Changes between Version 7 and Version 8 of audio-problem-dropouts


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Timestamp:
Jan 18, 2007 2:52:00 AM (15 years ago)
Author:
bennylp
Comment:

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  • audio-problem-dropouts

    v7 v8  
    1111See the attachment on the bottom of this page. You can hear the stutters at 2.5 second, 3.8 second, 8.8 second. 
    1212 
    13 (audio file courtessy of Chen Huan <chenhuan at sict.ac.cn> who managed to convince his girlfriend to record the audio for testing). 
     13(audio file courtessy of Chen Huan <chenhuan at sict.ac.cn> who managed to convince his girlfriend to record the audio for testing :) ). 
    1414 
    1515 
     
    2525Chen Huan observed stutters on Windows Mobile devices, and it turns out that this was caused by '''frame duration or {{{samples_per_frame}}} setting that is set too low when opening the sound device'''.  
    2626 
    27 The usual settings for frame duration is 10ms or 20ms, and it seems that Windows Mobile just can't handle this. Increasing the frame duration to 80ms seems to cure the problem. 
     27The usual settings for frame duration is 10ms or 20ms, which is good to provide low delay streaming. But it seems that Windows Mobile just can't handle this, and increasing the frame duration to 80ms seems to cure the problem. 
    2828 
    2929Example: