hear' & now: software integration for the qualcomm snapdragon audio feature
DESCRIPTION
The session combines live demos, how-to info and third-party presentations on how they’ve taken advantage of powerful audio capabilities in the Qualcomm® Snapdragon™ processor, a product of Qualcomm Technologies, Inc. Learn how to use hardware/software integration to provide pro-quality audio processing solutions customized for differentiated listening experiences. View this presentation on YouTube: https://www.youtube.com/watch?v=bPrqdqUVyyw&list=PLxeazpXYyqtNm2EnCbfSzy7aKOkHjiaSi&index=18TRANSCRIPT
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1 ©2013-2014 Qualcomm Technologies, Inc. and/or its affiliated companies. All Rights Reserved.
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‘Hear’ & Now Qualcomm® Snapdragon™ Audio
Ravi Satyanarayanan, Director Product Management, Qualcomm Technologies, Inc. Tony Rodriguez, CTO, Digimarc Richard Kjerstadius, Director, DSP Software, Opalum
Qualcomm Snapdragon is a product of Qualcomm Technologies, Inc.
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3 ©2013-2014 Qualcomm Technologies, Inc. and/or its affiliated companies. All Rights Reserved.
‘Hear’ & Now: Snapdragon Audio
User Experience
1 Ecosystem Enablement
2 Digimarc
Watermark Detection
3 Opalum
Speaker Protection
4
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4 ©2013-2014 Qualcomm Technologies, Inc. and/or its affiliated companies. All Rights Reserved.
Audio user experience Enhancing and expanding the phone experience
Camcorder
Entertainment
Natural user interaction
Voice call
Music playback
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5 ©2013-2014 Qualcomm Technologies, Inc. and/or its affiliated companies. All Rights Reserved.
Voice call. Hear. And be heard. Voice enhancement technology for clearer conversations
©2013-2014 Qualcomm Technologies, Inc. and/or its affiliated companies. All Rights Reserved.
• Fluence & Fluence Pro noise cancellation technology echo cancellation and noise suppression
• Freedom to hold the phone how you want
− Landscape or portrait speakerphone
− Handset
• Hear your conversation & not the background sound
− Active Noise Cancellation to suppress noise around you
− Automatically amplify speech relative to background sound
• HD Voice in all calls
• Reduce noise on the incoming calls
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6 ©2013-2014 Qualcomm Technologies, Inc. and/or its affiliated companies. All Rights Reserved.
Music playback Hear music as the musicians intended
6
• Hi-Fi audio at the same quality as studio masters
- High quality WCD codec
- End-to-end 24bit / 192kHz
• Listen all day with low power playback on the DSP
• Active Noise Cancellation to hear only what you want to hear
©2013-2014 Qualcomm Technologies, Inc. and/or its affiliated companies. All Rights Reserved.
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7 ©2013-2014 Qualcomm Technologies, Inc. and/or its affiliated companies. All Rights Reserved.
Home theatre on-the-go Enjoy the same surround sound available in home theaters wherever you are
7
• Virtual surround sound over headphones to bring the immersive experience with you
• Big booming sound
- Bigger bass, clearer vocals, louder sounds
• Collaborations with industry leaders: Dolby, DTS
©2013-2014 Qualcomm Technologies, Inc. and/or its affiliated companies. All Rights Reserved.
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8 ©2013-2014 Qualcomm Technologies, Inc. and/or its affiliated companies. All Rights Reserved.
Camcorder Capture what you want to hear
• Capture what you see with Sound Focus
- Suppress unwanted noise from outside of the field of view
• Audio zoom when the camera zooms in
• Surround Sound Record for the Full HD / 4K camcorder experience
• High quality audio, with high dynamic range
©2013-2014 Qualcomm Technologies, Inc. and/or its affiliated companies. All Rights Reserved.
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9 ©2013-2014 Qualcomm Technologies, Inc. and/or its affiliated companies. All Rights Reserved.
Voice natural user interface
• Always on, low power voice activation
- No need to press a button to interact with your device
- Launch applications and give commands quickly
• Activate & Unlock in one step
- No need to enter a PIN
• Hands free operation with Fluence
- Drive mode
©2013-2014 Qualcomm Technologies, Inc. and/or its affiliated companies. All Rights Reserved.
