Digital Voice Products

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CMX608
 
CMX618
 
CMX638

FX619

MX629

CMX639

CMX649

 

CMX7261

Description

RALCWI™ Vocoders

Eurocom Delta
 
Codec

Military Delta   Modulation Codec

CVSD Voice
 
Codec

Adaptive Delta   Modulation (ADM) Codec

Voice Multi   Transcoder (FirmASIC®)

Voice-data Scheme

RALCWI™

CVSD

CVSD

CVSD

• ADM
 
• CVSD
 
• PCM

• ADM
 
• CVSD
 
• PCM
 
• G.729A
 
• G.711

Voiceband Codec

• CMX618
 
• CMX638

Yes

Yes

Yes

Yes

Yes

Data Rates

• 2050bps
 
• 2400bps
 
• 2750bps
 
• 3600bps
 
(with FEC)

8 to 64 kbps

8 to 64 kbps

8 to 64 kbps

16 to 128 kbps

• APCM
 
64 to 128 kbps
 
• CVSD
 
16 kbps

Voiceband
 
Processing

Vocoding; Input   and Output Filters

Input and Output
 
Filters

Input and
 
Output Filters

Input and
 
Output Filters

• Input and Output
 
Filters
 
• Digital Scrambling

Input and Output
 
Filters

Signalling

Regeneration of:
 
• DTMF
 
• Audio Tone/s

No

No

No

No

No

Family Applications

- Digital Radio:PMR/LMR and Trunked

- DMR TDMA and FDMA

- Voice-over IP (VoIP)

- Regenerative Digital Voice Systems

- Voice Scrambling and Encryption

- Time Domain Scramblers

- Cordless Telephone

- Military Communications

- Voice Recording and Storage

- Voice Annunciators

- Voice Annunciators

- Delay Lines

- Time Division Duplex (TDD) Systems


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