COMPANY PRESENTATION 2019
Alango’s global footprint • Software for sound enhancement • Over 15 years of practical experience in DSP audio engineering HQ, R&D: Haifa, Israel • 35 Alango employees in Israel & Russia offices • Sales offices in China, Korea, Japan, Taiwan, Singapore R&D: St. Petersburg, Russia 2 Alango Technologies – Company Presentation 2019
over 50 million product licenses sold as of 2019 3 Alango Technologies – Company Presentation 2019
Alango software enhances sound for… Voice Speech Hearing Music and Audio Communications Recognition Playback 4 Alango Technologies – Company Presentation 2019
Key Fields of Operation Mobile Wearables & Accessories Hearables Hearing Mobile Enhancement Automotive Smart Home Laptops & HD Audio Tablets Conferencing 5 Alango Technologies – Company Presentation 2019
Selected Customers 6 Alango Technologies – Company Presentation 2019
IP Partners 7 Alango Technologies – Company Presentation 2019
Alango voice technologies Dual and Acoustic Dynamic Adaptive Multiband Automatic Multi- Echo Noise Wind Noise Dynamic Gain Microphone Cancellation Suppression Reduction Range Control Arrays Processing Automatic Real-Time Acoustic In-Ear Bone Voice Volume & Speech Feedback Microphone Conduction Activity Equalization Tempo Reduction Processing Sensor Detection Control Modification Processing ...and more! ► For more information on these technologies, see the Appendix section at the end of this slide deck. 8 Alango Technologies – Company Presentation 2019
Alango audio enhancement technologies Music Automatic Multiband Loudspeaker Enhancement Volume & Dynamic Frequency Equalization Range Response + Stereo Control Processing Correction + Spectrum + Bass Environmental Sound Effect Mono to Audio Normalization Stereo ...and more! Transparency Conversion ► For more information on these technologies, see the Appendix section at the end of this slide deck. 9 Alango Technologies – Company Presentation 2019
Why work with Alango? Our technologies are field proven Over 40 million products in the field use Alango technologies Our DSP blocks are versatile and flexible We solve sound engineering problems by quickly creating or efficiently adapting technologies and DSP blocks Our algorithms are easy to tune With extensive tools and documentation to ease integration and optimize performance Our software is efficient Low computational footprint on a wide range of supported platforms 10 Alango Technologies – Company Presentation 2019
Thank You! Don’t hesitate to contact us. We are always looking forward to hearing from you! Email us your questions, comments, thoughts, or proposals: info@alango.com General enquires sales@alango.com Sales enquiries tech@alango.com Engineering enquiries Main office: +972 (4) 8580 743 Fax: +972 (4) 8580 621 Web: alango.com
Appendix Voice technologies Multiband Dynamic Range Processing Voice Activity Detection EasyListen™ OnlyVoice™ Dynamic Noise Suppression Audio enhancement technologies Wind Noise Reduction Acoustic Echo Cancellation ListenThrough™ Acoustic Feedback Reduction MuRefiner™ Adaptive Dual Microphone Automatic Volume and eQualization Control Multi-Microphone Arrays Loudspeaker Frequency Response Correction Automatic Volume and eQualization Control Multiband Dynamic Range Processing Automatic Gain Control Sound Effect Normalization 12 Alango Technologies – Company Presentation 2019
Alango voice technologies EasyListen™: Real-Time Speech Tempo Modification Real-time audio processing technology that slows incoming speech, making it more intelligible. Works by dynamically stretching (slowing) certain parts of speech—while adding no noticeable overall delay. Back to Appendix 13 Alango Technologies – Company Presentation 2019
Alango voice technologies OnlyVoice™: In-Ear Microphone Processing Enables robust voice pickup in boom-less or short-boom headsets by exploiting benefits of SNR advantages of an in- ear microphone signal. Works by intelligently mixing internal (in-ear) microphone pickup with external mic array pickup to maximize voice intelligibility. Back to Appendix 14 Alango Technologies – Company Presentation 2019
Alango voice technologies Dynamic Noise Suppression Reduces stationary and dynamic noises (e.g. approaching car) in single-channel speech signals without noticeable artefacts. Dynamic Noise Suppression increases the signal- to-noise ratio and improves speech intelligibility thus reducing listening fatigue. Back to Appendix 15 Alango Technologies – Company Presentation 2019
