espeak:tldr:732e6

espeak: Save output to a WAV audio file, rather than speaking it directly.

espeak

$ espeak -w ${filename-wav} "It's GNU plus Linux"

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The command you provided, "espeak -w ${filename-wav} "It's GNU plus Linux"", is a command that uses the eSpeak speech synthesizer program to convert text into speech and save it as a WAV audio file. Here's a breakdown of the command:

espeak: This is the command for the eSpeak program, which is a compact speech synthesizer for Linux.
-w ${filename-wav}: This option specifies the filename, where ${filename-wav} represents a placeholder for the actual filename you want to use. The -w flag indicates that you want to save the synthesized speech as a WAV audio file with the specified name.
"It's GNU plus Linux": This is the text that you want to convert into speech. In this case, it is the phrase "It's GNU plus Linux".

So, when you execute this command, eSpeak will generate speech from the provided text and save it as a WAV file with the specified filename.

This explanation was created by an AI. In most cases those are correct. But please always be careful and never run a command you are not sure if it is safe.

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