参数资料
型号: LM1894M/NOPB
厂商: NATIONAL SEMICONDUCTOR CORP
元件分类: 消费家电
英文描述: SPECIALTY CONSUMER CIRCUIT, PDSO14
封装: LEAD FREE, SOP-14
文件页数: 12/12页
文件大小: 340K
代理商: LM1894M/NOPB
Application Hints (Continued)
FOR FURTHER READING
Tape Noise Levels
1. “A Wide Range Dynamic Noise Reduction System”, Black-
mer, “dB” Magazine,August-September 1972, Volume 6, #8.
2. “Dolby B-Type Noise Reduction System”, Berkowitz and
Gundry, Sert Journal,May-June 1974, Volume 8.
3. “Cassette vs Elcaset vs Open Reel”, Toole, Audioscene
Canada, April 1978.
4. “CCIR/ARM: A Practical Noise Measurement Method”,
Dolby, Robinson, Gundry, JAES,1978.
Noise Masking
1. “Masking and Discrimination”, Bos and De Boer, JAES,
Volume 39, #4, 1966.
2. “The Masking of Pure Tones and Speech by White Noise”,
Hawkins and Stevens, JAES, Volume 22, #1, 1950.
3. “Sound System Engineering”, Davis Howard W. Sams and
Co.
4. “High Quality Sound Reproduction”, Moir, Chapman Hall,
1960.
5. “Speech and Hearing in Communication”, Fletcher, Van
Nostrand, 1953.
00791810
FIGURE 5. Bar Graph Display of Peak Detector Voltage
00791811
FIGURE 6. Technique for Measuring S/N Improvement of the DNR System
LM1894
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