PERL Text-to-Speech using Cepstral voices (libswift)

I’ve released two new PERL modules:

Speech::Swift – a PERL interface to the Cepstral text-to-speech engine, Swift.


Speech::Swift::Simple – a simplified interface to Speech::Swift

The libswift shared library is required to support this code, which is included with every voice downloaded from Cepstral.

The reason for two releases, is that the Speech::Swift module exports all (well, almost all) the underlying functions of the library, while Speech::Swift::Simple has a simplified interface to generate speech in a just a few function calls.

For example:


use Speech::Swift::Simple;

# create a new Speech::Swift::Simple with one channel audio, and 16bit encoding.
my $s = new Speech::Swift::Simple(
         channels => 1,
         encoding => Speech::Swift::AUDIO_ENCODING_PCM16

# set the voice to use by name

# synthesize the text, and return it as a Speech::Swift::Simple::Wav object
my $wav = $s->generate("My name is allison");

# write the wav object to a file.

Or use the Speech::Swift library directly, for a more low-level interface.

The audio output is always as a WAV file; you can use one of the many audio modules available from CPAN, likeĀ Audio::GSM or Audio::MPEG, to re-encode the audio as needed.

Both PERL modules are available for download from CPAN now.

2 thoughts on “PERL Text-to-Speech using Cepstral voices (libswift)

  1. speech to text

    That is exactly what I was looking for. Please approve my appreciate for this site. Thanks!

  2. mike

    Problem installing on OSX

    pro-5:Speech-Swift-1.0 mike$ perl Makefile.PL
    Warning (mostly harmless): No library found for -lswift
    Warning (mostly harmless): No library found for -lceplang_en
    Warning (mostly harmless): No library found for -lceplex_us
    Writing Makefile for Speech::Swift
    Writing MYMETA.yml and MYMETA.json
    pro-5:Speech-Swift-1.0 mike$ make
    Skip blib/lib/Speech/ (unchanged)
    cc -c -I. -I/opt/swift/include -arch i386 -arch x86_64 -g -pipe -fno-common -DPERL_DARWIN -fno-strict-aliasing -fstack-protector -Os -DVERSION=\”1.0\” -DXS_VERSION=\”1.0\” “-I/System/Library/Perl/5.18/darwin-thread-multi-2level/CORE” Swift.c
    Swift.xs:51:10: fatal error: ‘swift.h’ file not found
    #include “swift.h”
    1 error generated.
    make: *** [Swift.o] Error 1

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