function 'PITCH_SHIFT'

[Synopsis]
Pitch shift both tx and rx audio streams on a channel.
 
[Description]
Examples:
exten => 1,1,Set(PITCH_SHIFT(tx)=highest); raises pitch an octave
exten => 1,1,Set(PITCH_SHIFT(rx)=higher) ; raises pitch more
exten => 1,1,Set(PITCH_SHIFT(both)=high)   ; raises pitch
exten => 1,1,Set(PITCH_SHIFT(rx)=low)    ; lowers pitch
exten => 1,1,Set(PITCH_SHIFT(tx)=lower)  ; lowers pitch more
exten => 1,1,Set(PITCH_SHIFT(both)=lowest) ; lowers pitch an octave
exten => 1,1,Set(PITCH_SHIFT(rx)=0.8)    ; lowers pitch
exten => 1,1,Set(PITCH_SHIFT(tx)=1.5)    ; raises pitch
 
[Syntax]
PITCH_SHIFT(channel direction)
 
[Arguments]
channel direction
    Direction can be either 'rx', 'tx', or 'both'.  The direction can
    either be set to a valid floating point number between 0.1 and 4.0 or
    one of the enum values listed below. A value of 1.0 has no effect.  Greater
    than 1 raises the pitch. Lower than 1 lowers the pitch.
    The pitch amount can also be set by the following values
    highest
    higher
    high
    low
    lower
    lowest

[See Also] Not available

Asterisk: функции диалплана

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  • asterisk/func/pitch_shift.txt
  • Последние изменения: 2014/05/07