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https://github.com/divVerent/ecantorix

Singing synthesis frontend for espeak
https://github.com/divVerent/ecantorix

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Singing synthesis frontend for espeak

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README 

        
=========

eCantorix

=========



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eCantorix is a singing synthesis frontend for espeak. It works by using espeak

to generate raw speech samples, then adjusting their pitch and length and

finally creating a LMMS project file referencing the samples in sync to the

input file.



Dependencies

============



* espeak

* sox

* LMMS

* Perl

  * Config::Tiny

  * MIDI::Opus

  * Math::FFT



Installation

============



Under Linux, do:



	sudo apt-get install espeak sox libmidi-perl

	

	sudo perl -MCPAN -e 'install Math::FFT'



To build the examples, also do:



	sudo apt-get install abcmidi



Building the examples

=====================



Under Linux, do:



	cd examples

	

	make

	

	cd ..



How to use

==========



The input file for eCantorix is a slightly more strict MIDI karaoke (.kar) file.



Lyrics have to be stored as text events in the same track as the notes

associated with them.



A lyrics event then covers all notes starting between itself and the next

text event.



You can use an empty text event to end the range of notes covered by lyrics.



In case the range of a lyrics event covers multiple notes, the notes must be

all connected (legato), as they will be performed as a single audio sample

with pitch shifting. This feature however yields poor quality lyrics and is

not recommended - it tends to sound better to rather use separate lyrics events

and thus split a syllable into two, like "soft" -> "saw-oft".



For polyphony, you can either use multiple tracks (with each having their own

instance of the lyrics), or a single track and have the notes placed on multiple

MIDI channels (they then will share the lyrics).



Once you have such an input file, run::



	perl ecantorix.pl -O mmp -o foo.mmp foo.mid



The result is a LMMS project file that can be processed to an audio file using::



	lmms -o foo.wav --render foo.mmp



You can also render to a wave file directly::



	perl ecantorix.pl -O wav -o foo.wav foo.mid



Also, there is now preliminary support for Vocaloid (VSQ) files. The phonemes

are not used yet, though, as doing this would require an external mapping table

that depends on the Vocaloid voice in use.



License

=======



This software, as well as espeak, is licensed under the GPL version 3 (see the

included file COPYING) or any later version, at your choice.



The author believes that the license of the program does not affect licensing

or copyright of the output files; therefore you can use the output files for

any purpose of your liking.



The example files are licensed as follows:



examples/entchen.abc

        This is a wellknown German children's tune.

        Public domain (unknown author, but sure dead for more than 70 years).



examples/nacht-v.abc

        This is from the Zauberflöte (Magic Flute).

        Public domain (Wolfgang Amadeus Mozart).



examples/sadi-moma.abc

        This is the Free Software Song.

        No copyright is claimed on this song or its ABC typesetting by me,

        Richard Stallman, or the FSF.



examples/sadi-moma-pitchbend.abc 

        This is the Free Software Song.

        No copyright is claimed on this song or its ABC typesetting by me,

        Richard Stallman, or the FSF.



examples/sadi-moma-qon.abc

        This is the Free Software Song.

        No copyright is claimed on this song or its ABC typesetting by me,

        Richard Stallman, or the FSF.



examples/sarastro.abc

        This is from the Zauberflöte (Magic Flute).

        Public domain (Wolfgang Amadeus Mozart).