-h, --help
Show summary of options.
--version
Prints the espeak library version and the location of the espeak voice data.
-f<textfile>
Text file to speak.
--stdin
Read text input from stdin till to the end of a stream at once.
If neither -f nor --stdin are provided, then <words> from parameter are spoken, or text is spoken from
stdin, read separately one line by line at a time.
-d<device>
Use the specified device to speak the audio on. If not specified, the default audio device is
used.
-q Quiet, don't produce any speech (may be useful with -x).
-a<integer>
Amplitude, 0 to 200, default is 100.
-g<integer>
Word gap. Pause between words, units of 10ms at the default speed.
-k<integer>
Indicate capital letters with: 1=sound, 2=the word "capitals", higher values = a pitch increase
(try -k20).
-l<integer>
Line length. If not zero (which is the default), consider lines less than this length as
end-of-clause.
-p<integer>
Pitch adjustment, 0 to 99, default is 50.
-s<integer>
Speed in words per minute, default is 175.
-v<voicename>
Use voice file of this name from espeak-ng-data/voices. A variant can be specified using
voice+variant, such as af+m3.
-w<wavefilename>
Write output to this WAV file, rather than speaking it directly.
--split=<minutes>
Used with -w to split the audio output into <minutes> recorded chunks.
-b Input text encoding, 1=UTF8, 2=8 bit, 4=16 bit.
-m Indicates that the text contains SSML (Speech Synthesis Markup Language) tags or other XML tags.
Those SSML tags which are supported are interpreted. Other tags, including HTML, are ignored,
except that some HTML tags such as
-x Write phoneme mnemonics to stdout.
-X Write phonemes mnemonics and translation trace to stdout. If rules files have been built with
--compile=debug, line numbers will also be displayed.
-z No final sentence pause at the end of the text.
--stdout
Write speech output to stdout.
--compile=voicename
Compile the pronunciation rules and dictionary in the current directory. =<voicename< is optional
and specifies which language is compiled.
--compile-debug=voicename
Compile the pronunciation rules and dictionary in the current directory as above, but include line
numbers, that get shown when -X is used.
--ipa Write phonemes to stdout using International Phonetic Alphabet. --ipa=1 Use ties, --ipa=2 Use ZWJ,
--ipa=3 Separate with _.
--tie=<character>
The character to use to join multi-letter phonemes in -x and --ipa output.
--path=<path>
Specifies the directory containing the espeak-ng-data directory.
--pho Write mbrola phoneme data (.pho) to stdout or to the file in --phonout.
--phonout=<filename>
Write output from -x -X commands and mbrola phoneme data to this file.
--punct="<characters>"
Speak the names of punctuation characters during speaking. If =<characters> is omitted, all
punctuation is spoken.
--sep=<character>
The character to separate phonemes from the -x and --ipa output.
--voices[=<languagecode>]
Lists the available voices. If =<language code> is present then only those voices which are
suitable for that language are listed. If xx-yy language code is passed, then voices with yy of xx
language variants are shown with higher priority than just xx. If variant is passed, then all
voice variants are shown. If mb or mbrola is passed, then all voices using the MBROLA voice
synthesizer are shown. If all is passed, then all eSpeak NG voices, voice variants and MBROLA
voices are shown.
--voices=<directory>
Lists the voices in the specified subdirectory.