Need Some Advice with Identifying Audio Issue with Certain Video Files

[Monta333]

I have been using a Sumvision Cyclone Micro 4 media box to play movie files through my LG smart TV. It has an HDMI connection.

Lately I have noticed that certain files play with 'washy' audio, almost as if the sound is coming from underwater, if that makes sense. Some of the files are...

[clhomme]

I'm losing my mind.

I'm using Sony Vegas 11.
I render my video as required. Render file comes out at 4.2g.
I render the audio separately as AC3. Render file comes out at 170mb.

When I put them in DVDA, the video file is still 4.2g, but the audio is reported at...

[timbuk2]

I'm attempting to convert MP4 to AVI using the latest version of Streamclip for Windows and am losing the audio in the process somehow. Searching for a forum or help file that can answer this. I'm using the new, awesome GoPro Car Cam and having to convert the files in order to import them into Prem...

[theChameleonXXX]

hello, i read... ok, i glanced at the IANA's RFC 3555 and found out that there are many types of mp4. audio, and several types of video.

my problem is, how do u tell them apart? is there a website that has this information?

for example, wat is the header for each of these...