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{{short description|Multimedia project}}
{{short description|Multimedia project}}
'''Helix DNA''' was a project to produce [[computer software]] that can play audio and video media in various formats and aid in producing such media. It is intended as a largely [[free and open-source]] [[multimedia framework|digital media framework]] that runs on numerous [[operating system]]s and processors (including mobile phones) and was started by [[RealNetworks]] which contributed much of the code.<ref>{{Cite web |url=http://news.zdnet.co.uk/itmanagement/0,1000000308,2127039,00.htm |title=Archived copy |access-date=2009-08-02 |archive-date=2008-07-25 |archive-url=https://web.archive.org/web/20080725161610/http://news.zdnet.co.uk/itmanagement/0,1000000308,2127039,00.htm |url-status=live }}</ref><ref>http://news.zdnet.co.uk/software/0,1000000121,39115528,00.htm {{Webarchive|url=https://web.archive.org/web/20090922180401/http://news.zdnet.co.uk/software/0,1000000121,39115528,00.htm |date=2009-09-22 }}</ref> The '''Helix Community''' was an open collaborative effort to develop and extend the Helix DNA platform.<ref>https://helixcommunity.org/about/ {{webarchive|url=https://archive.today/20121220211131/https://helixcommunity.org/about/ |date=2012-12-20 }}</ref> The Helix Project has been discontinued.<ref>{{cite web | url=https://realnetworks.com/products-services/helix | title=Helix Media Delivery Platform &#124; RealNetworks | access-date=2023-05-11 | archive-date=2023-05-11 | archive-url=https://web.archive.org/web/20230511183501/https://realnetworks.com/products-services/helix | url-status=live }}</ref><ref>{{Cite web|url=https://www.streamingmedia.com/Articles/ReadArticle.aspx?ArticleID=100273&CategoryID=423|title=RealNetworks Discontinues Helix Media Delivery Suite of Products|date=October 31, 2014|website=Streaming Media Magazine}}</ref>
'''Helix DNA''' was a project to produce [[computer software]] that can play audio and video media in various formats and aid in producing such media. It is intended as a largely [[free and open-source]] [[multimedia framework|digital media framework]] that runs on numerous [[operating system]]s and processors (including mobile phones) and was started by [[RealNetworks]] which contributed much of the code.<ref>{{Cite web |url=http://news.zdnet.co.uk/itmanagement/0,1000000308,2127039,00.htm |title=RealNetworks opens more Helix DNA - ZDNet.co.uk |access-date=2009-08-02 |archive-date=2008-07-25 |archive-url=https://web.archive.org/web/20080725161610/http://news.zdnet.co.uk/itmanagement/0,1000000308,2127039,00.htm |url-status=live }}</ref><ref>{{cite web | url=http://news.zdnet.co.uk/software/0,1000000121,39115528,00.htm | archive-url=https://web.archive.org/web/20090922180401/http://news.zdnet.co.uk/software/0,1000000121,39115528,00.htm | archive-date=2009-09-22 | title=RealNetworks releases player code for Linux - ZDNet.co.uk }}</ref> The '''Helix Community''' was an open collaborative effort to develop and extend the Helix DNA platform.<ref>https://archive.today/20121220211131/https://helixcommunity.org/about/</ref> The Helix Project has been discontinued.<ref>{{cite web | url=https://realnetworks.com/products-services/helix | title=Helix Media Delivery Platform &#124; RealNetworks | access-date=2023-05-11 | archive-date=2023-05-11 | archive-url=https://web.archive.org/web/20230511183501/https://realnetworks.com/products-services/helix | url-status=live }}</ref><ref>{{Cite web|url=https://www.streamingmedia.com/Articles/ReadArticle.aspx?ArticleID=100273&CategoryID=423|title=RealNetworks Discontinues Helix Media Delivery Suite of Products|date=October 31, 2014|website=Streaming Media Magazine}}</ref>


