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Audio::SPX 0.0801

  Date Added: November 01, 2010  |  Visits: 677

Audio::SPX

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Audio::SPX is a Perl interface to the Sphinx-II audio library. SYNOPSIS use Audio::SPX; my $ad = Audio::SPX->open_sps(16000); $ad->start_rec or die "start_rec failed"; $ad->stop_rec or die "stop_rec failed"; my $samples = $ad->read($buf, $max); my $cad = Audio::SPX::Continuous->init($ad); my $cad = Audio::SPX::Continuous->init_nbfh($fh, $sps); my $cad = Audio::SPX::Continuous->init_raw($fh, $sps); $cad->calib; $cad->calib_loop($buf); $cad->set_thresh($sil, $sp); $cad->set_params($delta_sil, $delta_speech, $min_noise, $max_noise, $winsize, $speech_onset, $sil_onset, $leader, $trailer); my ($delta_sil, $delta_speech, $min_noise, $max_noise, $winsize, $speech_onset, $sil_onset, $leader, $trailer) = $cad->get_params; # If init_raw was used, this will consume the data in $buf, then # write back any non-slience data. Yes, this feature is # undocumented in the Sphinx-II headers. Yes, its very useful. my $samples = $cad->read($buf, $max); $cad->reset; $cad->detach; $cad->attach($ad); $cad->read_ts; $cad->set_logfp(*FH); Warning! This interface is suboptimal and is therefore probably going to change, both in the Perl module and the underlying library. BUGS The only supported sample rate for Audio::SPX is 16kHz (Audio::SPX::Continuous should be fine with others). init_sps() will simply fail rudely if you try something else... which means it isnt really very useful. I suggest either opening the audio device yourself, setting non-blocking mode (beware, some sound drivers dont like this...) and passing it to the init_nbfh method in Audio::SPX::Continuous, or using init_raw and managing the audio device yourself. There isnt enough documentation yet, partly because the API is somewhat in flux, and partly because I havent figured out what some of this stuff does either..

Requirements: No special requirements
Platforms: Linux
Keyword: Audio Audiospx Ii Init Interface Libraries Perl Programming Sil Speech Spx
Users rating: 0/10

License: Freeware Size: 91.14 KB
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