[Freeswitch-users] Discovered problem with PocketSphinx build?

[Michael Collins]

If you have confirmed the 8k vs. 16kHz then yes, please add to the wiki.
-MC

On Thu, Jul 28, 2011 at 5:06 AM, Bryan Smart <bryansmart at bryansmart.com>wrote:

> I partially figured out my problem.
>
> Communicator only works for 8Khz. For 16Khz, you need WSJ1. I wonder why it
> isn't included with Freeswitch?
>
> WSJ1 is available from this page:
> http://www.speech.cs.cmu.edu/sphinx/models/
>
> Direct link for the latest release:
>
> http://www.speech.cs.cmu.edu/sphinx/models/wsj_jan2008/wsj_all_sc_5000_20080401.tar.gz
>
> Rename the extracted folder to wsj1, and place in grammar/model.
>
> For FS to use it, in pocketsphinx.conf.xml, set wideband-model:
>
> <param name="wideband-model" value="wsj1"/>
>
> ASR works fine for me now at 16Khz.
>
> Should I add this to the wiki? Maybe FS could have automatically installed
> wsj1, but I was clueless about the required build option.
>
> Bryan
>
> On Jul 27, 2011, at 6:46 PM, Bryan Smart wrote:
>
> Tried a build with a latest GIT, with PocketSphinx enabled, and get:
>
> Creating mod_pocketsphinx.la...
>
> /bin/sed: can't read
> /usr/src/freeswitch/libs/pocketsphinx-0.7/../sphinxbase/src
> /libsphinxbase/libsphinxbase.la: No such file or directory
>
> quiet_libtool: link:
> `/usr/src/freeswitch/libs/pocketsphinx-0.7/../sphinxbase/sr
> c/libsphinxbase/libsphinxbase.la' is not a valid libtool archive
>
> cat: .libs/mod_pocketsphinx.log: No such
> make[5]: *** [mod_pocketsphinx.la] Error 1
>
>
> I don't pretend to fully understand the build system, but the makefile
> seems to be trying to go to libs/sphinxbase for files, when that directory
> doesn't exist. The currently downloaded version of sphinxbase has the
> version appended to the directory name, as in sphinxbase-0.7. The Sphinx
> readme warns that the root should be named sphinxbase.
>
> I did:
>
> ln -s sphinxbase-0.7 sphinxbase
>
> and the build finished without problems.
>
> PocketSphinx works fine on a hardware phone using ULAW, but, when I use a
> softphone with 16Khz Speex, it doesn't. Instead, I get this
>
> 2011-07-27 21:43:14.651803 [WARNING] mod_pocketsphinx.c:147 Can't open
> speech model /usr/local/freeswitch/grammar/model/wsj1.
>
> The only item in the model directory is communicator. I thought wsj1 was
> the old model. What in Freeswitch would try to use wsj1 over communicator
> based on the codec/rate? The mod_pocketsphinx wiki page says that 16Khz is a
> supported sampling rate, so I'm guessing that there is a special reason why
> Speex doesn't work, or else that this is a bug.
>
> Bryan
>
>
>
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