If you have confirmed the 8k vs. 16kHz then yes, please add to the wiki.
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:Direct link for the latest release:
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.BryanOn 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 directoryquiet_libtool: link: `/usr/src/freeswitch/libs/pocketsphinx-0.7/../sphinxbase/src/libsphinxbase/libsphinxbase.la' is not a valid libtool archivecat: .libs/mod_pocketsphinx.log: No suchmake[5]: *** [mod_pocketsphinx.la] Error 1I 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 sphinxbaseand 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 this2011-07-27 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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