JPS6399359U - - Google Patents
Info
- Publication number
- JPS6399359U JPS6399359U JP19492386U JP19492386U JPS6399359U JP S6399359 U JPS6399359 U JP S6399359U JP 19492386 U JP19492386 U JP 19492386U JP 19492386 U JP19492386 U JP 19492386U JP S6399359 U JPS6399359 U JP S6399359U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- signal
- specific
- transmission
- specific signal
- 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
- 230000005540 biological transmission Effects 0.000 claims 4
- 239000000284 extract Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 7
- 230000005236 sound signal Effects 0.000 description 4
- 238000001228 spectrum Methods 0.000 description 3
Landscapes
- Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
- Networks Using Active Elements (AREA)
Description
第１図は本考案の一実施例の音声信号除去回路
１の電気的構成を示すブロツク図、第２図は復調
信号のスペクトルを示す図、第３図は復調信号か
ら音声信号周波数帯域成分のみを抜き出した信号
の波形図、第４図はリミツタ回路を通過した信号
の波形図、第５図は第２バンドパスフイルタを通
過した信号の波形図、第６図は加算回路を通過し
た信号のスペクトルを示す図、第７図は遅延回路
を通過した信号のスペクトルを示す図、第８図は
本実施例の音声信号除去回路の出力信号のスペク
トルを示す図である。
１……音声信号除去回路、２……復調回路、３
……ローパスフイルタ、４，６，８，１０……バ
ンドパスフイルタ、５，９……リミツタ回路、７
，１１……位相調整回路、１２……加算回路、１
３……遅延回路、１４……減算回路、ＩＮ……入
力端子、ＯＵＴ……出力端子。
Fig. 1 is a block diagram showing the electrical configuration of an audio signal removal circuit 1 according to an embodiment of the present invention, Fig. 2 is a diagram showing the spectrum of the demodulated signal, and Fig. 3 shows only the audio signal frequency band components from the demodulated signal. Figure 4 is a waveform diagram of the signal that has passed through the limiter circuit, Figure 5 is a waveform diagram of the signal that has passed through the second bandpass filter, and Figure 6 is the waveform diagram of the signal that has passed through the adder circuit. FIG. 7 is a diagram showing the spectrum of the signal passed through the delay circuit, and FIG. 8 is a diagram showing the spectrum of the output signal of the audio signal removal circuit of this embodiment. 1... Audio signal removal circuit, 2... Demodulation circuit, 3
...Low pass filter, 4, 6, 8, 10... Band pass filter, 5, 9... Limiter circuit, 7
, 11... Phase adjustment circuit, 12... Addition circuit, 1
3...Delay circuit, 14...Subtraction circuit, IN...Input terminal, OUT...Output terminal.
Claims (1)
する特定信号回路と、 予め定める遅延が与えられ伝送信号処理回路か
ら出力される伝送信号から、特定信号回路出力の
特定信号を減算する減算回路とを含むことを特徴
とする特定信号除去回路。[Claims for Utility Model Registration] A transmission signal processing circuit that includes a delay circuit, a specific signal circuit that extracts a specific signal in a specific frequency band from a transmission signal, and a transmission that is given a predetermined delay and is output from the transmission signal processing circuit. A specific signal removal circuit comprising: a subtraction circuit that subtracts a specific signal output from the specific signal circuit from the signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19492386U JPS6399359U (en) | 1986-12-17 | 1986-12-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19492386U JPS6399359U (en) | 1986-12-17 | 1986-12-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6399359U true JPS6399359U (en) | 1988-06-28 |
Family
ID=31152344
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19492386U Pending JPS6399359U (en) | 1986-12-17 | 1986-12-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6399359U (en) |
-
1986
- 1986-12-17 JP JP19492386U patent/JPS6399359U/ja active Pending
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