'''Helix DNA Client''' is a software package for multi-platform multi-format media playback. '''Helix Player''' is a [[media player (application software)|media player]] that runs on [[Linux]], [[Solaris (operating system)|Solaris]], [[Symbian]] and [[FreeBSD]] and uses the Helix DNA Client.
'''Helix DNA Client''' is a software package for multi-platform multi-format media playback. '''Helix Player''' is a [[media player (application software)|media player]] that runs on [[Linux]], [[Solaris (operating system)|Solaris]], [[Symbian]] and [[FreeBSD]] and uses the Helix DNA Client.
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| license = [[GNU General Public License]]
| license = [[GNU General Public License]]
}}
}}
Helix DNA Client powers many digital media applications, including [[RealPlayer]] for MS Windows, Mac OS and Linux (since version 10), RealPlayer Mobile, and Helix Player. It is used on [[Nokia]], [[Motorola]], [[Samsung]] and [[Sony Ericsson]] mobile phones. 800 million mobile phones with the Helix client have been shipped since 2004.<ref>https://helixcommunity.org {{Webarchive|url=https://web.archive.org/web/20110726144706/https://helix-producer.helixcommunity.org/ |date=2011-07-26 }}</ref> It is also being used in embedded devices like the [[Internet Tablet OS]] from [[Nokia]], which is found on the [[Nokia 770]], [[Nokia N800|N800]] and [[Nokia N810|N810]] Internet Tablets. [[Cingular]] Video is also based on the framework. Other projects that use the Helix framework include RealNetwork's [[Rhapsody (online music service)|Rhapsody]] online music service, the [[Banshee (music player)|Banshee]] and [[Amarok (audio)|Amarok]] music players, and MediaReady 4000. Helix DNA also manifests itself as the RealPlayer on Mobile Internet Devices (MID) and on Netbooks.
Helix DNA Client powers many digital media applications, including [[RealPlayer]] for MS Windows, Mac OS and Linux (since version 10), RealPlayer Mobile, and Helix Player. It is used on [[Nokia]], [[Motorola]], [[Samsung]] and [[Sony Ericsson]] mobile phones. 800 million mobile phones with the Helix client have been shipped since 2004.<ref>{{cite web | url=https://helix-producer.helixcommunity.org/ | archive-url=https://web.archive.org/web/20110726144706/https://helix-producer.helixcommunity.org/ | archive-date=2011-07-26 | title=Resources }}</ref> It is also being used in embedded devices like the [[Internet Tablet OS]] from [[Nokia]], which is found on the [[Nokia 770]], [[Nokia N800|N800]] and [[Nokia N810|N810]] Internet Tablets. [[Cingular]] Video is also based on the framework. Other projects that use the Helix framework include RealNetwork's [[Rhapsody (online music service)|Rhapsody]] online music service, the [[Banshee (music player)|Banshee]] and [[Amarok (audio)|Amarok]] music players, and MediaReady 4000. Helix DNA also manifests itself as the RealPlayer on Mobile Internet Devices (MID) and on Netbooks.


Developers from the [[OSU Open Source Lab|Open Source Lab]] announced in 2007 they would use Helix technologies for content creation applications and collaboration in the [[One Laptop Per Child]] project.<ref>{{Cite news |author= Milko Boic |publisher= RealNetworks |date= May 4, 2007 |url= http://openbossa.indt.org/users/bossa2007/downloads/HelixClient-Atlas.pdf |title= Helix DNA Client |url-status=dead |archive-url= https://web.archive.org/web/20080916053942/http://openbossa.indt.org/users/bossa2007/downloads/HelixClient-Atlas.pdf |archive-date= September 16, 2008 |access-date= August 1, 2013 }}</ref><ref>{{cite web | url=http://wiki.laptop.org/go/Helix_media_activity | title=Helix media activity - OLPC | access-date=2009-08-02 | archive-date=2009-06-29 | archive-url=https://web.archive.org/web/20090629150735/http://wiki.laptop.org/go/Helix_media_activity | url-status=live }}</ref>
Developers from the [[OSU Open Source Lab|Open Source Lab]] announced in 2007 they would use Helix technologies for content creation applications and collaboration in the [[One Laptop Per Child]] project.<ref>{{Cite news |author= Milko Boic |publisher= RealNetworks |date= May 4, 2007 |url= http://openbossa.indt.org/users/bossa2007/downloads/HelixClient-Atlas.pdf |title= Helix DNA Client |url-status=dead |archive-url= https://web.archive.org/web/20080916053942/http://openbossa.indt.org/users/bossa2007/downloads/HelixClient-Atlas.pdf |archive-date= September 16, 2008 |access-date= August 1, 2013 }}</ref><ref>{{cite web | url=http://wiki.laptop.org/go/Helix_media_activity | title=Helix media activity - OLPC | access-date=2009-08-02 | archive-date=2009-06-29 | archive-url=https://web.archive.org/web/20090629150735/http://wiki.laptop.org/go/Helix_media_activity | url-status=live }}</ref>


