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CMX7261

Article: 00025898

Audio codec

CML Microcircuits CMX7261 Multi-transcoder IC supports several speech codecs in one chip. It is part of the CML DuraTALK family of digital voice products.

CMX7261 serves as an audio codec, which can encode analogue voice into linear µ-law or A-law PCM, CVSD or G.729A data formats. The IC can decode PCM, CVSD and G.729A back to analogue voice. The IC is also capable of transcoding data between PCM, CVSD and G.729A. The C-BUS interface, the PCM port or the on-chip convertors (ADC/DAC) are used for passing input and output signals.

The IC uses proprietary FirmASIC component technology. A Function Image data file uploaded when initializing the device helps in configuration of on-chip sub-systems of this voice transcoder IC and defining the function and feature set of the device. It is possible to automatically load the Function Image from a host µC over the C-BUS serial interface or from any outside memory device.

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