Video Converter
Audio Converter
Image Converter
PDF Converter
File Compressor
pulseaudio in the embedded world arun raghavan collabora

PulseAudio In The Embedded World Arun Raghavan Collabora Multimedia - PowerPoint PPT Presentation

Sep 17, 2023 •853 likes •1.16k views

PulseAudio In The Embedded World Arun Raghavan Collabora Multimedia PulseAudio what and why? ALSA is a low-level API Need something more app-friendly More features PulseAudio Sound server Simple API Async API Per-app volumes Flat

  1. PulseAudio In The Embedded World Arun Raghavan Collabora Multimedia

  2. PulseAudio – what and why?

  3. ALSA is a low-level API

  4. Need something more app-friendly

  5. More features

  6. … PulseAudio

  7. Sound server

  8. Simple API Async API

  9. Per-app volumes Flat volumes

  10. Move streams while playing Metadata-based “intelligence”

  11. Broad overview …

  13. So who's using it?

  14. Nokia (N900) Palm (Pre) Intel (MeeGo)

  15. Why are they using it?

  16. Timer-based scheduling

  17. Image by Lennart Poettering

  18. Latency control

  19. Dynamic routing

  20. Modular == extensible

  21. Active upstream

  22. Where next?

  23. Policy/use-case management

  24. Filters

  25. Compressed formats

  26. CPU and power optimisation

  27. ???

  28. Profit!

  29. Thank you for coming!

Recommend

Recent Developments in the PulseAudio World Arun Raghavan Collabora Feature-rich audio server

Recent Developments in the PulseAudio World Arun Raghavan Collabora Feature-rich audio server

Recent Developments in the PulseAudio World Arun Raghavan Collabora Feature-rich audio server Convenient client API Some rough bumps early on Lots of FUD afterwards More and more people love us Okay, fine More and more people don't hate us

699 views • 37 slides
Integrate Collabora Online with Web Applicatjons Collabora Productjvity By Andras Timar

Integrate Collabora Online with Web Applicatjons Collabora Productjvity By Andras Timar

FOSDEM 2020 Integrate Collabora Online with Web Applicatjons Collabora Productjvity By Andras Timar Collabora Productjvity andras.tjmar@collabora.com @tjmar +tjmar74 C Collabora Online Uses LibreOffjce/Collabora Offjce under the hood for

470 views • 27 slides
Practical Experiences from Using Pulseaudio in Embedded Handheld Device Jyri Sarha 18.9.2009

Practical Experiences from Using Pulseaudio in Embedded Handheld Device Jyri Sarha 18.9.2009

Practical Experiences from Using Pulseaudio in Embedded Handheld Device Jyri Sarha 18.9.2009 Practical experiences from using Pulseaudio in embedded handheld device, 18.9.2009 2 Background Information Name: Jyri Sarha Education: Master

606 views • 16 slides
Collabora Offjce as an app on iOS Tor Lillqvist Sofuware Engineer at Collabora Productjvity

Collabora Offjce as an app on iOS Tor Lillqvist Sofuware Engineer at Collabora Productjvity

Collabora Productivity Collabora Offjce as an app on iOS Tor Lillqvist Sofuware Engineer at Collabora Productjvity www.collaboraoffice.com Collabora Productivity About us Collabora Ltd. Leading Open Source Consultancy 13 years of

437 views • 16 slides
Bringing Collabora Online to your web-app its easy ... Collabora Productjvity Michael Meeks

Bringing Collabora Online to your web-app its easy ... Collabora Productjvity Michael Meeks

CS3 2020 Bringing Collabora Online to your web-app its easy ... Collabora Productjvity Michael Meeks <michael.meeks@collabora.com> General Manager at Collabora Productjvity @michael_meeks, mmeeks #libreoffjce-dev irc.freenode.net

821 views • 60 slides
SEcure Neighbour Discovery (SEND) Arun Raghavan Department of Computer Science IIT Kanpur

SEcure Neighbour Discovery (SEND) Arun Raghavan Department of Computer Science IIT Kanpur

The Problem SEcure Neighbour Discovery Miscellanea SEcure Neighbour Discovery (SEND) Arun Raghavan Department of Computer Science IIT Kanpur CS625: Advanced Computer Networks Arun Raghavan SEcure Neighbour Discovery (SEND) The Problem

629 views • 44 slides
PulseAudio on Mac OS X Daniel Mack for LAC 2011, Maynooth Why? Network transparency

PulseAudio on Mac OS X Daniel Mack for LAC 2011, Maynooth Why? Network transparency

PulseAudio on Mac OS X Daniel Mack for LAC 2011, Maynooth Why? Network transparency Application mixing Free your Audio Interoperability with arbitrary protocols More testing of the PulseAudio code Yet another

