16-bit audio ( see programme level for more on this ).
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