Helix DNA client contains support for the following media formats:<ref>https://datatype.helixcommunity.org/ Codecs & Formats {{Webarchive|url=https://web.archive.org/web/20110726144631/https://datatype.helixcommunity.org/ |date=2011-07-26 }}</ref>
Helix DNA client contains support for the following media formats:<ref>{{cite web | url=https://datatype.helixcommunity.org/ | archive-url=https://web.archive.org/web/20110726144631/https://datatype.helixcommunity.org/ | archive-date=2011-07-26 | title=Codecs & Formats }}</ref>
* Audio formats: [[Vorbis]], [[Advanced Audio Coding|AAC]], [[AACplus|AAC+]], [[.m4a|M4A]], [[MP3]], [[AMR-NB]], [[AMR-WB]], [[RealAudio]], [[Windows Media Audio|WMA]], [[a-law]], [[u-law]] and audio containers [[AIFF]], [[WAV]], [[Au file format|AU]]
* Audio formats: [[Vorbis]], [[Advanced Audio Coding|AAC]], [[AACplus|AAC+]], [[.m4a|M4A]], [[MP3]], [[AMR-NB]], [[AMR-WB]], [[RealAudio]], [[Windows Media Audio|WMA]], [[a-law]], [[u-law]] and audio containers [[AIFF]], [[WAV]], [[Au file format|AU]]
* Video formats: [[Theora]], [[RealVideo]], [[WMV]], [[H.263]], [[H.264]], [[VC-1]], [[H.261]], [[MJPEG]] and container formats RealMedia file format, [[3GP]], 3G2, [[Audio Video Interleave|AVI]], [[Advanced Systems Format|ASF]]
* Video formats: [[Theora]], [[RealVideo]], [[WMV]], [[H.263]], [[H.264]], [[VC-1]], [[H.261]], [[MJPEG]] and container formats RealMedia file format, [[3GP]], 3G2, [[Audio Video Interleave|AVI]], [[Advanced Systems Format|ASF]]
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* MP3
* MP3


It supports streaming to any device or application that supports [[HTTP]], [[RTSP]]/[[Real-time Transport Protocol|RTP]], TCP, UDP [[unicast]] and UDP [[multicast]] streaming protocols.<ref>http://helix-server.helixcommunity.org/ {{Webarchive|url=https://web.archive.org/web/20070614080541/https://helix-server.helixcommunity.org/ |date=2007-06-14 }}</ref>
It supports streaming to any device or application that supports [[HTTP]], [[RTSP]]/[[Real-time Transport Protocol|RTP]], TCP, UDP [[unicast]] and UDP [[multicast]] streaming protocols.<ref>{{cite web | url=https://helix-server.helixcommunity.org/ | archive-url=https://web.archive.org/web/20070614080541/https://helix-server.helixcommunity.org/ | archive-date=2007-06-14 | title=Helix DNA Server }}</ref>