607 views • 23 slides
900 M Arun-3 HEP An Overview SJVN Arun-3 Power Development Company (SAPDC) SAPDC is

900 M Arun-3 HEP An Overview SJVN Arun-3 Power Development Company (SAPDC) SAPDC is

900 M Arun-3 HEP An Overview SJVN Arun-3 Power Development Company (SAPDC) SAPDC is executing the development of 900 MW Arun-3 HEP. The Company is wholly owned subsidiary of SJVN Ltd., India. Arun Dhim iman an ,C ,CEO. O. Brief

581 views • 53 slides
Approaching the 1M columns / rows limit in Calc Online By Marco Cecchet Collabora Productiity

Approaching the 1M columns / rows limit in Calc Online By Marco Cecchet Collabora Productiity

Collabora Productivity Approaching the 1M columns / rows limit in Calc Online By Marco Cecchet Collabora Productiity marco.cecchet@collabora.co.uk www.collaboraofce.co Collabora Productivity m Oieriiew Before: only 1000 rows was handled

323 views • 17 slides
OOXML support maintenance By Tams Zolnai Sofware Engineer at Collabora Productiity

OOXML support maintenance By Tams Zolnai Sofware Engineer at Collabora Productiity

Collabora Productivity OOXML support maintenance By Tams Zolnai Sofware Engineer at Collabora Productiity tamas.zolnai@collabora.com www.collaboraoffice.com Collabora Productivity Introducton Why OOXML compatbility is an issue?

583 views • 25 slides
Embedded PC The modular Industrial PC for mid-range control Embedded PC 1 Embedded OS

Embedded PC The modular Industrial PC for mid-range control Embedded PC 1 Embedded OS

Embedded PC The modular Industrial PC for mid-range control Embedded PC 1 Embedded OS Operating Systems Major differences Details XPE / CE Embedded PC 2 The Windows Embedded OS family The modular, real The modular, real- -time

616 views • 22 slides
EMBEDDED EMBEDDED REAL TIME SYSTEMS REAL TIME SYSTEMS EMBEDDED EMBEDDED REAL TIME SYSTEMS

EMBEDDED EMBEDDED REAL TIME SYSTEMS REAL TIME SYSTEMS EMBEDDED EMBEDDED REAL TIME SYSTEMS

EMBEDDED EMBEDDED REAL TIME SYSTEMS REAL TIME SYSTEMS EMBEDDED EMBEDDED REAL TIME SYSTEMS REAL TIME SYSTEMS

1.37k views • 26 slides
Platform Convergence Journey Windows Embedded Standard 7 Windows Embedded Standard 8 Converged

Platform Convergence Journey Windows Embedded Standard 7 Windows Embedded Standard 8 Converged

Platform Convergence Journey Windows Embedded Standard 7 Windows Embedded Standard 8 Converged OS kernel Windows Embedded 8.1 Windows Embedded 8 Converged app model Windows 10 Windows Embedded 8.1 Windows Embedded 8 Handheld Handheld

794 views • 29 slides
Quantum Computng with VBA By Tams Bunth Sofware Engineer at Collabora Productiittz

Quantum Computng with VBA By Tams Bunth Sofware Engineer at Collabora Productiittz

Collabora Productivity Quantum Computng with VBA By Tams Bunth Sofware Engineer at Collabora Productiittz www.collaboraofci.co Collabora Productivity m VBA and ... Teaching people radical new watzs to model problems Great simulatin

555 views • 26 slides
Online: wrestling Copy / Cut / Paste to usability Collabora Productjvity Michael Meeks

Online: wrestling Copy / Cut / Paste to usability Collabora Productjvity Michael Meeks

FOSDEM 2020 Online: wrestling Copy / Cut / Paste to usability Collabora Productjvity Michael Meeks <michael.meeks@collabora.com> General Manager at Collabora Productjvity @michael_meeks, mmeeks #libreoffjce-dev irc.freenode.net

486 views • 22 slides
Bringing the Sidebar Collabora Online Offjce OPENSUSE-LIBREOFFICE CONF20 By Ashod Nakashian

Bringing the Sidebar Collabora Online Offjce OPENSUSE-LIBREOFFICE CONF20 By Ashod Nakashian

Bringing the Sidebar Collabora Online Offjce OPENSUSE-LIBREOFFICE CONF20 By Ashod Nakashian Consultant at Collabora Offjce ash@collabora.com Required Magic advanced technology C Overview This talk in a nutshell Intro Whats

224 views • 21 slides
Crosstalk-Aware Transmitter Pulse-Shaping for Parallel Chip-to-Chip Links Mike Bichan, Anthony

