Compiling and Using CMU Sphinx in GNU Debian Linux

CMU Sphinx, also called Sphinx in short, is the general term to describe a group of speech recognition systems developed at Carnegie Mellon University. These include a series of speech recognizers (Sphinx 2 – 4) and an acoustic model trainer (SphinxTrain). Here are brief steps for compilation and usage of CMU Sphinx in Debian.

1. Download sphinxbase and pocketsphinx from github:
   
   download

   Shell

   $ apt-get install git $ git clone https://github.com/cmusphinx/sphinxbase.git $ git clone https://github.com/cmusphinx/pocketsphinx.git

   1 2 3

   $ apt-get install git $ git clone https://github.com/cmusphinx/sphinxbase.git $ git clone https://github.com/cmusphinx/pocketsphinx.git

2. Install prerequisite packages  as:
   
   packages

   Shell

   $ su # apt-get install autoconf libtool automake bison python-dev swig libpulse-dev libasound2-dev # exit

   1 2 3

   $ su # apt-get install autoconf libtool automake bison python-dev swig libpulse-dev libasound2-dev # exit

3.   Add write access to /usr/local for current user as:
   
   access rights

   Shell

   $ su # chown -R 'i' /usr/local

   1 2	$ su # chown -R 'i' /usr/local

4. Export following paths:
   
   lib paths

   export LD_LIBRARY_PATH=/usr/local/lib export PKG_CONFIG_PATH=/usr/local/lib/pkgconfig

   1 2	export LD_LIBRARY_PATH=/usr/local/lib export PKG_CONFIG_PATH=/usr/local/lib/pkgconfig

5. Change directory to sphinx base and compile it:
   
   Compile of Sphinx Base

   Shell

   $ cd sphinxbase $ ./autogen.sh $ make $ make install

   1 2 3 4

   $ cd sphinxbase $ ./autogen.sh $ make $ make install

6. In case of any update:
   
   update of compile

   Shell

   $ make clean all $ ./configure $ make $ make install

   1 2 3 4

   $ make clean all $ ./configure $ make $ make install

7. Then change directory to pocketsphinx and compile it:
   
   compile of pocket sphinx

   Shell

   $ cd pocketsphinx $ ./autogen.sh $ make $ make install

   1 2 3 4

   $ cd pocketsphinx $ ./autogen.sh $ make $ make install

8. In case of any update:
   
   Shell

   $ make clean all $ ./configure $ make $ make install

   1 2 3 4

   $ make clean all $ ./configure $ make $ make install

9. To test run below command and wait for ready. Say a word in microphone and it will guess and type that word:
   
   Shell

   $ pocketsphinx_continuous -inmic yes

   1	$  pocketsphinx_continuous -inmic yes