Im looking for help with a video. i am trying to upload a video MP4 to a website for a job application. I looked up ways on how to reduce file size in order to meet the requirements of the application. i made the following changes using Handbrake,
Reference frames changed from 1-4
Audio settings: bitrate changed from 160 to 128
Made it web optimized
This shrunk the size from 265MB to 98Mb but I dont know what it actually did
Im extremely new to this whole thing so please be understanding that I am just looking for help, the file is fine, perfect size and plays fine on my MacBook Pro using DivX. When I upload it to the site and play it there, there is a 20 second portion of the video that has lost its sound, is this my fault or the fault of the website??
PLEASE HELP ME OUT PEOPLE!!
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With no access to the original mp4, or to the website, and no clues as to what the technical requirements for the video to be posted on the website actually are, I don't think you will receive much help.
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The only requirements for the video to be posted are that it is MAX 100MB and is one of the major file types. .mp4 .mov .mpg.
Info that I can gleam from the file (really not the best at computers) is Dimensions 1280x720
Codecs H.264, AAC
Color Profile: HD(1-1-1)
Duration 04:43
Audio Channels: 2
Size: 98.2MB -
Link to original file
file:///Users/robscannell/Downloads/Vital%20Ingredient%20%20-%20Chromatic%20copy-2.mp4 -
Last edited by roma_turok; 5th Jan 2014 at 16:37.
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"Set Normal preset
Set Avg Bitrate to 2500"
All done, and no change.
I think the problem is actually with the website and whatever flash player they're using, as every version of the vid I have in both .mp4 and .mov are all completely fine. Just didn't want to mention it to the potential employers incase there was something I can do.
Thanks for the help, any other opinions will still be massively appreciated. -
20 second lost sound in the beginning of video or in the end?
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Yes, it's probably an issue on their end
What site is it ? Is it a re-encoding site like youtube ? Or do they stream the video as is ?
Did you use "constant frame rate" as shown in the screen shot ? "variable frame rate" might cause some issues with some decoders if it's a re-encoding site
What is the original video format ? Use mediainfo (view=>text) copy & paste the results back here -
poisondeathray, is this what you mean?
General
Complete name : /Users/robscannell/Desktop/3The Vital Ingredient - Chromatic.mp4
Format : MPEG-4
Format profile : Base Media / Version 2
Codec ID : mp42
File size : 95.4 MiB
Duration : 4mn 42s
Overall bit rate mode : Variable
Overall bit rate : 2 831 Kbps
Encoded date : UTC 2014-01-05 22:26:28
Tagged date : UTC 2014-01-05 22:31:01
Writing application : HandBrake 0.9.9 2013051800
Video
ID : 1
Format : AVC
Format/Info : Advanced Video Codec
Format profile : Main@L4.0
Format settings, CABAC : Yes
Format settings, ReFrames : 4 frames
Codec ID : avc1
Codec ID/Info : Advanced Video Coding
Duration : 4mn 42s
Bit rate mode : Variable
Bit rate : 2 662 Kbps
Width : 1 280 pixels
Height : 720 pixels
Display aspect ratio : 16:9
Frame rate mode : Constant
Frame rate : 25.000 fps
Color space : YUV
Chroma subsampling : 4:2:0
Bit depth : 8 bits
Scan type : Progressive
Bits/(Pixel*Frame) : 0.116
Stream size : 89.8 MiB (94%)
Writing library : x264 core 130 r2273 b3065e6
Encoding settings : cabac=1 / ref=1 / deblock=1:0:0 / analyse=0x1:0x111 / me=hex / subme=2 / psy=1 / psy_rd=1.00:0.00 / mixed_ref=0 / me_range=16 / chroma_me=1 / trellis=0 / 8x8dct=0 / cqm=0 / deadzone=21,11 / fast_pskip=1 / chroma_qp_offset=0 / threads=3 / lookahead_threads=1 / sliced_threads=0 / nr=0 / decimate=1 / interlaced=0 / bluray_compat=0 / constrained_intra=0 / bframes=3 / b_pyramid=2 / b_adapt=1 / b_bias=0 / direct=1 / weightb=1 / open_gop=0 / weightp=1 / keyint=250 / keyint_min=25 / scenecut=40 / intra_refresh=0 / rc_lookahead=10 / rc=crf / mbtree=1 / crf=20.0 / qcomp=0.60 / qpmin=0 / qpmax=69 / qpstep=4 / vbv_maxrate=20000 / vbv_bufsize=25000 / crf_max=0.0 / nal_hrd=none / ip_ratio=1.40 / aq=1:1.00
Encoded date : UTC 2014-01-05 22:26:28
Tagged date : UTC 2014-01-05 22:31:01
Color primaries : BT.709
Transfer characteristics : BT.709
Matrix coefficients : BT.709
Audio
ID : 2
Format : AAC
Format/Info : Advanced Audio Codec
Format profile : LC
Codec ID : 40
Duration : 4mn 42s
Bit rate mode : Variable
Bit rate : 164 Kbps
Maximum bit rate : 238 Kbps
Channel(s) : 2 channels
Channel positions : Front: L R
Sampling rate : 48.0 KHz
Compression mode : Lossy
Delay relative to video : 80ms
Stream size : 5.53 MiB (6%)
Language : English
Encoded date : UTC 2014-01-05 22:26:28
Tagged date : UTC 2014-01-05 22:31:01 -
poisondeathray, it's this site: http://www.thevitalingredient.ie
when they view the video I assume they'll stream as is using whatever is on the site right now. -
sorry plisondeathray, by random I mean it's peculiar, to me it would be more understandable if it was at the beginning or end, or lost throughout.
