Hi ,
it implies that under this CONFIG_VOICEBUS_ECREFERENCE code inside this condition will never execute. if we need it should be defined . Regards Upendra On Tue, Nov 20, 2012 at 8:55 PM, Shaun Ruffell <[email protected]> wrote: > On Tue, Nov 20, 2012 at 05:18:12PM +0530, upendra wrote: > > Hi, > > > > just going through the code i found that this > CONFIG_VOICEBUS_ECREFERENCE > > undef in the voicebus then how it will defined to run the echo cancell on > > the respective drievers wctdm24xxp ?? > > explain how this CONFIG_VOICEBUS_ECREFERENCE enabled and where it is > > enabled while run time. > > It's a compile time option that was in added to the code for testing > in certain environments [1]. It doesn't enable / disable the > echocanceler, but instead changes the default processing to provide > a more accurate reference signal when latency grows large. > > [1] http://svnview.digium.com/svn/dahdi?view=revision&revision=9144 > > If you would like to use it for some reason, in > drivers/dahdi/voicebus.h change "#undef CONFIG_VOICEBUS_ECREFERENCE" > to "#define CONFIG_VOICEBUS_ECREFERENCE". > > In practice, I've found that it's generally better to fix what on > the system is causing latency to grow so large instead of enabling > that option. > > Cheers, > Shaun > > -- > Shaun Ruffell > Digium, Inc. | Linux Kernel Developer > 445 Jan Davis Drive NW - Huntsville, AL 35806 - USA > Check us out at: www.digium.com & www.asterisk.org > > -- > _____________________________________________________________________ > -- Bandwidth and Colocation Provided by http://www.api-digital.com -- > New to Asterisk? Join us for a live introductory webinar every Thurs: > http://www.asterisk.org/hello > > asterisk-users mailing list > To UNSUBSCRIBE or update options visit: > http://lists.digium.com/mailman/listinfo/asterisk-users >
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