5 Sound control process(CRI ADX) SOL One chip sound solution
The integrated sound middleware "CRI ADX", which processes a large amount of audio data
and integrates various audio control functions, can also be handled in a single chip. SOLIDAS
Prioritized multiple sound playback Sound generator with envelope
Volume
It is easy to perform complex
Music You can play basic waveforms
sound control, such as outputting such as sine waves with envelope Com
two or more sounds at the smooth volume changes posi
ting
required timing and prioritizing the
Audio (envelopes). Output waveform
playback of important sounds.
original waveform
Mixing Sound data compression
Mix multiple sound data Source M
i CRI proprietary compression Mode Compression
ratio CPU Load This fully digital audio solution enables software-based audio signal processing
at the required volume Source x technology can compress 1 1
and output. i Output Original
n audio data to 1/4 to 1/10 ADX 1/4 1.2
Source g of its original size. for microcontrollers/FPGAs, enabling the development of a variety of audio equipment.
HCA 1/10 3
In-car security system with voice function“ CRI SOLIDAS for Automotive” Software-based functions on 1-chip (general-purpose microcontroller/FPGA)
"CRI SOLIDAS for Automotive" is a solution provided as a module that A single general chip take care all.
integrates safety sound control functions for in-vehicle use.
IVI-System [Main functions of the module]
- Sound adjustment“ CRI DSP” ex. system configuration by SOL SOLIDAS
- Generation and control of warning sounds for meter cluster
Navi Mic Audio “ CRI ADX Automotive”
Input Input Input - Output to 4ch or more“ CRI D-Amp Driver” 1CHIP(Microcomputer、FPGA) H bridge Speaker
circuit
Module
PWM
MIC I/F S Echo
e canceller drive
l
e PWM
AAOS/QNX/Other c drive
CRI-DSP t
o Noise
Sound Sysrtem Digital r canceller PWM
I/F drive
+ IN
PWM
I2S drive
Graphic system Acoustic
or Gain correction
Master
A2B Compatible with
brand amplifiers Analog controller
Delay volume
IN I/F
CRI DSP EQ CRI
D-amp Driver
!
CAN : Digital Signal Sound Output
Process(CRI DSP) Process
(CRI D-Amp Driver) Multiple channel output possible
Save Power High flexibility Standardization Risk Reduction ex. a conventional sound system
Operates on less than One hardware can Easier inheritance of Consists of only generic HPF Class-D
LPF amplifier
half the power handle many different design assets parts, reducing procure (IC) (IC)
Selector Echo Gain
canceller controller
(IC) (DSP) (IC)
types of products -ment / inventory risks HPF Class-D
LPF amplifier
Digital
I Noise (IC) (IC)
N Acoustic Master
canceller correction volume WEB (in JAPANESE)
(DSP) (DSP) (IC) HPF Class-D
Analog LPF amplifier
IN (IC) (IC)
Delay D/A
EQ converter
(DSP) (IC) HPF Class-D
LPF amplifier
(IC) (IC)
So far, products were constructed using a large number of dedicated ICs/DSPs.
Development and Sales ※“CRI Middleware”“CRIWARE”“CRI SOLIDAS”“CRI D-Amp Driver”“ ADX”
is a registered trademark or trademark of CRI Middleware Co,.Ltd. in Japan and other countries.
※All other company and product names are registered trademarks or trademarks
of their respective companies or organizations.
※The above descriptions are current as of December 2024
Infoss Tower, 11F, 20-1 Sakuragaoka-cho, Shibuya-ku, Tokyo, Japan ※The information in this catalog is subject to change without notice
https://www.cri-mw.co.jp/ J2412CRISOL100C
Software Defined Audio “CRI SOLIDAS” SOL SOLIDAS
2 Create systems including hardware without coding 4 Full digital output by“ CRI D-Amp Driver”
Our proprietary audio system development tool "SOLIDAS Suite" allows you to develop audio With the audio output processing function“ CRI D-Amp Driver”, high efficiency and quality
products with low coding. audio output by simply adding H-bridge circuit to the microcontroller.
SOLIDAS Suite
Full digital output by software High noise immunity
Product Design Circuit Design
By attaching an external H-bridge circuit (consisting of a Amplifier performance is about 1/2 that of a typical class
Acoustic and product desin (circuit design independent) Design circuit blocks (independent of product design) transistor and several resistors), the "CRI D-Amp Driver" D amplifier, and less than 1/4 that of a class AB amplifier.
Solid Craft - Sound Flow Designer ー Solid Craft - Circuit Connection Designer
ファイル 編集 表示 実行 ツール ヘルプ CRI User ファイル 編集 表示 実行 ツール ヘルプ software performs audio output.
