JPH02116149U - - Google Patents
Info
- Publication number
- JPH02116149U JPH02116149U JP2435189U JP2435189U JPH02116149U JP H02116149 U JPH02116149 U JP H02116149U JP 2435189 U JP2435189 U JP 2435189U JP 2435189 U JP2435189 U JP 2435189U JP H02116149 U JPH02116149 U JP H02116149U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- outputs
- stereo
- pilot
- carrier 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.)
- Granted
Links
- 230000005236 sound signal Effects 0.000 claims 4
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Stereo-Broadcasting Methods (AREA)
Description
第1図は本考案の一実施例のブロツク図である
。
1……パイロツト信号発振器、2……クロツク
発振器、3……デイジタル変換器、4……PSK
変調器、5……デイジタル音声変調部、6……入
力端子、7,8……出力端子、9……ステレオF
M変調部、10……FM多重化信号出力端子。
FIG. 1 is a block diagram of one embodiment of the present invention. 1...Pilot signal oscillator, 2...Clock oscillator, 3...Digital converter, 4...PSK
Modulator, 5... Digital audio modulation section, 6... Input terminal, 7, 8... Output terminal, 9... Stereo F
M modulation section, 10...FM multiplexed signal output terminal.
Claims (1)
パイロツト信号発振器と、前記パイロツト信号を
入力し、このパイロツト信号と位相の合致するク
ロツク信号および搬送波信号を出力するクロツク
発振器と、前記クロツク信号を入力して外部から
入力されるアナログ音声信号をデイジタル化音声
信号とするデイジタル変換器と、前記デイジタル
化音声信号と前記搬送波信号とを入力し、前記搬
送波信号に前記デイジタル化音声信号を位相変調
したPSK変調信号を出力するPSK変調器と、
前記パイロツト信号と前記PSK変調信号とを入
力して、FMステレオ放送用のステレオ主チヤネ
ル用信号および副搬送波チヤネル信号とを合成し
てFM多重化された放送波信号を出力するステレ
オFM変調部とを有することを特徴とするステレ
オ放送用多重化装置。 A pilot signal oscillator that outputs a pilot signal for FM stereo broadcasting; a clock oscillator that receives the pilot signal and outputs a clock signal and a carrier wave signal that match the phase of the pilot signal; a digital converter that converts an input analog audio signal into a digitized audio signal, inputs the digitized audio signal and the carrier wave signal, and outputs a PSK modulated signal obtained by phase modulating the digitized audio signal on the carrier wave signal. a PSK modulator,
a stereo FM modulator that inputs the pilot signal and the PSK modulation signal, synthesizes a stereo main channel signal and a subcarrier channel signal for FM stereo broadcasting, and outputs an FM multiplexed broadcast wave signal; A multiplexing device for stereo broadcasting, comprising:
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1989024351U JPH0641405Y2 (en) | 1989-03-02 | 1989-03-02 | Multiplexer for stereo broadcasting |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1989024351U JPH0641405Y2 (en) | 1989-03-02 | 1989-03-02 | Multiplexer for stereo broadcasting |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH02116149U true JPH02116149U (en) | 1990-09-18 |
JPH0641405Y2 JPH0641405Y2 (en) | 1994-10-26 |
Family
ID=31244124
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1989024351U Expired - Lifetime JPH0641405Y2 (en) | 1989-03-02 | 1989-03-02 | Multiplexer for stereo broadcasting |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0641405Y2 (en) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS536A (en) * | 1976-06-24 | 1978-01-05 | Sony Corp | Different program signal transmission system |
-
1989
- 1989-03-02 JP JP1989024351U patent/JPH0641405Y2/en not_active Expired - Lifetime
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS536A (en) * | 1976-06-24 | 1978-01-05 | Sony Corp | Different program signal transmission system |
Also Published As
Publication number | Publication date |
---|---|
JPH0641405Y2 (en) | 1994-10-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EXPY | Cancellation because of completion of term |