JPS60169988U

JPS60169988U - PCM recording signal monitor device

Info

Publication number: JPS60169988U
Application number: JP5623584U
Authority: JP
Inventors: 薫山本; 穴沢　健明
Original assignee: 日本コロムビア株式会社
Priority date: 1984-04-17
Filing date: 1984-04-17
Publication date: 1985-11-11

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は従来のＰＣＭ記録信号をテレビジョンの１水平
走査期間ＩＨ上に乗せた波形図、第２路は第１図に示し
た波形をＣＲＴの画面上に表示した場合のＣＲＴの画面
の正面図、第３図Ａ、Ｂ。Ｃは従来のコードとレベルとの関係を示す説明図、第４
図は４７．２５ＫＨ２以上のサンプリング周波数で音響
入力信号をサンプリングした場何の従来の１水平走査期
間中の波形図、第５図は第４図の波形をＣＲＴでモニタ
する場合のＣＲＴ画面の正面図、第６図は本考案のサン
プリングデータをテレビジカンの各水平走査期間に配分
した状態を示す波形図、第７図は第６図の波形配分を行
う装置の系統図、第８図は本考案の他の実施例を示す系
統図、第９図は第７図の実施例によって得られたＣＲＴ
の画面上の波形を示すＣＲＴ画面の正面図、第１０図は
本考案の他の実施例によるＣＲＴの画面上の波形を示す
ＣＲＴの画面の正面図である。図に於いて、ｌａｗ　　ｌｂｗ　　ｌｃ・・・は水平同
期信号、２．　２’、　２″・・・は１水平走査期間、
３ａ、３ｂｙ　　３ｃｔ　　３ｄｔ　３ｄ’ｔ　　３ｄ
”ｔ　　３ｅ”’３　ｆ−・・はサンプルデータ、４は
ＣＲＴの画面、５はデータ入力端子、６，７は第１及び
第２のバックメモリ、８は書き込み制御部、９，１０は
第１及び第２の並列−直列変換回路、１１は選択回路、
１２は続み出し制御部、１３．１７は出力端子、１４は
プロセッサ、１５はメモリ、１６は並列−直列変換回路
を夫々示す。ｊ第３図 ”　　　　　　ＢＣ１１１１１１−１１１１１１１０１１１１−０１１１１１１０００１１−０００１１１１０００００−０００００１０１１１１１−０００００００１１１００−０００１１００，１００００−０１１１１０ｏｏｏｏｏｏ→１１１１１０Figure 1 is a waveform diagram of a conventional PCM recording signal placed on IH for one horizontal scanning period of a television, and the second path is a waveform diagram of a CRT screen when the waveform shown in Figure 1 is displayed on the CRT screen. Front view, Figure 3 A, B. C is an explanatory diagram showing the relationship between conventional codes and levels;
The figure shows a conventional waveform diagram during one horizontal scanning period when an acoustic input signal is sampled at a sampling frequency of 47.25 KH2 or higher. Figure 5 is a front view of the CRT screen when the waveform in Figure 4 is monitored on a CRT. Figure 6 is a waveform diagram showing how the sampling data of the present invention is distributed to each horizontal scanning period of the TV camera, Figure 7 is a system diagram of the device that performs the waveform distribution shown in Figure 6, and Figure 8 is the waveform diagram of the present invention. A system diagram showing another embodiment of the invention, FIG. 9 is a CRT obtained by the embodiment of FIG.
FIG. 10 is a front view of a CRT screen showing waveforms on a CRT screen according to another embodiment of the present invention. In the figure, law lbw lc... is a horizontal synchronization signal, 2. 2', 2''... is one horizontal scanning period,
3a, 3by 3ct 3dt 3d't 3d
"t 3e"'3 f-... is sample data, 4 is the CRT screen, 5 is the data input terminal, 6 and 7 are the first and second back memories, 8 is the write control unit, 9 and 10 are the 1 and 2nd parallel-to-serial conversion circuits; 11 is a selection circuit;
12 is a continuation control section, 13 and 17 are output terminals, 14 is a processor, 15 is a memory, and 16 is a parallel-to-serial conversion circuit. j Figure 3” BC 111111-111111 101111-011111 100011-000111 100000-000001 011111-000000 011100-000110 0,10000-011110 ooooooo→1111 10

Claims

[Scope of utility model registration request]

If the sampling frequency is 47.25KH2 or higher, the standard
A PC designed to be able to add extra sample data than 3 samples per horizontal scanning period of the revision signal.
In the M recording signal monitoring device, the extra sample data is divided into a plurality of pieces, and the position of the extra sample data added to the one horizontal scanning period is determined by the position of the divided sample data of the next one horizontal scanning period. 1. A PCM recording signal monitor device, characterized in that the PCM recording signal monitor device is arranged at the same position as the PCM recording signal monitor and constitutes one sample data.