The World Leader in High-Performance Signal Processing Solutions. February, 2008

Transcription

1 The World Leader in High-Performance Signal Processing Solutions February, 008

2 Audio Specific DSP Small Core + HW accelerators High Quality processing 8/56-Bit High Precision Core Easy to use, graphical tools Tailored to Analog + DSP engineers On-Board Converters Provides full System solution

3 SigmaDSP in production (examples): 4-ch ADC AD1940 SigmaDSP 75 MHz 10ms Delay 8-ch DAC AD1938 DSP Amplifier In Production in Major -US - European - Japan Car models 3

4 Broad, Best-In-Class DSP Portfolio for High Performance Audio Performance Blackfin Media Enabled Image compression Micro + DSP Telematics Biometrics SigmaDSP Audio Optimized SHARC Low-Cost Floating Point Premium Audio Infotainment Industrial Audio For Audio Analog Engineers Automotive, Portable, Consumer SigmaStudio Easy to Use GUI 4

5 Basic block diagram of audio system UI-Buttons LED, Knobs Sigma-DSP EEPROM ADC DSP DAC Line-in Line-out ADAU1701 ADAU170 HDD Flash CD DVD 5

6 SigmaDSP Processors 00 Processor Speed (MHz) AD1953 AD194x ADAU1701 ADAU1401 ADAU170 0 Released 1st Gen nd Gen 6

7 SigmaDSP Products & Features AD1953 AD1940/ AD1941 ADAU1701 ADAU170 ADAU1401 Speed (MHz) Data RAM (kb) ADCs/ DACs 0/3 0/0 /4 /4 /4 Analog Perf. 11 db 100 db 100 db 100 db Digital I/O 4/6 16/16 8/8 8/8 8/8 Aux ADCs 8-bit 8-bit 8-bit GPIOs Selfboot ASRCs Auto Qual Status Released Released Released Released Released Core Generation: 1 st nd 7

8 SigmaStudio Enables Differentiating Audio Features with Rapid Time to Market Fully-graphical development of runtime DSP code Production-ready code Automatically compiles Easy to use Enables shorter development time Reduced time-tomarket Optimized audio for specific acoustics Allows changes at the last minute Sigma-Studio 8

9 SigmaStudio: Standard Algorithms Filters EQ Tone Control Crossover Loudness Bass Enhancement Bass Management Dynamic Bass Boost Post Processing Dynamics Processing (Pro Grade) Delay management Mixers / Volume Control Sources Tone Generators Noise Generators Sweeps Advanced Algorithms Stereo Separation for microphones Midnight Mode Automatic Volume Control (AVC) Room Effects Delay Reverb Chorus Spatializers/Virtualizer/Surround Phat Stereo ADI Surround ADI Virtual Signal Display Spectrum Analyzer VU Meter 9

10 SigmaStudio Third-Party Algorithms Drag-and-drop Ready Released and certified Dolby SRS Audistry Waves izotope BBE DAEP Sound Space Enhancer Sound Space for HP Natural Bass Intelligent Volume Control Adaptive Noise Reduction 10

11 SigmaStudio 3.0 now released! 11

12 ADAU1701/170: Core Audio Processors -ch Analog Input FILTA / IDAC 3.3V + R/C 1.8V Regulator -ch ADC Reset 16-ch/ digital Mode select Input Reset Boot-Mode Digital V DD Writeback Trigger I C/SPI Interface SPI/IC Interface or Selfboot Package Digital GND 3 3 Address 48-Lead, LQFP (7x7mm) 0 to +70 C Operation Analog V DD SigmaDSP 15MHz 00ms delay memory SPI/IC 8-ch Interfa digital Input ce text Analog GND 3 3 Status Released PLL Modes I/O Matrix PLL PLL FLTR 16-ch 8-ch digital Output SCL/SDA SPI/IC AUX Interfa ADC (8 ce bit) Digital-In or GPIO SPI/IC Interfa GPIO ce AUX ADC or GPIO Digital-Out or GPIO Crystal Clock -ch 4-ch DAC Pricing ADAU1701: 1k ADAU170: 1k D-FLTR / CM 4-ch Analog Output KEY FEATURES 8/56-Bit DSP ADAU MHz core 40 ms Delay Memory ADAU170 5 MHz core 10 ms Delay Memory 48/96/19kHz operation -ch ADC 100 db SNR & DNR -85 db THD+N 4-ch DAC 104 db SNR & DNR -90 db THD+N 8-ch digital In/Output I C/SPI or selfboot Control interface for HW Buttons / Potentiometers Regulator 3.3V1.8V 1