Alango voice technologies Wind Noise Reduction (WNR) Automatically detects and attenuates wind noise while preserving clear speech. WNR uses sub-band processing to filter out wind noise in affected frequency regions leaving “good” frequency regions untouched. Back to Appendix 16 Alango Technologies – Company Presentation 2019
Alango voice technologies Acoustic Echo Cancellation (AEC) Eliminates acoustic coupling between speaker and microphone, allowing high-quality, full-duplex voice communication without echo. Alango AEC technology supports mono and stereo echo cancellation with very fast adaptation times. Alango AEC includes highly efficient, sub-band Acoustic Echo Suppressor Back to Appendix 17 Alango Technologies – Company Presentation 2019
Alango voice technologies Acoustic Feedback Reduction Alleviates acoustic feedback by using sub-band adaptive filtering, noise and howling suppression, and quasi- proportional frequency shifting. Back to Appendix 18 Alango Technologies – Company Presentation 2019
Alango voice technologies Adaptive Dual Microphone Creates a directional or noise-canceling microphone using just two omnidirectional microphones. Adaptively changes mic directionality to achieve best possible noise reduction. Includes adaptive wind noise suppression. Allows optional microphone calibration during the production. Back to Appendix 19 Alango Technologies – Company Presentation 2019
Alango voice technologies Multi-Microphone Arrays Multi-microphone adaptive beamforming with 2 or more microphones. Allows multi-beam configurations and sound of arrival detection. Robust to wind noises. Back to Appendix 20 Alango Technologies – Company Presentation 2019
Alango voice technologies Automatic Volume and eQualization Control Improves perceptual loudness and intelligibility of voice in dynamic environment with changing noises. Works by automatically amplifying and equalizing sounds in response to ambient noise characteristics. Back to Appendix 21 Alango Technologies – Company Presentation 2019
Alango voice technologies Automatic Gain Control Used in conjunction with Dynamic Range Processing to amplify a weak voice signal. To reduce noise pickup, gain is applied only when user voice activity is detected. Back to Appendix 22 Alango Technologies – Company Presentation 2019
Alango voice technologies Multiband Dynamic Range Processing Adjusts the dynamic range of an audio signal by • splitting into frequency sub-bands, • processing each band according to specified characteristics, and • synthesizing the resultant signal. Back to Appendix 23 Alango Technologies – Company Presentation 2019
Alango voice technologies Voice Activity Detection Differentiates between voice and ambient noises in an acoustic signal, enabling low-power operation of always-on devices. The VAD block acts as a low-power “watchdog,” alerting the system to use heavier processing blocks only when the user’s voice is detected. Back to Appendix 24 Alango Technologies – Company Presentation 2019
Alango audio enhancement technologies ListenThrough™: Environmental Audio Awareness Improves situational awareness for stereo headset users Important external sounds are emphasized to avoid masking by music, while ambient noise is filtered out. Back to Appendix 25 Alango Technologies – Company Presentation 2019
Alango audio enhancement technologies MuRefiner™: Music Enhancement An integrated set of DSP technologies to enhance the audio experience in music and entertainment applications, including: • stereo expansion (normalization) • spectral enhancement, • bass correction and amplification Back to Appendix 26 Alango Technologies – Company Presentation 2019
Alango audio enhancement technologies Automatic Volume and Equalization Control Increases the perceived loudness and clarity of music being played in noisy environments. Works by adaptively amplifying and equalizing the music in response to changing ambient noise characteristics. Back to Appendix 27 Alango Technologies – Company Presentation 2019
Alango audio enhancement technologies Loudspeaker Frequency Response Correction Corrects loudspeaker amplitude and phase responses for reproducing natural sound. Back to Appendix 28 Alango Technologies – Company Presentation 2019
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