diff options
Diffstat (limited to 'usr.sbin/i4b/dtmfdecode/dtmfdecode.1')
| -rw-r--r-- | usr.sbin/i4b/dtmfdecode/dtmfdecode.1 | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/usr.sbin/i4b/dtmfdecode/dtmfdecode.1 b/usr.sbin/i4b/dtmfdecode/dtmfdecode.1 index c1e296c7b51d..53f673af6e9c 100644 --- a/usr.sbin/i4b/dtmfdecode/dtmfdecode.1 +++ b/usr.sbin/i4b/dtmfdecode/dtmfdecode.1 @@ -48,7 +48,8 @@ It reads audio G.711 A-Law coded data from stdin and outputs the detected numbers values as ASCII characters to stdout. .Pp The detector is implemented as 8 narrow band-pass filters realized with -an integer double-cross recursive algorithm. Various ad-hoc methods are +an integer double-cross recursive algorithm. +Various ad-hoc methods are employed to provide hysteresis and anti-bounce for the detected signals. .Sh EXAMPLES The command: |