DSP... Sound Asset プロパティ
Chip... Parts Asset プロパティ
SOLIDAS Preset DSP Digital Volume FPGA Measured at 12V 8Ω
Ti375C529[★]
Equalizer 設定項目 値 STA516B[0]
Efinix D-Amp Driver[0] Ch.1-A[IN1A / OUT1A] w
Level meter[0] インスタンスID 0 PWM Out [Hot] Ch.1-B[IN1B / OUT1B]
Filter Ch.1 Titanium PWM Out [Cold] 3
Ch.2 チャンネル数 4 Ch.2-A[IN2A / OUT2A]
I2S[0] D-Amp Driver[1] SoftMCUタイプ
Ch.2-B[IN2B / OUT2B]
Mixer/Divider Ch.3 PCMデータ形式 FFlloat32 Ti375C529
D-Amp Driver[2] PWRDN
Ch.4
Format Convert Vol変更方式 ++ // - 信号 PWM Out [Hot]
PWM Out [Cold]
Gain Control Volステップ数 30 分 MCLK
LRCLK
Ti60F225 BCLK
Data-Out[0]
マイコン Data-Out[1] D-Amp Driver[3]
Vol変化曲線 Aカーブ Data-Out[2] I2S[0] 2
Digital Volume Renesas Data-Out[3] MCLK STA516B[1]
Sound Input [0] Vol遷移時間[ms] 100
Auto Gain Controler LRCLK
Ch.1 Division RX700
Mute機能 なし
Ch.2
Maximizer Ch.3 RX72T
Ch.4 Format Convert [0] 業 BCLK
Data-In
Data-Out
Terminal Parts I2S[1]
Ch.5 Ch.1 R5F572TKGGFP 1
Ch.6 Ch.2 I2S[2]
Sound Ch.7 Ch.3 of labor ST Microelectronics I2S[3]
Ch.8 Ch.4 Digital Volume[0] Format Convert [1] Sound Output [0] LED[0]
Sound Input PCM Data[0] Ch.1 Ch.1
Button[0:VolUp] PCM Data[1] Ch.2 Ch.2
Sound Output Push Event PCM Data[2] Ch.3 Ch.3 化 STM32G4 Port-In[0]
Pin[0]
STM32G4x4 Pin[1]
Release Event PCM Data[3] Ch.4 Ch.4 Port-Out[0] LED[1]
Communication Signal Level Vol+ STM32G474RBT6 Pin[0]
Vol- Pin[1] A typical Class D amp / Class AB amp.
Display Button[1:VolDown] D-Amp Driver Port-Out[1] LED[2]
Push Event
Indicator light Port-Out[2]
Release Event Discrete H-Bridge
Signal Level Switch[0] Port-Out[3] LED[3]
7SEG LED ST Microelectronics Push SW Port-Out[4] LED[0]
Level meter Pin[0] LED[1]
STA5xx Pin[1] LED[2]
Switch / Sensor Pin[2] LED[3]
STA516B Switch[1] Pin[3] LED[4] Microcomputer
Button Push SW Pin[4] LED[5] H-bridge circuit Speaker
STA533 High noise immunity
シグナルリスト Pin[5] LED[6]
シグナルリスト
Rotary Encoder 汎用 Pin[6] LED[7]
線色 データタイプ データ形式 クロックドメイン I/F 線色 プロトコル データ形式 クロックドメイン /FPGA
Pin[7]
Misc. Signal EdgeTrigger[Active:HIGH] Clock0 Switch I2S Philips[Flame:32bit / Data:16bit] Clock0
Fixed Literal Sound PCM[Int16] Clock0 LED D-Amp Driver PWM Bit Perfect[16bit,x4 Anti-Aliasing] Clock1
Sound PCM[Float32] Clock0
I2S GPIO - - Differential drive
0 ? 8 Ver. 1.00.00 0 ? U0SB
reduces noise at Speaker input
SOLIDAS Artist SOLIDAS Stage
Acoustic product signal A
Circuit block
Example of a typical configuration with voice IC speaker output.
block design data design data Speaker input
signal B
Integrated Development Micro
computer
Designing the connection between logical and physical I/F Speaker
Dedicated drive status
analog power
ファイル 編集 表示 実行 ツール ヘルプ
Sound Flow Design プロパティ supply
モジュール 信号端点 データタイプ データ形式 クロックドメイン
Sound Input[0] Ch.1 Sound PCM[Int16] Clock0
Sound Input[0] Ch.2 Sound PCM[Int16] Clock0
Sound Input[0] Ch.3 Sound PCM[Int16] Clock0
Sound Input[0] Ch.4 Sound PCM[Int16] Clock0 This audio output software is separately commercialized as "CRI D-Amp Driver".
Solid Craft - Design Binder
Our proprietary drive system uses a fully digital connection to the speakers,
Circuit Connection Design
モジュール 信号端点 データタイプ データ形式 クロックドメイン
I2S[0] Data-In[Ch.L] Sound PCM[Int16] Clock0
I2S[0] Data-In[Ch.R] Sound PCM[Int16] Clock0
I2S[1] Data-In[Ch.L] Sound PCM[Int16] Clock0 resulting in low noise and Hi-FideIity output of the original sound.
I2S[1] Data-In[Ch.R] Sound PCM[Int16] Clock0
Low noise
SOLIDAS Director Production Significantly less
Firmware noise than consumer mastering-grade
headphone amplifiers, professional amplifier consumer headphone
Product Board and as low as that of amplifiers
a mastering-grade
professional amplifier,
with noise at the limit
3 Audio Signal Processing“ CRI DSP” of measurement
measurement limit
Select the audio signal processing function“ CRI DSP” that best suits your product and Floor Noise
realize it on a single chip.
High Fidelity
Example Functions Examples of requests
Compared to a typical typical Class-D amplifier
Echo canceller Equalizer ・Controls the sound from the microphone to prevent feedback Class-D amplifier
・Adjusts the balance and frequency components of each input sound (shown on the right),
Noise canceller Compressor source to make it easier to hear the waveform,
especially at bass
Various acoustic ・Removes noise components from the input sound Output waveform
Gain controller frequencies, is with square wave
correction processes ・Restores distortions in the impulse response to correct muffled sounds accurate, resulting in
・Uses third-party audio signal processing to reproduce the same sound Hi-FideIity playback.
3rd party audio signal processing function as before 80Hz 10dB No-LPF 80Hz 10dB No-LPF