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參數(shù)資料
| 型號： | LM1894MX/NOPB |
| 廠商： | National Semiconductor |
| 文件頁數(shù)： | 3/19頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC NOISE REDUCT SYS DYNAM 14SOIC |
| 標(biāo)準(zhǔn)包裝： | 2,500 |
| 類型： | 動態(tài)噪音抑制 |
| 應(yīng)用： | 車載系統(tǒng)，播放器，電視 |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 14-SOIC（0.154"，3.90mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 14-SOICN |
| 包裝： | 帶卷 (TR) |
| 配用： | LM1894MTBD-ND - BOARD EVALUATION LM1894 |
| 其它名稱： | *LM1894MX *LM1894MX/NOPB LM1894MX |
SNAS551C – DECEMBER 1994 – REVISED APRIL 2013
Figure 15. Technique for Measuring S/N Improvement of the DNR System
FOR FURTHER READING
Tape Noise Levels
1. “A Wide Range Dynamic Noise Reduction System”, Blackmer, “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.
Copyright 1994–2013, Texas Instruments Incorporated
11
Product Folder Links: LM1894
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