There is also a commercial version called Helix Server, which has more features and supports more media formats.<ref>https://helix-server.helixcommunity.org/2006/devdocs/helix_server_comparision {{Webarchive|url=https://archive.today/20121220170808/https://helix-server.helixcommunity.org/2006/devdocs/helix_server_comparision |date=2012-12-20 }}</ref>
There is also a commercial version called Helix Server, which has more features and supports more media formats.<ref>https://archive.today/20121220170808/https://helix-server.helixcommunity.org/2006/devdocs/helix_server_comparision</ref>
It was originally called the Helix Universal Server when it was announced in or before 2002.<ref>{{Cite news |title= RealNetworks Announces Helix Universal Server and RealOne Player Now Support Windows Media 9 |work= Press release |date= September 9, 2002 |url= http://www.prnewswire.com/news-releases/realnetworks-announces-helix-universal-server-and-realone-player-now-support-windows-media-9-75626582.html |access-date= August 1, 2013 |archive-url= https://web.archive.org/web/20131202225131/http://www.prnewswire.com/news-releases/realnetworks-announces-helix-universal-server-and-realone-player-now-support-windows-media-9-75626582.html |archive-date= December 2, 2013 |url-status= dead }}</ref>
It was originally called the Helix Universal Server when it was announced in or before 2002.<ref>{{Cite news |title= RealNetworks Announces Helix Universal Server and RealOne Player Now Support Windows Media 9 |work= Press release |date= September 9, 2002 |url= http://www.prnewswire.com/news-releases/realnetworks-announces-helix-universal-server-and-realone-player-now-support-windows-media-9-75626582.html |access-date= August 1, 2013 |archive-url= https://web.archive.org/web/20131202225131/http://www.prnewswire.com/news-releases/realnetworks-announces-helix-universal-server-and-realone-player-now-support-windows-media-9-75626582.html |archive-date= December 2, 2013 |url-status= dead }}</ref>


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| license = [[GNU General Public License]]
| license = [[GNU General Public License]]
}}
}}
It is based on the Helix DNA Client. It is available for Linux, Solaris, Symbian and FreeBSD. Users of Microsoft Windows and Mac OS X can use RealPlayer, which has similar capabilities.<ref>https://player.helixcommunity.org/ {{Webarchive|url=https://web.archive.org/web/20090117182141/https://player.helixcommunity.org/ |date=2009-01-17 }}</ref><ref>{{Cite web |url=http://www.osalt.com/helixplayer |title=Archived copy |access-date=2009-08-02 |archive-date=2009-07-31 |archive-url=https://web.archive.org/web/20090731172611/http://www.osalt.com/helixplayer |url-status=live }}</ref>
It is based on the Helix DNA Client. It is available for Linux, Solaris, Symbian and FreeBSD. Users of Microsoft Windows and Mac OS X can use RealPlayer, which has similar capabilities.<ref>{{cite web | url=https://player.helixcommunity.org/ | archive-url=https://web.archive.org/web/20090117182141/https://player.helixcommunity.org/ | archive-date=2009-01-17 | title=Helix Player }}</ref><ref>{{Cite web |url=http://www.osalt.com/helixplayer |title=Archived copy |access-date=2009-08-02 |archive-date=2009-07-31 |archive-url=https://web.archive.org/web/20090731172611/http://www.osalt.com/helixplayer |url-status=live }}</ref>


==Helix DNA Producer==
==Helix DNA Producer==
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| license = RealNetworks Community Source License{{Citation needed|date=December 2017}}<br />RealNetworks Public Source License{{Citation needed|date=December 2017}}
| license = RealNetworks Community Source License{{Citation needed|date=December 2017}}<br />RealNetworks Public Source License{{Citation needed|date=December 2017}}
}}
}}
It is a media encoding engine for creating streaming broadcasts, on-demand streaming content, and downloadable audio video files. The Helix DNA Producer runs on MS Windows, Linux and Mac OS X.<ref name="helix-producer">https://helix-producer.helixcommunity.org/Faq.htm {{Webarchive|url=https://web.archive.org/web/20110726144823/https://helix-producer.helixcommunity.org/Faq.htm |date=2011-07-26 }}</ref>
It is a media encoding engine for creating streaming broadcasts, on-demand streaming content, and downloadable audio video files. The Helix DNA Producer runs on MS Windows, Linux and Mac OS X.<ref name="helix-producer">{{cite web | url=https://helix-producer.helixcommunity.org/Faq.htm | archive-url=https://web.archive.org/web/20110726144823/https://helix-producer.helixcommunity.org/Faq.htm | archive-date=2011-07-26 | title=Helix Producer Category FAQ }}</ref>