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10 ©2013-2014 Qualcomm Technologies, Inc. and/or its affiliated companies. All Rights Reserved.
‘Hear’ & Now: Snapdragon Audio
User Experience
1 Ecosystem
Enablement
2 Digimarc
Watermark Detection
3 Opalum
Speaker Protection
4
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11 ©2013-2014 Qualcomm Technologies, Inc. and/or its affiliated companies. All Rights Reserved.
Audio ecosystem
• Added on Snapdragon 810, 808
• Great for low latency, timing sensitive algorithms
• Speaker Protection by Opalum
Audio front-end Voice
Audio
3rd-party relationships for OEM differentiation
• End-to-end high-fidelity audio
– Native 24bit/192kHz framework
• Low power decode on Qualcomm® Hexagon™ DSP
• Snapdragon Voice Activation
• ISVs can enable similar solutions using the framework
Always on, low power
• DSP-accelerated voice codecs and ECNS for VoIP
• Hexagon Access Program support to add voice codecs and processing modules
Qualcomm Hexagon is a product of Qualcomm Technologies, Inc.
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12 ©2013-2014 Qualcomm Technologies, Inc. and/or its affiliated companies. All Rights Reserved.
How others add value, and find success
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13 ©2013-2014 Qualcomm Technologies, Inc. and/or its affiliated companies. All Rights Reserved.
‘Hear’ & Now: Snapdragon Audio
User Experience
1 Ecosystem Enablement
2 Digimarc
Watermark Detection
3 Opalum
Speaker Protection
4
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Qualcomm® Snapdragon SenseTM Audio + Digimarc Discover
Enabling Low-Power Always-On Contextual Awareness
Tony Rodriguez
Qualcomm Snapdragon Sense is a product of Qualcomm Technologies, Inc.
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— Slide 15 — ©2014 Digimarc Corporation
Digimarc
Vision and Mission • Enable mobile devices to see, hear, and understand by providing
digital identities for all media objects (Internet of Everything) Approach
• Lessons learned from the last decade of deployment (started w/DoJa & BrewTM):
• ‘Seeing & Hearing’ is a function of how fast, accurate and reliable the underlying object/media recognition algorithms are.
• Deterministic object recognition is significantly quicker, more accurate and reliable.
• Developers are best served when fast, reliable and accurate object recognition is available as a system service that minimizes bandwidth consumption and is always-on & low-power.
• 2013: Delivered Intuitive Computing Platform (ICP) to our retail, publishing and brand partners who have deployed apps to enable engagement with print, packaging, radio, etc.
BREW is a product of Qualcomm Technologies, Inc.
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— Slide 16 — ©2014 Digimarc Corporation
Digimarc Discover built on ICP: Enabling Shoppers Journey
• Digimarc® Discover app & SDK’s built on Intuitive Computing Platform.
• Enables object and media
recognition through all phases of Shopper’s Journey
• Discovery & transaction via mobile devices across all touch points of the Journey
• Digimarc® Barcode: Imperceptible
barcodes for CPG that can double throughput at front-of-store.
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— Slide 17 — ©2014 Digimarc Corporation
Examples: Publications, TV, Retail
Print to Digital Contextual Second-Screen Shopping
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— Slide 18 — ©2014 Digimarc Corporation
Deterministic Identification Powered by Digimarc ID’s
We can’t see or hear Digimarc ID’s, but mobile and wearable devices can
Digimarc ID
Original Digital Media
Digimarc ID Imperceptibly Embedded
Enabled Content
Music, Movies or Images
Television and Radio
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— Slide 19 — ©2014 Digimarc Corporation
Comparison of App Experience in Noisy Environment
• Digimarc Audio ID’s
effective in hostile environments.
• Accuracy maintained, no missed matches (deterministic)
• Developers can assign multiple ID’s, creating richer, contextually aware experience.
