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Activity Forums VEGAS Pro No Audio in MP4 After Rendering

  • No Audio in MP4 After Rendering

    Posted by Charles Flaum on May 26, 2012 at 11:13 pm

    I am not able to get audio in MP4.

    I am trying to post in Vimeo and Wistia using MP4/H.264. Wistia asks for the following: MP4 using H.264 at a resolution of 1280×720 and a bitrate of 3000 kbps. For the audio, use AAC with a bitrate of 128 kbps and a sample rate of 44.1 kHz.

    I’ve matched these settings (yes, include audio is checked).

    Vimeo asks for almost the same thing except: audio bit rate 320kps; video bit rate 5,000kps

    My project is set to HDV 720-30p (although I’ve tried other several property settings including internet 360, etc.) My project audio is 44,100 with bit depth of 16.

    I’ve tried tweaking the settings – but still nada. I uploaded a wmv format to Wistia and it worked. However MP4 would be preferable for viewing. Anyone have any ideas what I’m doing wrong?

    Farrol Gold replied 13 years, 11 months ago 3 Members · 7 Replies
  • 7 Replies
  • Nick White

    May 27, 2012 at 1:20 pm

    I probably will not give you an answer, but I will ask the following questions:
    (1) Is this Studio or Pro?
    (2) What actual step by step path are you taking to try to create the video? By that I mean you have several choices of offerings from codec/format groups, when you render. Main Concept, Sony, etc.

    And a comment. For most render outputs, project properties have NOTHING to do with the render result. They are all about the smoothest preview during edit, unless you want to take a frame snap….then the snap will be as per your project properties….this is something I feel needs fixing…however.

  • Charles Flaum

    May 27, 2012 at 2:04 pm

    Thank you for responding.

    First let me say that I’ve used SV Pro for a year – although, the concept of setting a project properties and then rendering as something else has always seemed weird (as well as subject of codecs). Anyway, I’ve rendered in wmv and have never had a problem. So, step by step. Project finished and saved with material. Then render as – customizing the template as they have asked and then rendering same. Saving project and then uploading.

    Like I said – I uploaded the same project in wmv and it works – strange.

  • Nick White

    May 27, 2012 at 8:11 pm

    Weird. I thought there were more posts in this thread…however.

    Have you tried rendering _exactly_ as Vimeo requires, to see if that helps? I have had projects that worked in one player and not others, for no apparent reason, let alone an online site.

    Does the mp4 render work in players on your own machine?

    Given that the video works in WMV format, maybe try also posting on a Vimeo related forum? It sounds more like that end, if you are having trouble nowhere else. I looked up a few threads and others have had this problem, but in the past. Someone even commented that they downloaded the video from Vimeo and it worked on their PC.

    I still reckon it will help anywhere if you lay it out step by step…menu, file, render, template group, template. Also maybe grab MediaInfo and post up the results it gives out. Somebody may be able to ID the problem from that.

    As I said, forget Project Properties as far as rendering is concerned. They are all about the actual edit and mostly very little to do with the render, unless the render basically has no settings at all, as I said. I agree it feels weird, but it can aid in workflow when editing. In the end I just stopped fighting it and thought of Mother England. 🙂

  • Charles Flaum

    May 27, 2012 at 9:43 pm

    Yes, I’ve tried rendering the exact specs for Vimeo and then rendering the exact specs for Wistia – however, I think you have hit upon something. None of the mp4 renders work in players on my own system.

  • Nick White

    May 28, 2012 at 12:22 am

    hmmm..OK. I really reckon you need to let us know the exact steps you take, and again, post MediaInfo of one of the videos.

    Also, maybe post up just a few (20-25) seconds of one of the videos, exactly as you post to Vimeo or put to your players, but shorter to save upload/download times so that others can have a look, or try playing on their machines.

    Alternatively, place a link so that people can try to play the Vimeo version and see if its’ your machine, or what.

    But steps and details would really help….seriously. Then we can maybe start delving better. I do not know much about all this but I am a great ferret. 🙂

  • Charles Flaum

    May 28, 2012 at 12:36 am

    Also, I should mention that I am using Build 425 because I found subsequent builds somewhat unstable. I am thinking about updating – especially if I can’t track down this issue. I will supply a screen recording of the process in a few hours.

  • Farrol Gold

    May 30, 2012 at 10:37 pm

    I have Sony Vegas Movie Studio HD 11 and I have compiled a video with sound from camera and overlay music sound .When I preview it in the software it all sounds ok ,but when I burn a DVD of the video there is no sound !

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