The Helix DNA Producer contains output support for the following data types:<ref name="helix-producer" /><ref>{{Cite web |url=https://producersdk.helixcommunity.org/Overview.htm |title=Archived copy |access-date=2009-08-02 |archive-date=2011-07-26 |archive-url=https://web.archive.org/web/20110726144823/https://producersdk.helixcommunity.org/Overview.htm |url-status=live }}</ref>
The Helix DNA Producer contains output support for the following data types:<ref name="helix-producer" /><ref>{{Cite web |url=https://producersdk.helixcommunity.org/Overview.htm |title=Helix DNA Producer SDK Overview |access-date=2009-08-02 |archive-date=2011-07-26 |archive-url=https://web.archive.org/web/20110726144823/https://producersdk.helixcommunity.org/Overview.htm |url-status=live }}</ref>
* RealAudio 10, 8, G2
* RealAudio 10, 8, G2
* RealVideo 10, 9, 8, 7, G2
* RealVideo 10, 9, 8, 7, G2
* [[Ogg Vorbis]]
* [[Ogg Vorbis]]
Developers who want [[MP3]] encoding can license the code from RealNetworks for a fee.<ref name="helix-producer" /> There is also an add-on package for Helix DNA Producer SDK with [[Advanced Audio Coding|AAC]] or [[aacPlus]] encoding support.<ref>https://helix-producer.helixcommunity.org/Downloads.htm#Helix_DNA_Producer_SDK {{Webarchive|url=https://web.archive.org/web/20110726144846/https://helix-producer.helixcommunity.org/Downloads.htm#Helix_DNA_Producer_SDK |date=2011-07-26 }}</ref>
Developers who want [[MP3]] encoding can license the code from RealNetworks for a fee.<ref name="helix-producer" /> There is also an add-on package for Helix DNA Producer SDK with [[Advanced Audio Coding|AAC]] or [[aacPlus]] encoding support.<ref>{{cite web | url=https://helix-producer.helixcommunity.org/Downloads.htm#Helix_DNA_Producer_SDK | archive-url=https://web.archive.org/web/20110726144846/https://helix-producer.helixcommunity.org/Downloads.htm#Helix_DNA_Producer_SDK | archive-date=2011-07-26 | title=Helix DNA Producer Downloads }}</ref>


Helix DNA Producer was also available in a commercial, closed-source version {{En dash}}RealProducer Plus for MS Windows and Linux.<ref>http://www.realnetworks.com/products/producer/resources.html {{Webarchive|url=https://web.archive.org/web/20090808022922/http://www.realnetworks.com/products/producer/resources.html |date=2009-08-08 }}</ref><ref>http://www.realnetworks.com/products/producer/specifications.html {{Webarchive|url=https://web.archive.org/web/20090805002104/http://www.realnetworks.com/products/producer/specifications.html |date=2009-08-05 }}</ref>
Helix DNA Producer was also available in a commercial, closed-source version {{En dash}}RealProducer Plus for MS Windows and Linux.<ref>{{cite web | url=http://www.realnetworks.com/products/producer/resources.html | archive-url=https://web.archive.org/web/20090808022922/http://www.realnetworks.com/products/producer/resources.html | archive-date=2009-08-08 | title=RealProducer > Product Resources }}</ref><ref>{{cite web | url=http://www.realnetworks.com/products/producer/specifications.html | archive-url=https://web.archive.org/web/20090805002104/http://www.realnetworks.com/products/producer/specifications.html | archive-date=2009-08-05 | title=RealProducer > Specifications }}</ref>


==See also==
==See also==

Revision as of 06:58, 26 June 2023

Not to be confused with Helix (database).

