Digital Voice Systems AMBE-3000 Specifications download pdf (Page 82)

AMBE-3000™ Vocoder Chip Users Manual

Version 2.8, August, 2011

Dat

a and Configuration Packets

CMODE Field - Format

Field Identifier Data

1 Byte 1 Word

0x02 See Table 102 CMODE Parameters Table

Table 100 CMODE Field Format

CMODE Field - Parameters

1 Word

Bit Number 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0

Parameter

TS_E

TD_E DTX_E

R R

CP_E CP_S NS_E

R R R R R R

Table 101 CMODE Parameters Table

CMODE Field – Parameters Key

Parameter Description CMODE Name

ALL RESERVED BITS SHOULD BE SET TO ZERO

Reserved

NS_E Noise Suppression Enable NS_Enable

CP_S Compand Select CP_Select

CP_E Compand_Enable CP_Enable

DTX_E Discontinous Transmit Enable DTX_ENABLE

TD_E Tone Detection Enable TD_ENABLE

TS_E *Tone Send Enable TS_ENABLE

Table 102 CMODE Parameters Table Key

* Note: Tone generation can only be used when operating in packet mode.

TONE fields (3 bytes) can be used to force the encoder to transmit a tone frame. The frequency (or frequencies) and amplitude

of the tone are specified by this field. For durations of greater than 20 ms, the TONE field must be repeated for consecutive

frames. (DTMF Code Value and Amplitude Value are in Hex)

TONE Field - Format

Field Identifier DTMF TONE Data Amplitude Data

1 Byte 1 Byte 1 Byte

0x08

See Table 104 TONE Index

Values

See Table 105 TONE

AMPLITUDE Values

Table 103 TONE Field Format

TONE_IDX (Field ID 0x00)

Can specify the index of a desired tone or identify the index of a detected or received tone.

Tone Index Values

Parameter Name Description TONE

(Subject to Change) Page 72

DVSI CONFIDENTIAL PROPRIETARY

1 2 ... 77 78 79 80 81 82 83 84 85 86 87 ... 101 102

Comments to this Manuals

No comments

Digital Voice Systems AMBE-3000 Specifications Page 82

Comments to this Manuals