Slide 1: Array Microphone Digital Noise Reduction and Echo Cancellation Technology
Array Microphone Digital Noise Reduction and Echo Cancellation Technology for OEM Digital Signal Processors May 2014 1
Slide 2: About Andrea Electronics
About Andrea Electronics Andrea Electronics founded in 1934 Public corporation since 1961 Pioneered microphone/headset technology for IBM speech recognition and shipped 10’s of millions of units (1995) First company to create an Array Microphone for the PC and Automotive industry (2001) Sh
Slide 3: Andrea Array Solutions in the PC Industry
Andrea Array Solutions in the PC Industry OEM Hardware Creative Labs Web Cameras IBM ThinkPad Accessory Samsung Tablet PC Creative Live Cam Samsung Q1 Ultra Mobile PC Optia Pro IBM Ultraport Embedded Software Microphone Asus, Intel, Dell, and HP - Over ½ Billion units shipped Creative Live Cam Voice
Slide 4: PureAudio Noise Reduction
PureAudio Noise Reduction Andrea’s PureAudio™ patented and award winning noise reduction speech enhancement algorithm significantly improves intelligibility of voice audio and accuracy in speech driven applications, particularly in high noise environments. Patented noise reduction speech enhanceme
Slide 5: DSDA Adaptive Beam Forming
DSDA Adaptive Beam Forming Andrea’s patented DSDA™ (Digital Super Directional Array) adaptive beam forming system powers Andrea’s stereo microphone system which enables more intelligible audio by forming a beam toward the speaker and eliminating background noises that are outside of the beam. Supe
Slide 6: EchoStop Acoustic Echo Cancellation
EchoStop Acoustic Echo Cancellation Andrea’s patented EchoStop™ provides a full duplex acoustic echo cancellation algorithm enabling both speaker to broadcast and microphone to transmit simultaneously turning your audio system into a high quality speakerphone. Filters have been tightly integrated
Slide 7: EchoStop Acoustic Echo Cancellation Performance
EchoStop Acoustic Echo Cancellation Performance No Filters: EchoStop with PureAudio: This test is with all filters turned off. It is This test has both EchoStop and PureAudio used as a baseline for determining the turned on. The amount of echo amount of noise cancellation. cancellation is 30 dB. And
Slide 8: EchoStop Acoustic Echo Cancellation Performance
EchoStop Acoustic Echo Cancellation Performance EchoStop with DSDA and PureAudio: This test has EchoStop, DSDA and PureAudio turned on showing clean signal intelligibility. Memory Filters MIPS Code Data PureAudio 5 4500 2300 EchoStop/PA 28 14500 6700 EchoStop/DSDA2/PA 75 20500 15000 These numbers ar
Slide 9: Examples of OEM Embodiments
Examples of OEM Embodiments GM Cadillac XLR (OnStar) Embedded Digital Array Microphone Voice Activation and Telephone Communication Andrea Electronics Confidential Andrea Electronics - Confidential 9
Slide 10: Visteon TACNET
Visteon TACNET DA-350 Digital Array Microphone Voice Activation and Radio / Telephone Communication Andrea Electronics Confidential Andrea Electronics - Confidential 10
Slide 11: Clever Devices
Clever Devices SpeakEasy 2 Array Microphone Technology Internal and External Digital PA System Andrea Electronics Confidential Andrea Electronics - Confidential 11
Slide 12: Marconi ViPr System
Marconi ViPr System Digital Array Microphone and Stereo Echo Cancellation System Advanced Audio / Video Conferencing Andrea Electronics Confidential Andrea Electronics - Confidential 12
Slide 13: Analog Devices / Asus SoundMAX Array
Analog Devices / Asus SoundMAX Array Integrated PC Audio, Stereo Array Microphone Voice Recognition and Internet Telephony (Shipped Approximately 1,000,000 Units To Date) Andrea Electronics Confidential Andrea Electronics - Confidential 13
Slide 14: Gentex Smart-Sync Mirror
Gentex Smart-Sync Mirror Embedded Stereo Digital Microphone and Echo Cancellation for Bluetooth Phone Connectivity Andrea Electronics Confidential Andrea Electronics - Confidential 14
Slide 15: HP TouchSmart PC
HP TouchSmart PC Embedded Stereo Array Microphone Command and Control Speech Recognition Voice Over Internet Telephony Andrea Electronics Confidential Andrea Electronics - Confidential 15
Slide 16: Internet Connected Devices
Internet Connected Devices Embedded Stereo Array Microphone Command and Control Speech Recognition Voice Over Internet Telephony Tested & recommended by ATT/ Watson Speech Group Andrea Electronics Confidential Andrea Electronics - Confidential 16
Slide 17: Thank you!
Thank you! FOR PRODUCT INFORMATION AND MORE Visit: www.AndreaElectronics.com Email: dandrea@andreaelectronics.com Andrea Electronics Confidential Andrea Electronics - Confidential 17