Helix DNA was a project to produce computer software that can play audio and video media in various formats and aid in producing such media. It is intended as a largely free and open-source digital media framework that runs on numerous operating systems and processors (including mobile phones) and was started by RealNetworks which contributed much of the code.[1][2] The Helix Community was an open collaborative effort to develop and extend the Helix DNA platform.[3] The Helix Project has been discontinued.[4][5]

Helix DNA Client is a software package for multi-platform multi-format media playback. Helix Player is a media player that runs on Linux, Solaris, Symbian and FreeBSD and uses the Helix DNA Client. The Helix DNA Producer application aids in the production of media files, and Helix DNA Server can stream media files over a network.

Licenses

The code is released in binary and source code form under various licenses, notably the proprietary RealNetworks Community Source License and the free and open source software RealNetworks Public Source License. Additionally, the Helix DNA Client and the Helix Player are licensed under the popular GNU General Public License (GPL) free and open source license.

Use of the RDT, the default proprietary Real data transport, and of the RealVideo and RealAudio codecs requires binary components distributed under the Helix DNA Technology Binary Research Use License.

Helix DNA Client

Helix DNA Client
Original author(s)RealNetworks
TypeMedia playback engine
LicenseGNU General Public License
Websitewww.realnetworks.com/helix/ Edit this on Wikidata

Helix DNA Client powers many digital media applications, including RealPlayer for MS Windows, Mac OS and Linux (since version 10), RealPlayer Mobile, and Helix Player. It is used on Nokia, Motorola, Samsung and Sony Ericsson mobile phones. 800 million mobile phones with the Helix client have been shipped since 2004.[6] It is also being used in embedded devices like the Internet Tablet OS from Nokia, which is found on the Nokia 770, N800 and N810 Internet Tablets. Cingular Video is also based on the framework. Other projects that use the Helix framework include RealNetwork's Rhapsody online music service, the Banshee and Amarok music players, and MediaReady 4000. Helix DNA also manifests itself as the RealPlayer on Mobile Internet Devices (MID) and on Netbooks.

Developers from the Open Source Lab announced in 2007 they would use Helix technologies for content creation applications and collaboration in the One Laptop Per Child project.[7][8]

Helix DNA client contains support for the following media formats:[9]

Helix DNA Client for Android

Helix DNA Client for Android
Original author(s)RealNetworks
Stable release
1.1.2 / November 8, 2012; 12 years ago (2012-11-08)
Written inJava
Operating systemAndroid 2.2, 2.3.x, 3.x, 4.x
TypeMedia playback engine
LicenseCommercial proprietary software
Websitewww.realnetworks.com/helix/ Edit this on Wikidata

Helix DNA Client for Android provides an HLS, MPEG-DASH, Verimatrix DRM and Microsoft PlayReady DRM media player for Android 2.2 to latest devices. Supporting H.264 and AAC codecs with Adaptive Bit Rate support (H.264 / AAC) including audio only. Armv7 and Armv6 supported using Stagefright media platform. Helix SDK is supplied as a library which is included within Android Java applications for over the air installation.

Helix DNA client contains support for the following media formats:

Helix DNA Server

Helix DNA Server
Original author(s)RealNetworks
Initial releaseJanuary 22, 2003; 21 years ago (2003-01-22)
TypeMedia streaming
LicenseRealNetworks Public Source License, RealNetworks Community Source License[citation needed]
Websitewww.realnetworks.com/helix/ Edit this on Wikidata

The Helix DNA Server, first released on 22 January 2003,[10] supports streaming of following formats:

  • RealVideo, RealAudio (.rm, .ra, .rv)
  • MP3

It supports streaming to any device or application that supports HTTP, RTSP/RTP, TCP, UDP unicast and UDP multicast streaming protocols.[11]

