DSP Applications

Body Sensor (Human Body Detector)

for P21K, P25K series

Method : I

    Method : It based on DSP internal AD converter with built-in High Gain OP and connected-outer high frequency
radio oscillator , to detect body access signal and with this output level to trigger user application like smart
    door bell, simple security unit, intelligent toys … etc.
    Connection :

A : Sensor : use a 3×3 cm metal peice of copper
      or conductive wire to receive object approach
      signal.
B : Detective Signal Oscillator.
C : DSP board (DSP Emulation board, only
      for demo, normally use one chip only.

Instruction :

    1. According to the schemetic diagram, connect to the sensor signal oscillator wire
( each  AD Channel can connect 1 to 8 items, and depend on user programming. )

    2. The output signal of the detective oscillator connects to the DSP board AD input connector.

    3. Execute “BDSN.asm” program, the output data in register A =Ø -FFh responds the sensor signal of body
access value.

    4. Use the sensor signal data to trigger user application like alarm or drive motor action.

    5. Activity range : the distance of the sense range is about 10 ~15 cm.
　

Application :

1. Electronic pet: for owner’s touch or beat motion detection.

2. Security alarm : non-touch sensor for human access detection.

3. Smart door bell: to auto detective door access and can be connect with MIDI engine to play a notify music.

Sound Radar (Voice Source Azimuth)

for P25K series

Method :
   Use DSP phases synchronous array MIC to trace voice source azimuth, and calculate the voice source azimuth
   angle output for user application.

   Connection:

   Instructions:
    1. Connects MIC-R / L to get the relative phase differential signal, it similar to human ears which to recognize
        the voice source theory.
    2. Execute "SndRadar.asm" program to start and detect voice source. It will output the phase angle in
        Ø~FFh to response the Ø~180° phase value when voice triggered.
   3. Because of the output value is only the AD phase differential data, it need to convert to the angle degrees
      by user definition.
   4. It can combine with the voice-recognition function for more intelligent applications.

    Application Reference:
    1. Electronic pet : like electronic cat, electronic dog, more smart and artificial intelligent toys.
      2. Smart toy : auto hunting tank or combat robot.

MIDI Engine (Music Generator)

for P21K, P25K Series

To perform MIDI music effect with the software MIDI engine, user need pre-edit the compose music file and play it.
Application for toys and all kinds of products for MIDI music supports.

V.R.E. (Voice Recognition Engine)

for P25K series

	S.D. Speaker Dependent Tech : can application for voice recognition dialer , voice recognition toys.
	S. I. Speaker Independent Tech : short vocabulary for 10 words of user pre-programming database.

Voice Processing Utilities

for P21K, P25K Series

ADPCM、WFM sound effect compress / decompress engine, all based on software package,
no need to add any additional components.
( All DSP series support ADPCM 4-bit or WFM 2-bit real-time sampling and data modulation function. )

Communication Software Package (Software kit)

for P21K, P25K series

DSP for RS-232 (serials bus) / Printer Port (parallel bus) program library for PC Windows
System RS-232 supports for 4800 / 9600 / 19200 bps (bit) Parallel setup based on PC timer setup, P25K max transfer rate= 45 KBPS (Bytes)

Cellular phone decoding chip

for P21K, P25K series

All kinds of cellular phone dial-up and remote service by Primestar DSP chip external controlled.
( Function: DSP send dial-up number string and access cellular phone internal phone book for car kit or hand-free accessory products )

Hand-free for cellular phone accessory chip

for P25K series

Supports Echo Canceling and Noise Reducing technology for cellular phone Hand-free sets.
Features : Designed by DSP high speed F.I.R. ( finite impulse response )digital filter dynamic programming, high reliability, easy and fast for mass production, one chip design, no need any additional chip.

MP3 Processor ( Encoder / Decoder Chip )

for P25K series

Application for MP3 Player, support MP3 encording / decoding ( real-time / hardware processing, two DSP architecture, All-In-One chip design. )

( Scheduled in 2002. )

Electronic Compass Module

ASIC product

	All solid state electronic chip design to output absolutely azimuth angle data, according to the earth magnetic field by magnetism sensor + P21K DSP = Compass Module

Accelerator Chip / Module

ASIC product

Accelerator chip module is use for measurement object relative offset value in a clear space including 2D/ 3D
models ,2D X/Y , 3D X/Y/Z output,

Method : Base on micro device magnetism relative offset and exchange to distance by DSP chip.
Operation : The system work show as below blocks_

With market-value software / standard program library user notices :

   1. The above mentioned software kits are owned and developed by Primestar and/or 3rd party customers, Owner
       reserves all rights, and its sole discretion, to change, to post ( web site based ), to modify, add / or remove
       any portion of the software, in whole or in part is not allowed,
   2. Terms of license service: In order to speed up customer’s product developing lead time, Primestar will allow
      user to use the software package in part of items with our permission, Primestar will refund the license fee
       to customer after mass production stage, in the development stage customer need deposit license fee to use
       this library to protect those private properties.

PRIMESTAR TECHNOLOGY CORPORATION	D.S.P. Application
	DSP Application List

DSP Product Application Introduction Updated : Dec / 04 / 2001 By Carolyn