13 ADAU1401: Automotive Audio Processor -ch Analog Input FILTA / IDAC 3.3V + R/C 1.8V Regulator -ch ADC Reset 16-ch/ digital Mode select Input Reset Boot-Mode Digital V DD Writeback Trigger I C/SPI Interface SPI/IC Interface or Selfboot Package Digital GND 3 3 Address Analog V DD SigmaDSP 15MHz 00ms delay memory SPI/IC 8-ch Interfa digital Input ce text Analog GND 3 3 Status PLL Modes I/O Matrix PLL PLL FLTR 16-ch 8-ch digital Output SCL/SDA SPI/IC AUX Interfa ADC (8 ce bit) Digital-In or GPIO SPI/IC Interfa GPIO ce AUX ADC or GPIO Digital-Out or GPIO Crystal Clock -ch 4-ch DAC D-FLTR / CM 4-ch Analog Output KEY FEATURES 8/56-Bit DSP ADAU MHz core 40 ms Delay Memory 48/96/19kHz operation -ch ADC 100 db SNR & DNR -85 db THD+N 4-ch DAC 104 db SNR & DNR -90 db THD+N 8-ch digital In/Output I C/SPI or selfboot Control interface for HW Buttons / Potentiometers Regulator 3.3V1.8V 48-Lead, LQFP (7x7mm) -40 to +105 C Operation Released 13

14 SigmaDSP: Driving SOC systems E PROM User interface -ch ADC Boot + Control Interface Oscillator 4-ch DAC -ch Class-D 1-ch Class-D ADAU1701 Integrates all audio processing and system control functions System-On-Chip SigmaStudio enables flexible signal flow quick time-to-market 14

15 Analog versus Digital solution: Once one crosses the border a lot more Bang for the Buck $$$ (total cost of solution) Analog solution $ ADAU170 Additional processing power But no extra cost ADAU1701 Performance (e.g. how many Filters) 15

16 ADAU1701/170 Core-Audio processor (fully integrated) Speaker EQ?-poles per speaker (to adjust sound) Special algorithms (e.g. Bass Enhancement) Dynamic compression Limiting (to prevent clipping) Licensed Algorithms (e.g SRS, Dolby etc.) User Controls Analog in 16 No μc required User interface ADC E PROM boot Interface SigmaDSP ADAU1701/170 oscillator DAC DAC Analog out Target Applications: MP3 player accessories Advanced TVs Home Stereo systems Car Radios Public Anouncement Resonance Freq. Compensation

17 SigmaDSP in a Subwoofer Application Advantages: Subwoofer can be tuned with SigmaStudio One common hardware platform can serve multiple products More sophisticated processing BOM: ADAU170 User Controls (Pots, Switches) 8k EEPROM Power Amplifier Boot EEPROM Input ADAU170 Audio Processor Power Amp User Controls 17

18 SigmaDSP Evaluation Systems Mini Eval Board ADAU1701 (SigmaDSP codec) SSM306 (Stereo W Class-D Amp) Stereo Input 4-ch Output line level, two amp outputs USBi USB interface board Order # EVAL-ADAU1701MINIBZ Great Starter & Demo Kit 18

19 Support If you have a question FIRST search: the DSP datasheet the Evaluation Board datasheet the NEW SigmaDSP online FAQ: No Luck? us at: SigmaDSP@analog.com 19