Sharp Optonica RX-1, User Manual

Page: 3 / 20

The way to record or reproduce on PCM
Digital o u t p u t
R e c o r d i n g
Audio
z_
Video cassette PCM unit
recorder
° 006 O
O *<§
O 000 O T * 00
Amplifier- Speakers
Blocks of the PCM unit
Clock
generator
T V
generator
Sample
and hold
A / D -
converter
Redundancy
Recording
- | Video cassette recorder [*
H
PLL
Data
Error
check
Memories
Error
correction
D/A-
converter
Reproduction
Compact and Light, Culmination of Modern Design­
ing
U n l i k e t h e general c o n c e p t t h a t P C M a d a p t o r s are b u l k y and
h e a v y , O P T O N I C A ' s R X - 1 is as c o m p a c t as a s t e r e o a m p l i f i e r ,
w e i g h i n g o n l y 1 5 . 5 k g . S h a r p ' s i n n o v a t i v e s e m i c o n d u c t o r
t e c h n o l o g y has c h a n g e d t h e w h o l e c o n c e p t .
Stunning 90dB Dynamic Range
D i g i t a l r e c o r d i n g s y s t e m means v e r y l o w d i s t o r t i o n a n d noise,
r e s u l t i n g i n a s t u n n i n g 9 0 d B d y n a m i c r a n g e , t h a n k s t o 1 4 - b i t
q u a n t i z i n g .
Extra High Fidelity Recording and Playback
Because t h e a u d i o signals are c o n v e r t e d i n t o pulse codes f o r
r e c o r d i n g a n d p l a y b a c k , t h e s o u n d signals are n o t a f f e c t e d b y
r o t a r y m e c h a n i s m s c h a r a c t e r i s t i c t o a n a l o g s y s t e m s . T h e r e s u l t
is an e x t r e m e l y h i g h f i d e l i t y in r e c o r d i n g a n d p l a y b a c k ,
b e y o n d a n y p o s s i b i l i t i e s o f t h e a n a l o g s y s t e m .
Accurate, Easy-to-Read LED Level Meter
2 8 L E D level m e t e r o n o n e c h a n n e l p e r m i t s precise r e c o r d i n g
levels.
Easy to Connect to Various Kinds of Equipment
In a d d i t i o n t o P I N j a c k s , t h e u n i t i n c l u d e s c a n n o n c o n n e c t o r s
a n d M t y p e c o n n e c t i n g j a c k s , f o r easy c o n n e c t i o n o f t h e R X - 1
w i t h v a r i o u s k i n d s o f e q u i p m e n t .
Special Control for Precise Adaptability of PCM
Adaptor to Videotape.
Jack for Digital Direct Dubbing.
Other features
* M i k e m i x i n g . * G o l d p l a t e d P I N i a c k s .
* H e a d p h o n e j a c k .
Recording
Recorded
tape
[£> o i o o i i o ] C)
C o r r e c t i o n
A u d i o signals
Playback waveform of 10 kHz
C a s s e t t e t a p e d e c k O p e n reel t a p e d e c k P C M s y s t e m
Playback waveform of silent portion
(50 dB or 300 times magnification on the scope)
C a s s e t t e t a p e d e c k O p e n reel t a p e d e c k P C M s y s t e m
Harmonic Distortion
C a s s e t t e t a p e d e c k P C M s y s t e m
Wow and flutter
C a s s e t t e t a p e d e c k O p e n reel t a p e d e c k P C M s y s t e m
Microphones PCM unit Video cassette recorder
R e p r o d u c t i o n
Digital output Audio o u t p u t
Low pass
filter
Memories
Low pass
filter
Output
s
I npu
t
Sample
and hold
Digital
V i d e o
signal
Data formats
Signals
Reproduction
V C R
Recorded
tape
Reproduced
wave
Data
( E r r o r )
Memorie
s
D/
A
O p e n reel t a p e d e c k