Crosstalk-Aware Transmitter Pulse-Shaping for Parallel Chip-to-Chip Links Mike Bichan, Anthony

Crosstalk-Aware Transmitter Pulse-Shaping for Parallel Chip-to-Chip Links Mike Bichan, Anthony Chan Carusone Department of Electrical and Computer Engineering University of Toronto ISCAS 2007 Mike Bichan, Anthony Chan Carusone Crosstalk-Aware

448 views • 20 slides
THE MAGNETIC HEARTBEAT OF THE SUN Diagnosing Pulses in the Solar MgII Index Using Wavelet

THE MAGNETIC HEARTBEAT OF THE SUN Diagnosing Pulses in the Solar MgII Index Using Wavelet

THE MAGNETIC HEARTBEAT OF THE SUN Diagnosing Pulses in the Solar MgII Index Using Wavelet Analysis Lindsay Rand Carleton College Northfield, MN Odele Coddington and Martin Snow Laboratory of Atmospheric Space Physics Boulder, CO Solar

509 views • 25 slides
The new NIST reference for Randomness Beacons Lu s Brand ao Joint work with: John

The new NIST reference for Randomness Beacons Lu s Brand ao Joint work with: John

The new NIST reference for Randomness Beacons Lu s Brand ao Joint work with: John Kelsey, Ren e Peralta, Harold Booth National Institute of Standards and Technology (Gaithersburg MD, USA) 1 1 1 1 0 1 1 0 1 1 0 1 0 0 0

1.42k views • 121 slides
Microsystems D i g i t i z i n g Yo u r W o r l d S e a m l e s s l y ADCs for Autonomous

Microsystems D i g i t i z i n g Yo u r W o r l d S e a m l e s s l y ADCs for Autonomous

Seamless Microsystems D i g i t i z i n g Yo u r W o r l d S e a m l e s s l y ADCs for Autonomous Driving Augustine Kuo VP Engineering Seamless Microsystems Seamless Microsystems Background LiDAR and RADAR in Wireless and Consumer cars

427 views • 20 slides
Autumn%2015 ! Radia&on!and!Radia&on!Detectors! ! Course!home!page: !

Autumn%2015 ! Radia&on!and!Radia&on!Detectors! ! Course!home!page: !

PHYS%575A/B/C% Autumn%2015 ! Radia&on!and!Radia&on!Detectors! ! Course!home!page: ! h6p://depts.washington.edu/physcert/radcert/575website/ % 3:!Fast!pulse!signals!and!detector!data!acquisi&on! R.%Jeffrey%Wilkes%%

944 views • 47 slides
ECE 3 3567 M Microc ocon ontrol oller ers L Lab Laboratory #3 Pulse Width Modulation

ECE 3 3567 M Microc ocon ontrol oller ers L Lab Laboratory #3 Pulse Width Modulation

ECE 3 3567 M Microc ocon ontrol oller ers L Lab Laboratory #3 Pulse Width Modulation & RGB LED Autumn 2019 Dr. Gregg Chapman 1 ECE 3567 Lab #3 ECE 3567 Lab #3 ECE 3567 Lab #3 normalized millicandelas wavelength

981 views • 51 slides
MYD Youth Pulse Check Survey Developed by the Ministry of Youth Development (MYD) - Te

MYD Youth Pulse Check Survey Developed by the Ministry of Youth Development (MYD) - Te

MYD Youth Pulse Check Survey Developed by the Ministry of Youth Development (MYD) - Te Manat Whakahiato Taiohi. Collects information about how young people / rangatahi What is the (aged 12-24 years) in Aotearoa New Zealand are impacted

477 views • 16 slides
Joeri van Leeuwen Pulsar mode changes and subpulse drift Pulsars: cosmic lighthouses Join the 21

Joeri van Leeuwen Pulsar mode changes and subpulse drift Pulsars: cosmic lighthouses Join the 21

Joeri van Leeuwen Pulsar mode changes and subpulse drift Pulsars: cosmic lighthouses Join the 21 st century already! http://www.astron.nl/pulsars/animations/ Van Leeuwen Pulsar mode changes and subpulse drift Goddard Magnetospheres 2016

544 views • 20 slides

More recommend

Explore More Topics

Stay informed with curated content and fresh updates.

animals pets art culture automotive transportation business finance computer internet construction architecture education-career electronics communication

Logo Sambuz

Unleash a World of Digital Possibilities—Browse, Share, and Explore Content Without Boundaries

Useful Links

About Us Privacy Services FAQ's Contact

Newsletter

Stay Informed & Inspired—Subscribe for the Latest Updates, Tips, and Exclusive Content Directly to Your Inbox.

Mail Us

mail@sambuz.com

2026 SAMBUZ, All right reserved.