JPS6429988U - - Google Patents
Info
- Publication number
- JPS6429988U JPS6429988U JP12077487U JP12077487U JPS6429988U JP S6429988 U JPS6429988 U JP S6429988U JP 12077487 U JP12077487 U JP 12077487U JP 12077487 U JP12077487 U JP 12077487U JP S6429988 U JPS6429988 U JP S6429988U
- Authority
- JP
- Japan
- Prior art keywords
- level
- signal
- reducing
- output
- band wave
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000005236 sound signal Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 230000035807 sensation Effects 0.000 description 1
Description
第１図は本考案の一実施例である聴感補正回路
１に関連する構成を示すブロツク図、第２図は周
波数に依らず聴感レベルが一定となるような音圧
レベルの周波数特性を示すグラフ、第３図は一定
の音圧レベルの音響を人間が知覚するときの聴感
レベルの周波数特性を示すグラフ、第４図は第１
図に示されるＢＰＦ２の周波数特性を示すグラフ
、第５図は第１図に示されるレベル圧縮器３の入
出力レベルの関係を示すグラフ、第６図は聴感補
正回路１の周波数特性を示すグラフ、第７図は従
来技術の聴感補正回路１１に関連する構成を示す
電気回路図、第８図は第７図に示される聴感補正
回路１１および可変抵抗器１６の周波数特性を示
すグラフである。
１…聴感補正回路、２…ＢＰＦ、３…レベル圧
縮器、４…加算器。
Fig. 1 is a block diagram showing the configuration related to the auditory sensation correction circuit 1 which is an embodiment of the present invention, and Fig. 2 is a graph showing the frequency characteristics of the sound pressure level such that the audibility level is constant regardless of the frequency. , Figure 3 is a graph showing the frequency characteristics of the auditory level when humans perceive sound with a constant sound pressure level, and Figure 4 is a graph showing the frequency characteristics of the auditory level when humans perceive sound with a constant sound pressure level.
5 is a graph showing the relationship between the input and output levels of the level compressor 3 shown in FIG. 1, and FIG. 6 is a graph showing the frequency characteristics of the hearing correction circuit 1. , FIG. 7 is an electric circuit diagram showing a configuration related to the conventional hearing correction circuit 11, and FIG. 8 is a graph showing the frequency characteristics of the hearing correction circuit 11 and the variable resistor 16 shown in FIG. 1... Hearing correction circuit, 2... BPF, 3... Level compressor, 4... Adder.
Claims (1)
を選択的に通過させる帯域波手段と、 前記帯域波手段の出力レベルを減少して出力
するレベル減少手段と、 前記音響信号からレベル減少手段の出力信号を
減算する減算手段とを含むことを特徴とする聴感
補正回路。[Claims for Utility Model Registration] A band wave means for selectively passing a predetermined frequency band component by waving an acoustic signal; a level reducing means for reducing the output level of the band wave means and outputting the sound signal; and subtraction means for subtracting the output signal of the level reduction means from the signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12077487U JPS6429988U (en) | 1987-08-05 | 1987-08-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12077487U JPS6429988U (en) | 1987-08-05 | 1987-08-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6429988U true JPS6429988U (en) | 1989-02-22 |
Family
ID=31367184
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12077487U Pending JPS6429988U (en) | 1987-08-05 | 1987-08-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6429988U (en) |
-
1987
- 1987-08-05 JP JP12077487U patent/JPS6429988U/ja active Pending
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