This site talks about Voice Of Korea http://www.northkoreatech.org/the-north-korean-website-list/voice-of-korea/
and has the VOK website address: http://www.vok.rep.kp/CBC/english.php
(the site wanted to use their media player, which my security software said was "unsafe". I didn't try further.)
Other than that, no streaming Voice Of Korea is on the internet yet as far as I can find, but I have found a few other links,
including an apparent LIVE STREAM from KCTV (North Korea TV)
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Has TV recordings from North Korea TV. Click around.
This link http://www.elufa-tv.net/live.html
from the site is an apparent LIVE STREAM
from North Korea Central Television - KCTV, although Elufa has advertisements occasionaly. ("premium members never see ads" )
It is an imbed from Ustream: http://www.ustream.tv/channel/elufa-tv
( If it is a live stream, you will see LIVE in the lower right of the player .)
KCTV weekday broadcast schedule is about 0800-1430GMT = 3:00am-9:30am eastern time USA
Weekend schedule 0000-1500GMT = Sat-Sun 7:00pm-10:00am eastern USA
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Unification Broadcasting out of South Korea(SPTV) was streaming KCTV - Korean Central Television (North Korean TV).http://www.northkoreatech.org/2011/12/08/north-korean-tv-currently-live-streaming/http://www.northkoreatech.org/2012/03/21/pyongyang-news-website-offers-archived-tv-news/
But as of this writing they are not live streaming.
SPTV does post the latest KCTV broadcasts, and they archive past recordings from KCTV.
Main website: http://www.sptv.co.kr/
Note: Website is in Korean. A scroll list on the right has KCTV tv clips.
Here is a KCTV recordings list: http://www.sptv.co.kr/bbs/board.php?bo_table=01_02
click on one of those clips and many past recordings can be found by date from scroll list on the player page.
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North Korea KCTV live stream
For most of the day — when the stream is available — it relays standard color bars but these switch to the KCTV testcard at around 16:30 Pyongyang time.
You can currently find the feed here: http://188.8.131.52:50000/chosun
Try clicking on it, but it’s best and easiest viewed in VLC Media Player. Choose “Open network stream,” paste that address in and it should appear if available.
(KCTV weekday broadcast schedule is about 0800-1430GMT = 3:00am-9:30am eastern time USA
Weekend schedule 0000-1500GMT = Sat-Sun 7:00pm-10:00am eastern USA)
Yet another link to the KCTV live stream(direct): mms://184.108.40.206/chosun
( many kctv video clips)
Live stream page http://www.dprkfriendship.com.mx/on-air/
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In addition, many thousands of recordings from KCTV can be found from these YouTube channels:https://www.youtube.com/user/uriminzokkiri/featuredhttps://www.youtube.com/user/rodrigorojo1/featuredhttps://www.youtube.com/user/stimmekoreas/featuredhttps://www.youtube.com/user/tonpomail/videos