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ESPEAK-NG(1) ESPEAK-NG(1) NAME espeak-ng - A multi-lingual software speech synthesizer. SYNOPSIS espeak-ng [options] [words] DESCRIPTION espeak-ng is a software speech synthesizer for English, and some other languages. OPTIONS -h, --help Show summary of options. --version Prints the espeak library version and the location of the espeak voice data. -f <text file> 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 <voice name> Use voice file of this name from espeak-ng-data/voices. A 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 <hr> <h2> and <li> ensure a break in the speech. -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[=<language code>] 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 Lists the voices in the specified subdirectory. EXAMPLES espeak-ng "This is a test" Speak the sentence "This is a test" using the default English voice. espeak-ng -f hello.txt Speak the contents of hello.txt using the default English voice. cat hello.txt | espeak-ng Speak the contents of hello.txt using the default English voice. espeak-ng -x hello Speak the word "hello" using the default English voice, and print the phonemes that were spoken. espeak-ng -ven-us "[[h@'loU]]" Speak the phonemes "h@'loU" using the American English voice. espeak-ng --voices List all voices supported by eSpeak. espeak-ng --voices=en List all voices that speak English (en). espeak-ng --voices=mb List all voices using the MBROLA voice synthesizer. AUTHOR eSpeak NG is maintained by Reece H. Dunn msclrhd@gmail.com. It is based on eSpeak by Jonathan Duddington jonsd@jsd.clara.co.uk. This manual page is based on the eSpeak page written by Luke Yelavich themuso@ubuntu.com for the Ubuntu project. June 2022 ESPEAK-NG(1)