the video is made of a series of video clips, all put together to make up the vid. This has worked perfectly, putting it from my phone to computer has been fine, shrinking the file size via Handbrake has been fine. The problem occurs when it's uploaded to the site. -
Original from media info
General
Complete name : /Users/robscannell/Desktop/Rob Scannell - The Vital Ingredient - Chromatic.mp4
Format : MPEG-4
Format profile : Base Media / Version 1
Codec ID : mp41
File size : 256 MiB
Duration : 4mn 55s
Overall bit rate : 7 270 Kbps
Encoded date : UTC 2014-01-02 08:40:03
Tagged date : UTC 2014-01-02 08:40:03
Video
ID : 2
Format : AVC
Format/Info : Advanced Video Codec
Codec ID : avc1
Codec ID/Info : Advanced Video Coding
Duration : 4mn 55s
Bit rate mode : Variable
Bit rate : 7 074 Kbps
Width : 1 280 pixels
Height : 720 pixels
Display aspect ratio : 16:9
Frame rate mode : Constant
Frame rate : 25.000 fps
Bits/(Pixel*Frame) : 0.307
Stream size : 249 MiB (97%)
Language : English
Encoded date : UTC 2014-01-02 08:40:03
Tagged date : UTC 2014-01-02 08:40:03
Audio
ID : 1
Format : AAC
Format/Info : Advanced Audio Codec
Format profile : LC
Codec ID : 40
Duration : 4mn 55s
Source duration : 4mn 55s
Bit rate mode : Constant
Bit rate : 192 Kbps
Channel(s) : 2 channels
Channel positions : Front: L R
Sampling rate : 48.0 KHz
Compression mode : Lossy
Stream size : 6.76 MiB (3%)
Source stream size : 6.77 MiB (3%)
Language : English
Encoded date : UTC 2014-01-02 08:40:03
Tagged date : UTC 2014-01-02 08:40:03
mdhd_Duration : 295560 -
Nice... do you get free samples of Whiskey ? You know... to ensure quality standards
If you look at the previous successful applicants, those videos are hosted by youtube . Is the one you're using internal or youtube ?
I would try to stream copy the audio (in case re-encoding to AAC audio is giving them problems for whatever reason) -
Of course there's free samples, have to know what i'm trying to sell
The previous successful ones are indeed hosted by youtube but I think that's after they select the successful ones they then upload them to Youtube for people to see, the whole thing is internal on that vital ingredient site first.
"I would try to stream copy the audio (in case re-encoding to AAC audio is giving them problems for whatever reason)"
I do apologise if i'm annoying but the above sentence means nothing to me. I am trying to learn. -
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Would you use AAC Passthru or Auto Passthru
This is where things get stupid, haha. Okay so I made the video on my BlackBerry Z10 and from there used the software Story Maker to edit the clips and join them together, from there loaded it up to the Mac and actually found info on this forum that redirected me to Handbrake to shrink it. and the file was perfect. It had shrunk and was the exact same as the larger file. -
To all that have offered suggestions, I'm going to give it all a go tomorrow, but you may all be lifesavers and have helped a computer idiot out!.
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If that still doesn't work, you can try another compression (e.g. use CBR MP3 instead of AAC) , in case something on their end doesn't like AAC (but it' s unlikely)
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Hi guys, looks like the Audio PassThru worked!! Vid works fine now. Thanks to all you guys that helped out!! Legends!
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