Changes between Version 7 and Version 8 of MeasuringSoundLatency


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Timestamp:
Jul 28, 2008 12:52:44 PM (16 years ago)
Author:
bennylp
Comment:

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  • MeasuringSoundLatency

    v7 v8  
    1717 * You MUST make sure that the loudspeaker level is set high enough so that the speaker output is fed-back to the microphone (i.e. we deliberately want to capture the audio echo) 
    1818 * You need to have a reasonable quiet room to do this test. 
    19  
    20 == Note on the test result below == 
    21  
    22 For this article, I run the test on an Windows XP SP2 desktop machine with on-board !SoundMAX audio device. The test uses PJSIP version 0.9.0-trunk and default pjmedia settings. The default settings should provide reasonable value between latency and stability, and as explained in [wiki:FAQ#audio-latency FAQ on audio latency], you could always tweak the settings if you want shorter latency. 
    2319 
    2420== Measuring Sound Device Latency == 
     
    180176Please see the [wiki:FAQ#audio-latency FAQ on audio latency] on how to optimize latency. 
    181177 
     178== Note on the test result  == 
    182179 
     180For this article, I run the test on an Windows XP SP2 desktop machine with on-board SoundMAX audio device. The test uses PJSIP version 0.9.0-trunk and default pjmedia settings. The default settings should provide reasonable trade-off between latency and stability, and as explained in [wiki:FAQ#audio-latency FAQ on audio latency], you could always tweak the settings if you want shorter latency. 
     181 
     182