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— Slide 20 — ©2014 Digimarc Corporation
Digimarc Audio ID: Details
• Signal Construction • Weak signal in 120 Hz to 8 kHz
range, communicated via host audio (channel)
• Extensible & key based payload protocols
• Embedding
• Psychoacoustic principles and empirical analysis used to hide watermark
• Ambient Detection
• Spectral Processing • Payload Recovery
Technique Frequency Domain WM
Description Frequency Domain Spread Spectrum
Characteristics Watermark signal added to audio spectrum (frequency magnitude)
Payload Extensible 24 bit
Audio required for detection
1-3 Seconds
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— Slide 21 — ©2014 Digimarc Corporation
Porting to the Qualcomm® HexagonTM
Goal: People don’t have “ear-lids” – sound is the most pervasive and rich source of context in the human experience, our sub-conscious is continually (even when asleep) categorizing audio and applying policies on when and how to engage our consciousness. Mobile & wearable devices should do the same!
• Phase 1: Re-factoring (pipeline architecture), Fixed Point, Memory Reduction • Phase 2: Hexagon Port of Detector • Phase 3: Low-Power Activator Implementation
• Result: Developers able to create always-on contextually aware applications that are fast, reliable and accurate.
Qualcomm Hexagon is a product of Qualcomm Technologies, Inc.
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— Slide 22 — ©2014 Digimarc Corporation
Phase 1: Re-factoring Detector (Pipeline Architecture)
• Mobile implementation optimized for OS & application processor
• Each block re-coded, reducing memory consumption and functional granularity to aide in porting
• 8MB -> 256K Runtime
FFT Intermediate Accumulation Magnitudes
Spectral Filter
Final Accumulation Magnitudes
Normalize Magnitudes
For every 512 samples @ 16 Khz For each 1.024 second
CRC SNR Gating Decode Select Decode Candidates
Version Detection
For each 1.024 second For each 1.024 second + Scaling
Audio
Digimarc ID
Spectral Processing
Payload Recovery
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— Slide 23 — ©2014 Digimarc Corporation
Phase 2: Hexagon Port
Detector Application
Hexagon & Audio Codec
Audio
• Application reliant on High Level Operating System (HLOS) to retrieve audio samples and deliver to Detector
• Audio sampled at 16Khz but processed only once a second.
• Difficult for Application Processor cores to enter low-power state.
Codec
Application Processor
Digimarc Qualcomm Technologies Hexagon SDK
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— Slide 24 — ©2014 Digimarc Corporation
Phase 2: Hexagon Port
Detector Stub Application
Application Processor
Skel
Fast RPC
Stub
Detector
• Hexagon SDK to Port detector C++ source.
• Significantly reduced load
on Application Processor cores
• Utilized library of optimized functions for Hexagon (FFT, etc.)
• QAIC handled complexity of FastRPC marshaling
Audio
Codec
Hexagon & Audio Codec
Digimarc Qualcomm Technologies Hexagon SDK
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— Slide 25 — ©2014 Digimarc Corporation
Phase 3: Low-Power Activator
Detector Stub Application
Application Processor
Audio
Skel
Fast RPC
Stub
Codec
“Activator” S
ervice & P
olicy Engine
• Worked with Qualcomm Technologies to
build Activator and route audio from Codec • Eliminated need for HLOS to manage audio.
Hexagon & Audio Codec
Detector
Digimarc Qualcomm Technologies Hexagon SDK
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— Slide 26 — ©2014 Digimarc Corporation
Phase 3: Low-Power Activator
Detector Stub Application
Application Processor
Audio
Skel
Fast RPC
Stub
Detector Codec
“Activator” S
ervice & P
olicy Engine
• Worked with Qualcomm Technologies to
build Activator and route audio from Codec • Eliminated need for HLOS to manage audio.
• Policy Engine able to wake Application
Processor and invoke appropriate application when Digimarc Audio ID detected
• Network bandwidth consumed after object identification.
Hexagon & Audio Codec
Policy Engine
Digimarc Qualcomm Technologies Hexagon SDK
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— Slide 27 — ©2014 Digimarc Corporation
Phase 3: Low-Power Activator
Detector Stub Application
Application Processor
Audio
Skel
Fast RPC
Stub
Detector Codec
“Activator” S
ervice & P
olicy Engine
• Worked with Qualcomm Technologies to
build Activator and route audio from Codec • Eliminated need for HLOS to manage audio.