There is also a commercial version called Helix Server, which has more features and supports more media formats.[12] It was originally called the Helix Universal Server when it was announced in or before 2002.[13]

Helix Player

Helix Player
Original author(s)RealNetworks
Stable release
11.0
Operating systemLinux, Solaris, Symbian, FreeBSD
TypeMedia player
LicenseGNU General Public License
Websitewww.realnetworks.com/helix/ Edit this on Wikidata

It is based on the Helix DNA Client. It is available for Linux, Solaris, Symbian and FreeBSD. Users of Microsoft Windows and Mac OS X can use RealPlayer, which has similar capabilities.[14][15]

Helix DNA Producer

Helix DNA Producer
Original author(s)RealNetworks
Stable release
11
Operating systemWindows, Linux, Mac OS X
TypeMedia encoder
LicenseRealNetworks Community Source License[citation needed]
RealNetworks Public Source License[citation needed]
Websitewww.realnetworks.com/helix/ Edit this on Wikidata

It is a media encoding engine for creating streaming broadcasts, on-demand streaming content, and downloadable audio video files. The Helix DNA Producer runs on MS Windows, Linux and Mac OS X.[16]

The Helix DNA Producer contains output support for the following data types:[16][17]

  • RealAudio 10, 8, G2
  • RealVideo 10, 9, 8, 7, G2
  • Ogg Vorbis

Developers who want MP3 encoding can license the code from RealNetworks for a fee.[16] There is also an add-on package for Helix DNA Producer SDK with AAC or aacPlus encoding support.[18]

Helix DNA Producer was also available in a commercial, closed-source version –RealProducer Plus for MS Windows and Linux.[19][20]

See also

References

  1. ^ "RealNetworks opens more Helix DNA - ZDNet.co.uk". Archived from the original on 2008-07-25. Retrieved 2009-08-02.
  2. ^ "RealNetworks releases player code for Linux - ZDNet.co.uk". Archived from the original on 2009-09-22.
  3. ^ https://archive.today/20121220211131/https://helixcommunity.org/about/
  4. ^ "Helix Media Delivery Platform | RealNetworks". Archived from the original on 2023-05-11. Retrieved 2023-05-11.
  5. ^ "RealNetworks Discontinues Helix Media Delivery Suite of Products". Streaming Media Magazine. October 31, 2014.
  6. ^ "Resources". Archived from the original on 2011-07-26.
  7. ^ Milko Boic (May 4, 2007). "Helix DNA Client" (PDF). RealNetworks. Archived from the original (PDF) on September 16, 2008. Retrieved August 1, 2013.
  8. ^ "Helix media activity - OLPC". Archived from the original on 2009-06-29. Retrieved 2009-08-02.
  9. ^ "Codecs & Formats". Archived from the original on 2011-07-26.
  10. ^ "Press release". Archived from the original on 2007-07-06. Retrieved 2007-07-12.
  11. ^ "Helix DNA Server". Archived from the original on 2007-06-14.
  12. ^ https://archive.today/20121220170808/https://helix-server.helixcommunity.org/2006/devdocs/helix_server_comparision
  13. ^ "RealNetworks Announces Helix Universal Server and RealOne Player Now Support Windows Media 9". Press release. September 9, 2002. Archived from the original on December 2, 2013. Retrieved August 1, 2013.
  14. ^ "Helix Player". Archived from the original on 2009-01-17.
  15. ^ "Archived copy". Archived from the original on 2009-07-31. Retrieved 2009-08-02.{{cite web}}: CS1 maint: archived copy as title (link)
  16. ^ a b c "Helix Producer Category FAQ". Archived from the original on 2011-07-26.
  17. ^ "Helix DNA Producer SDK Overview". Archived from the original on 2011-07-26. Retrieved 2009-08-02.
  18. ^ "Helix DNA Producer Downloads". Archived from the original on 2011-07-26.
  19. ^ "RealProducer > Product Resources". Archived from the original on 2009-08-08.
  20. ^ "RealProducer > Specifications". Archived from the original on 2009-08-05.
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