Dialogic 05-2548-006 Manual Do Utilizador
10
Dialogic
®
Multimedia Software for ATCA Release 1.0 Release Update, Rev 06 — January 23, 2008
Dialogic Corporation
The QCELP coder type supports frame size of 20; frames per packet of 1, 2, or 3; and
eVadEnableValue of CODER_VAD_DISABLE.
eVadEnableValue of CODER_VAD_DISABLE.
Updates to IPM_AUDIO_CODER_OPTIONS_INFO
The IPM_AUDIO_CODER_OPTIONS_INFO data structure has the following additional
values:
values:
unCoderOptions
For QCELP, set to CODER_OPT_SIGNALING_OFF.
unParm1
For QCELP, where the media type is
MEDIATYPE_AUDIO_REMOTE_CODER_OPTIONS_INFO, valid values are:
MEDIATYPE_AUDIO_REMOTE_CODER_OPTIONS_INFO, valid values are:
•
CODER_OPT_CDMA_RATE_REDUC - Rate reduction. Bit rate is varied to
achieve a variety of average bit rates for more flexibility in bandwidth usage.
achieve a variety of average bit rates for more flexibility in bandwidth usage.
nValue1
For QCELP 8 kbps, where unParm1=CODER_OPT_CDMA_RATE_REDUC, possible
values are 0 and 4. Default value is 0.
values are 0 and 4. Default value is 0.
For QCELP 13 kbps, where unParm1=CODER_OPT_CDMA_RATE_REDUC,
possible values are 0, 1, 2, 3, and 4. Default value is 0.
possible values are 0, 1, 2, 3, and 4. Default value is 0.
unParm2
For QCELP, set to 0.
nValue2
For QCELP, set to 0.