• Policy Engine able to wake Application
Processor and invoke appropriate application when Digimarc Audio ID detected
• Network bandwidth consumed after object identification.
• Result: Application Processor & RF allowed
to enter low-power state.
• Developers able to create always-on contextually aware applications that leverage the ubiquity of audio in our everyday lives
Hexagon & Audio Codec
Policy Engine
Digimarc Qualcomm Technologies Hexagon SDK
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— Slide 28 — ©2014 Digimarc Corporation
Conclusion : Snapdragon Sense Audio + Digimarc Audio ID’s
• People don’t have “ear-lids” – sound is the most pervasive and rich source of context in the human experience, our sub-conscious is continually (even when asleep) categorizing audio and applying policies on when and how to engage our consciousness.
• Mobile and wearable devices are now able to do the same, remain always aware and wake the
Application Processor as needed. • Able to maintain an always-on posture with no network dependencies – ramps power and
bandwidth consumption after identification has occurred (unique to Digimarc ID’s). • Enabled by Snapdragon Sense Audio & Digimarc Audio ID’s that provide accurate, reliable context. • Result: Accurate and application specific context can be incorporated in all sources of audio.
• Applications enabled for developers: Retail, Second-Screen, Indoor Location, Radio, Concerts, etc.
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©2014 Digimarc Corporation
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30 ©2013-2014 Qualcomm Technologies, Inc. and/or its affiliated companies. All Rights Reserved.
‘Hear’ & Now: Snapdragon Sense Audio
User Experience
1 Ecosystem Enablement
2 Digimarc
Watermark Detection
3 Opalum
Speaker Protection
4
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© 2014 Opalum AB
High-End audio from constrained devices
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© 2014 Opalum AB
Agenda
• Trends in Mobile Audio • Opalum Overview and Tech • Collaboration with Qualcomm Technologies • What’s next?
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© 2014 Opalum AB
Trends in Mobile Audio
• Maximizing loudness and bass – Power doesn’t kill a speaker – Pushing the limits on thinner form-factors
• Multi-channel audio goes mobile – Virtualization techniques for movies and games. – Parametric audio
• Reducing power consumption – “Always on” features demand DSP core offloading – Increasing level of integration into main chipset – Other ways of reducing power consumption?
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© 2014 Opalum AB
Overview and Tech
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© 2014 Opalum AB
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© 2014 Opalum AB
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© 2014 Opalum AB
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© 2014 Opalum AB
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© 2014 Opalum AB
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© 2014 Opalum AB
Collaborating with Qualcomm Technologies
• Seamless integration between LabSuite and Snapdragon • Audio tuning lead-time drastically reduced • Working with the Hexagon tools • Dynamic loading enables really cool android app possibilities
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© 2014 Opalum AB
What’s Next?
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© 2014 Opalum AB
For more information on Qualcomm, visit us at: www.qualcomm.com & www.qualcomm.com/blog
©2013-2014 Qualcomm Technologies, Inc. and/or its affiliated companies. All Rights Reserved. Qualcomm, Snapdragon, Hexagon, Brew and Fluence are trademarks of Qualcomm Incorporated, registered in the United States and other countries. Uplinq and Snapdragon Sense iaretrademarks of Qualcomm Incorporated. All Qualcomm Incorporated trademarks are used with permission. HY-FI is a trademark of Qualcomm Atheros, Inc., registered in the United States and other countries, used with permission. Other products and brand names may be trademarks or registered trademarks of their respective owners.of their respective owners. References in this presentation to “Qualcomm” may mean Qualcomm Incorporated, Qualcomm Technologies, Inc., and/or other subsidiaries or business units within the Qualcomm corporate structure, as applicable. Qualcomm Incorporated includes Qualcomm’s licensing business, QTL, and the vast majority of its patent portfolio. Qualcomm Technologies, Inc., a wholly-owned subsidiary of Qualcomm Incorporated, operates, along with its subsidiaries, substantially all of Qualcomm’s engineering, research and development functions, and substantially all of its product and services businesses, including its semiconductor business, QCT.
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