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m3u8 Stream Quality compared to f4m on Computer

Mar 21, 2013 4:19 PM

Tags: #quality #stream #m3u8

Hi!

 

We are trying to optimize our stream so that it will work on mobile devices. Presently, it works very good on a computer, so the f4m stream is working fine with no issues.

 

http://66.186.176.18/hds-live/livepkgr/_definst_/liveevent/livestream. f4m

 

However, when users try to play the m3u8 stream, the video is great, but the audio is terrible! Every second there's gibberish that messes up the audio feed.

 

http://66.186.176.18/hls-live/livepkgr/_definst_/liveevent/livestream. m3u8

 

Here's the present settings for the stream:

 

Frame Rate: 25

H.264 Codec - Level 3.0 (for compatibility with early iOs devices) - Keyframe 4 seconds

 

Video Bitrate: 700 (We tried with 500 and the issue remains)

size: 320 x 240 for both input/output

 

Audio:

 

mono

Bitrate: 96

Sample Rate: 44100 Hz

Format: mp3

 

Can anyone tell us why the audio is so choppy on the ios side and what settings we can change to improve it?

 
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