CT8022 Datasheet, PDF (128/194 Pages) List of Unclassifed Manufacturers – VOIP/VON G.723.1, G279AB TRUESPEECH CO-PROCESSOR

TrueSpeech® Co-Processor
PRELIMINARY/CONFIDENTIAL
Status (S4):
Frequency Factor for Tone 1
(15-0)
TONE INDEX:
Gain1,Gain0:
Frequency Factor:
index in range 1 to 31, index 0 is reserved for a “silent” tone.
level value from tone level table
32767 x cosine(2 x pi x F/8000)
Where pi = 3.14159
F is the desired frequency
8000 is the sample rate at which the CODEC is operating
Note: Single frequencies can be generated by setting either frequency factor to 7FFFH
Version: 1.18
128
DSP GROUP, INC., 3120 SCOTT BOULEVARD
CT8022A11AQC FW Revision 0118
SANTA CLARA, CA 95054 PH: 408 986 – 4300 FAX: 408 986 – 4490
All specifications are subject to change without prior notice.