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app_confbridge: Update dsp_silence_threshold and dsp_talking_threshold docs.

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The dsp_talking_threshold does not represent time in milliseconds.  It
represents the average magnitude per sample in the audio packets.  This is
what the DSP uses to determine if a packet is silence or talking/noise.

Change-Id: If6f939c100eb92a5ac6c21236559018eeaf58443
This commit is contained in:
Richard Mudgett
2018-01-30 15:00:32 -06:00
parent 6c5e3226ec
commit b9024197ab
7 changed files with 151 additions and 110 deletions
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11
bridges/bridge_softmix.c
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@@ -53,9 +53,16 @@
/*! \brief Number of mixing iterations to perform between gathering statistics. */
#define SOFTMIX_STAT_INTERVAL 100
/* This is the threshold in ms at which a channel's own audio will stop getting
* mixed out its own write audio stream because it is not talking. */
/*!
* \brief Default time in ms of silence necessary to declare talking stopped by the bridge.
*
* \details
* This is the time at which a channel's own audio will stop getting
* mixed out of its own write audio stream because it is no longer talking.
*/
#define DEFAULT_SOFTMIX_SILENCE_THRESHOLD 2500
/*! Default minimum average magnitude threshold to determine talking by the DSP. */
#define DEFAULT_SOFTMIX_TALKING_THRESHOLD 160
#define SOFTBRIDGE_VIDEO_DEST_PREFIX "softbridge_dest"