SRS style 3D surround (no pre-encoding required)
Advanced feedback cancellation
Superior sound source localization control
Simple and light - optimized for minimum computing power
condition
NeoFidelity proprietary virtual sound field processing
Any combination of 2/5/6/8 channel input and 2/3/4/5/6/7/8
channel output is possible
Various sound field mode (hall, stadium, church...etc)
Realistic modeling of early relection and natural reverberation
User-friendly controllable parameters
Well suited to internal or external memory use
Other algorithms
Graphic/Parametric EQ
Tone control
Loudness control
DRC(Dynamic range compression and expansion)
AGC(Automatic gain control)
Loudspeaker distortion canceller
Various sound effects such as echo, chorus, phaser, etc
DSP Hardware platform design
Available audio functions
I/O Drivers using DSP/BIOS SIO
Standard Decoder Algorithms -
Dolby Digital 5.1 -
Digital Theater Sound DTS 5.1/ES Discrete/9624 -
MPEG-2 AAC - Noise Generator
Standard ASP Algorithms: -
Dolby Pro Logic I/II -
Dolby Digital EX -
Dolby Headphone/Virtualizer -
DTS ES Matrix/Neo:6 -
THX Ultra/Ultra 2 -
Delay Management, Volume Control -
Bass Management - FIL
: filter building blocks (FIR/IIR)
Encoding Algorithms: -
PCM
AVR platform features
Device Input - Infrared
remote-control sensor -
Rotary encoder& push buttons
LCD - Display status
information
Video - OSD -
Video Switch
Audio Input - Analog
In - Digital In: S/PDIF
- Audio Output -
Line analog out - Speaker
out - Digital out: S/PDIF
< Using DSP AVR platform
design >
TI DSP design house
TI사의 오디오 DSP인 TMS320DA6x를 이용하여 오디오 시스템에 적합한 솔루션과 기술지원,
기술컨설팅 등을 제공한다.
Technical support
Digital audio processing algorithm design
Full digital amplifier processor design
Digital amplifier module design
Digital audio related system design
Cost vs. performance
DA6x 시리즈 비교표
DA610
DA601
DA607
DA605
225mhz
180mhz
180mhz
180mhz
EMIF Clk
100mhz
100mhz
75mhz
N/A
EMIF bus width
32/16(QFP)
32/16(QFP)
8
0
ROM
512KB
512KB
512KB
512KB
RAM
256KB
128KB
160KB
160KB
Mem Arch
L1/L2
L1/L2
L1/L2
L1/L2
McASP
2(w/DIT)
2(w/DIT)
2(w/DIT)
2(w/DIT)
McASP Data Pins
16
16
10
10
HPI
1
1
0
0
McBSP
2
2
1(SPI)
1(SPI)
12C
2
2
0
0
GPIO
2
2
2
2
GPIO Pins
32
32
24
24
Timer
2
2
2
2
Timer Pins
4
4
0
0
Voltage
1.14-1.32v
1.14-1.32v
1.14-1.32v
1.14-1.32v
Temperature
Ta=0 to 70C Tj=95C
Ta=0 to 70C Tj=95C
Ta=0 to 70C Tj=95C
Ta=0 to 70C Tj=95C
Package
272PBGA/208TQFP
272PBGA/208TQFP
144TQFP
1448TQFP
TMX Sample
N/A
N/A
Now
8/2003
TMS MP
Now
Now
9/2003
9/2003
* Clock speeds are measured in commercial
temperature range (-40 ~ 85C)
네오피델리티(주)
주소 : 서울 구로구 구로동 212-30 에이스트윈타워2 1009호, 우편번호 : 152-766
Copyright ⓒ 2004 NeoFidelity, Inc. Email : info@neofidelity.com,
Tel : 02-6675-1100
Digital audio signal processing
algorithm
NeoFidelity proprietary 3D surround algorithm
SRS style 3D surround (no pre-encoding required)
