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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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7
apps/confbridge/include/confbridge.h
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@@ -41,7 +41,10 @@
#define DEFAULT_BRIDGE_PROFILE "default_bridge"
#define DEFAULT_MENU_PROFILE "default_menu"
/*! Default minimum average magnitude threshold to determine talking by the DSP. */
#define DEFAULT_TALKING_THRESHOLD 160
/*! Default time in ms of silence necessary to declare talking stopped by the bridge. */
#define DEFAULT_SILENCE_THRESHOLD 2500
enum user_profile_flags {
@@ -140,9 +143,9 @@ struct user_profile {
char announcement[PATH_MAX];
unsigned int flags;
unsigned int announce_user_count_all_after;
/*! The time in ms of talking before a user is considered to be talking by the dsp. */
/*! Minimum average magnitude threshold to determine talking by the DSP. */
unsigned int talking_threshold;
/*! The time in ms of silence before a user is considered to be silent by the dsp. */
/*! Time in ms of silence necessary to declare talking stopped by the bridge. */
unsigned int silence_threshold;
/*! The time in ms the user may stay in the confbridge */
unsigned int timeout;