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CMX618 - RALCWI Vocoders

Download the CMX618 datasheet PDF. This datasheet also covers the CMX608 variant, as both devices belong to the same ralcwi vocoders family and are provided as variant models within a single manufacturer datasheet.

General Description

The CMX608/CMX618/CMX638 are flexible, high integration, high performance, RALCWI (Robust Advanced Low Complexity Waveform Interpolation) Vocoders, offering near toll quality voice at very low bit rates.

A Forward Error Correction (FEC) engine provides optimum performance in real life applications.

Key Features

  • Near Toll Quality RALCWI Coding Algorithm.
  • Multiple Bit Rate Modes:.
  • 2400 or 2750 bps.
  • 3600 bps with FEC Enabled.
  • 4-bit Viterbi Soft Decision Decoding.
  • Integrated Audio CODEC (CMX618/CMX638 only).
  • Integrated Input and Output Channel Filters.
  • 20ms, 40ms, 60ms and 80ms Packet Lengths.
  • No Licensing or Royalty Payments.
  • Ancillary Audio Functions:.
  • Voice Activity Detector.
  • Comfort Noise Generator.
  • DTMF and Single Tone Regeneration.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (CMX608-ConsumerMicrocircuitsLimited.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number CMX618
Manufacturer Consumer Microcircuits Limited
File Size 2.06 MB
Description RALCWI Vocoders
Datasheet download datasheet CMX618 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
CML Microcircuits COMMUNICATION SEMICONDUCTORS CMX608/CMX618/ CMX638 RALCWI Vocoders D/608_18_38/11 September 2014 Features  Near Toll Quality RALCWI Coding Algorithm  Multiple Bit Rate Modes:  2400 or 2750 bps  3600 bps with FEC Enabled  4-bit Viterbi Soft Decision Decoding  Integrated Audio CODEC (CMX618/CMX638 only)  Integrated Input and Output Channel Filters  20ms, 40ms, 60ms and 80ms Packet Lengths  No Licensing or Royalty Payments  Ancillary Audio Functions:  Voice Activity Detector  Comfort Noise Generator  DTMF and Single Tone Regeneration  1.8V Low Power Operation, 3.