JPS6324754U - - Google Patents
Info
- Publication number
- JPS6324754U JPS6324754U JP11594786U JP11594786U JPS6324754U JP S6324754 U JPS6324754 U JP S6324754U JP 11594786 U JP11594786 U JP 11594786U JP 11594786 U JP11594786 U JP 11594786U JP S6324754 U JPS6324754 U JP S6324754U
- Authority
- JP
- Japan
- Prior art keywords
- recording
- signal level
- command
- playback signal
- response
- 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.)
- Granted
Links
- 238000002360 preparation method Methods 0.000 claims description 4
- 238000005070 sampling Methods 0.000 claims description 4
- 230000035945 sensitivity Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 2
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 1
Landscapes
- Signal Processing For Digital Recording And Reproducing (AREA)
- Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
Description
第１図乃至第７図は本考案の実施例に係り、第
１図は録音用信号レベル自動調整装置のブロツク
回路図、第２Ａ図は第１図の具体的な回路図、第
２Ｂ図は第１図の変形例の他の具体的な回路図、
第３図は第２Ａ図に示す回路の主要部の信号波形
図、第４図は第１図に示す回路が適用されたオー
デイオシステムのブロツク回路図、第５図はオー
デイオシステムを構成する各装置のフロントパネ
ルに設けられた表示器の配置図、第６図は録音準
備の手順を示すフローチヤート、第７図はサンプ
リングの手順を示すフローチヤートである。第８
図乃至第１０図は本考案の背景の説明に供する図
、第１１図はＡＬＣ回路の特性の説明に供する波
形図である。
Ａ……再生信号レベル減衰回路、Ｂ……減衰量
制御回路、Ｓ１……減衰量切換指令、Ｓ２……サ
ンプリング指令、１０……コンパクトデイスクプ
レーヤ、１２……アンプユニツト、１４……テー
プデツキ、２８……信号レベル自動調整回路、３
０，３２，３８……マイクロコンピユータ、３１
，３５，５８……表示器、３１Ａ……ポーズ表示
灯、３１Ｂ……プレイ表示灯、３１Ｃ……トラツ
クナンバー表示器、３１Ｄ……タイム表示器、３
５Ａ……録音出力表示灯、３５Ｂ……録音中表示
灯、３５Ｃ……録音表示灯、５８Ａ……ＣＣＲＳ
表示灯、５８Ｂ……オートバイアス表示灯、６６
，７２……バツフアアンプ、６８……アツテネー
タ、７０……スイツチ回路、７４……コンパレー
タ、７６……切換信号作成回路。
1 to 7 relate to embodiments of the present invention, in which FIG. 1 is a block circuit diagram of an automatic recording signal level adjustment device, FIG. 2A is a specific circuit diagram of FIG. 1, and FIG. 2B is a block circuit diagram of an automatic recording signal level adjustment device. Other specific circuit diagrams of the modified example of FIG. 1,
Fig. 3 is a signal waveform diagram of the main parts of the circuit shown in Fig. 2A, Fig. 4 is a block circuit diagram of an audio system to which the circuit shown in Fig. 1 is applied, and Fig. 5 is a diagram of each device constituting the audio system. FIG. 6 is a flowchart showing the recording preparation procedure, and FIG. 7 is a flowchart showing the sampling procedure. 8th
10 to 10 are diagrams for explaining the background of the present invention, and FIG. 11 is a waveform diagram for explaining the characteristics of the ALC circuit. A... Reproduction signal level attenuation circuit, B... Attenuation amount control circuit, S1... Attenuation amount switching command, S2... Sampling command, 10... Compact disk player, 12... Amplifier unit, 14... Tape deck, 28 ...Signal level automatic adjustment circuit, 3
0, 32, 38...Microcomputer, 31
, 35, 58...Indicator, 31A...Pause indicator, 31B...Play indicator, 31C...Track number display, 31D...Time indicator, 3
5A...Recording output indicator, 35B...Recording indicator, 35C...Recording indicator, 58A...CCRS
Indicator light, 58B...Auto bias indicator light, 66
, 72...Buffer amplifier, 68...Attenuator, 70...Switch circuit, 74...Comparator, 76...Switching signal generation circuit.
Claims (1)
生装置の再生信号レベルを所定量減衰させる再生
信号レベル減衰手段Ａと、サンプリング指令Ｓ２
に応答して、再生信号レベルを基準値と比較し、
再生信号レベルが基準値を越えたときに減衰量切
換指令Ｓ１を出力する減衰量制御手段Ｂと、を備
えた信号レベル自動調整手段と、 録音感度固定指令に応答して、録音感度を所定
値にする録音感度固定手段を備えたテープレコー
ダと、 自動調整録音指令に応答して、サンプリング指
令Ｓ２及び録音感度固定指令を出力し、前記再生
信号レベル等の自動調整をして録音準備を終了し
た後に録音を開始させるシステム制御手段とを有
するオーデイオシステムにおいて、 録音準備中と録音準備終了後とを区別して表示
する表示手段を付設したことを特徴とするオーデ
イオシステム。[Claims for Utility Model Registration] A PCM audio playback device, a playback signal level attenuator A that attenuates the playback signal level of the PCM sound playback device by a predetermined amount in response to an attenuation switching command S1, and a sampling command S2.
In response to this, the playback signal level is compared with the reference value,
attenuation amount control means B that outputs an attenuation amount switching command S1 when the playback signal level exceeds a reference value; signal level automatic adjustment means comprising; a tape recorder equipped with a recording sensitivity fixing means that outputs a sampling command S2 and a recording sensitivity fixing command in response to the automatic adjustment recording command, automatically adjusts the playback signal level, etc., and completes recording preparation. What is claimed is: 1. An audio system comprising a system control means for later starting recording, characterized in that the audio system is further equipped with a display means for distinguishing and displaying a state in preparation for recording and a state after completion of preparation for recording.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986115947U JPH0731415Y2 (en) | 1986-07-30 | 1986-07-30 | Audio system |
| US07/078,171 US4831466A (en) | 1986-07-30 | 1987-07-27 | Magnetic tape recording signal level adjustment device |
| DE3750689T DE3750689T2 (en) | 1986-07-30 | 1987-07-29 | Adjustment device for the level of the recording signal of a tape device. |
| DE198787110987T DE255918T1 (en) | 1986-07-30 | 1987-07-29 | ADJUSTMENT DEVICE FOR THE LEVEL OF THE RECORDING SIGNAL OF A TAPE. |
| EP87110987A EP0255918B1 (en) | 1986-07-30 | 1987-07-29 | Magnetic tape recording signal level adjustment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986115947U JPH0731415Y2 (en) | 1986-07-30 | 1986-07-30 | Audio system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6324754U true JPS6324754U (en) | 1988-02-18 |
| JPH0731415Y2 JPH0731415Y2 (en) | 1995-07-19 |
Family
ID=31000081
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986115947U Expired - Lifetime JPH0731415Y2 (en) | 1986-07-30 | 1986-07-30 | Audio system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0731415Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57198718A (en) * | 1981-04-17 | 1982-12-06 | Ceskoslovenska Akademie Ved | Graft copolymer and manufacture |
| JPS6148431U (en) * | 1984-09-04 | 1986-04-01 |
-
1986
- 1986-07-30 JP JP1986115947U patent/JPH0731415Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57198718A (en) * | 1981-04-17 | 1982-12-06 | Ceskoslovenska Akademie Ved | Graft copolymer and manufacture |
| JPS6148431U (en) * | 1984-09-04 | 1986-04-01 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0731415Y2 (en) | 1995-07-19 |
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