Speech Synthesis LSI Series
Ver.3.1
Connect with IoT
*LAPIS Technology study
Proven customer
support provided
for over 40 years
P
*
Supports
external memory
Qualified under
the AEC-Q100
automotive
standard
Built-in
long playback
memory
Built-in
short playback
memory
Speech Synthesis LSI series
LAPIS Technology
Memory
Amp
ADPCM2
HQ-ADPCM
Synthesis
Simple
operation
High-quality
sound
Greater space
savings
Multiple
functions
In addition to leveraging sound technologies ranging from
sound compression/decompression and acoustic processing
to digital filters and amps, LAPIS Technology's wide lineup of
speech synthesis LSIs integrate peripheral technologies such
as P2ROM
TM
and flash memory.
The broad portfolio includes series with built-in ROM ideal for
voice guidance/alarm/message/sound playback along with
high reliability types optimized for automotive applications.
Our focus on ‘enhanced sound quality’ has been
well-received by customers for many years.
We deliver solutions and support that meet customer
demands while providing added value.
*LAPIS Technology study
Product development that takes into
account the needs of the times
Wide lineup ranges from simple
to high performance types
Proven customer
support provided
for over 40 years
*
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LAPIS Technology speech synthesis LSIs
allow users to immediately add high quality voice functionality
to virtually any application
LAPIS Technology
Speech Synthesis
LSIs feature:
LAPIS Technology
Speech Synthesis
LSIs feature:
LAPIS Technology
Speech Synthesis
LSIs feature:
s
Simple
operation
Simple
operation
s
is
High-quality
sound
High-quality
sound
s
is
Greater space
savings
Greater space
savings
◆
Enables easy sound playback
by sending a simple
command from the MCU
◆
48kHz Max sampling
frequency (middleware
typically from 8kHz to 12kHz)
◆
Built-in high performance
DAC and lter
◆
Highly integrated design
from speech synthesis
engine to speaker amp
reduces the number of
external parts
◆
Fewer external parts
reduces the failure rate
LAPIS Technology
Speech Synthesis
LSIs feature:
s
Multiple
functions
Multiple
functions
◆
Multiple built-in
sound-related functions.
Equipped with fail-safe
functions including playback
sound detection for
automotive use
•
Simultaneous
multi-channel playback
function
•
ROM editing function
and more...
Multiple functions
High fidelity/
high compression
decoder
Simultaneous
vocalization
Editing
function
Speed and
pitch conversion
Onboard
writing
Decoder
(hardware)
Amp
Filter
Memory
Comprehensive support from LSI selection to mass production
Also supports voice creation
(fee may be required)
Customer Tasks
Select the LSI series/
Memory capacity
Create a phrase list
Create original sound
Voice analysis and editing
Complete the ROM data
STEP1.
STEP3.
STEP4.
STEP5.
STEP2.
LAPIS Technology and/or Customer Tasks
Select the LSI
based on set
requirements
Write before shipment
Applications
Speech?
Sound
effects?
Melody?
Playback
Time
Address
1
Good Morning
Good Afternoon
2
3
Speech
Studio recording
Editing
Volume adjustment
Mixing
Equalizing
Melody/sound effect creation
Existing source
Additional recording (in some cases)
Additional recording
(in some cases)
Demo/correction