---
name: "c2dec"
section: "1"
platform: "linux"
package: "codec2"
version: "1.2.0-3"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/c2dec"
---

# c2dec(1)

codec2 testing framework

## NAME

c2dec - codec2 testing framework

## DESCRIPTION

Codec2 test and evaluation program

## USAGE

c2dec 3200\|2400\|1600\|1400}1300\|1200 InputFile OutputRawFile \[OPTIONS\]

## OPTIONS

- **--help**

  display help and exit

- **--ber**

  Set bit error rate (float)

- **--startbit**

  set start bit (integer)

- **--endbit**

  set stop bit (integer)

- **--berfile**

  specify berfile (file name string)

- **--natural**

  use natural binary code (default is gray code)

- **--dump**

  specify dump file (file name string)

Decodes a file of bits to a file of raw speech samples using codec2.

## SEE ALSO

[c2demo(1)](/c2demo/1.md) [c2enc(1)](/c2enc/1.md) [c2sim(1)](/c2sim/1.md) [fdmdv\_demod(1)](/fdmdv_demod/1.md) fdmdv\_interleave(1) [fdmdv\_mod(1)](/fdmdv_mod/1.md) [fdmdv\_put\_test\_bits(1)](/fdmdv_put_test_bits/1.md) fec\_dec(1) fec\_enc(1) [insert\_errors(1)](/insert_errors/1.md)