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Gopro 2 , grainy video when rendered with Sony vegas pro 10

 

spencer  (D 208)

Apr 25, 2012, 11:24 AM
Post #1 of 8 (850 views)
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Gopro 2 , grainy video when rendered with Sony vegas pro 10 Can't Post
When I watch the video using windows media player the picture quality is fine, but after rendering using vegas pro 10, the result is a grainy picture, and a loss of quality.
using a gopro2 setting 720 x60, class 10 memort card.
any ideas. thanks.

Premier DSE  (D 29060)
Moderator
Apr 25, 2012, 12:12 PM
Post #2 of 8 (841 views)
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Re: [spencer] Gopro 2 , grainy video when rendered with Sony vegas pro 10 [In reply to] Can't Post
Grain may be less visible in media player due to smaller resolution of playback, smaller window, any number of issues.
Grain can only be inserted during compression if improper compression settings are applied.

More valuable information is :
What are you rendering to?
Resolution
Bitrate
Codec

The kind of card isn't relevant, FWIW.

LiborJanicek  (A 28574)

Apr 26, 2012, 2:16 PM
Post #3 of 8 (755 views)
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Re: [spencer] Gopro 2 , grainy video when rendered with Sony vegas pro 10 [In reply to] Can't Post
try transcoding the GoPro footage to match your timeline settings or change your timeline setting to match the GoPro footage.

u can use mpeg streamclip to transcode it

http://www.squared5.com/

Premier DSE  (D 29060)
Moderator
Apr 26, 2012, 4:41 PM
Post #4 of 8 (740 views)
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Re: [LiborJanicek] Gopro 2 , grainy video when rendered with Sony vegas pro 10 [In reply to] Can't Post
In reply to:
try transcoding the GoPro footage to match your timeline settings or change your timeline setting to match the GoPro footage.

u can use mpeg streamclip to transcode it

http://www.squared5.com/

Transcoding is foolish when using Vegas or Premiere.
Matching timeline settings won't affect a final render.

spencer  (D 208)

Apr 28, 2012, 7:26 AM
Post #5 of 8 (694 views)
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Re: [DSE] Gopro 2 , grainy video when rendered with Sony vegas pro 10 [In reply to] Can't Post
thank you,
I am rendering as
Save as type - Main concept AVC/ACC (mp4)

Under that is says Template - Default template.
which under that says.

Audio: 128 Kbps, 44,100 Hz, 16 Bit, Stereo, AAC
Video: 25 fps, 720x576 Lower field first, YUV, 768 Kbps
Pixel Aspect Ratio: 1.457


hope this helps, as for codecs havent a clue

Premier DSE  (D 29060)
Moderator
Apr 28, 2012, 8:40 AM
Post #6 of 8 (691 views)
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Re: [spencer] Gopro 2 , grainy video when rendered with Sony vegas pro 10 [In reply to] Can't Post
768kpbs is the problem.
You're taking an 18Mbps stream and cutting it down in size to almost nothing.
Change out the bitrate/use a template with a higher bitrate. 6Mbps is a good average, 10Mbps is a good max

spencer  (D 208)

Apr 28, 2012, 10:44 AM
Post #7 of 8 (688 views)
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Re: [DSE] Gopro 2 , grainy video when rendered with Sony vegas pro 10 [In reply to] Can't Post
thanks, where do I go to change these settings.

Premier DSE  (D 29060)
Moderator
Apr 28, 2012, 5:04 PM
Post #8 of 8 (673 views)
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Re: [spencer] Gopro 2 , grainy video when rendered with Sony vegas pro 10 [In reply to] Can't Post
Render As; customize template.


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