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opusenc: Convert speech audio at the lowest quality level.
$ opusenc ${path-to-input-wav} --downmix-mono --bitrate ${6} ${path-to-out}.opus
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This command is using the opusenc tool to encode a WAV file to the Opus audio format. Here is a breakdown of the command:

  1. opusenc: This is the executable command for the opusenc tool.
  2. ${path-to-input-wav}: This is a placeholder for the path to the input WAV file. You need to replace this placeholder with the actual path to the input WAV file on your system.
  3. --downmix-mono: This option instructs opusenc to downmix the audio to mono if it is in stereo or has multiple channels. Mono audio has only one channel, making the file smaller in size.
  4. --bitrate ${6}: This option sets the target bitrate for encoding the Opus file. The ${6} placeholder should be replaced with the desired bitrate value (in kbps) you want for the output Opus file. In this example, it is set to 6 kbps.
  5. ${path-to-out}.opus: This is a placeholder for the path and filename of the output Opus file. Like the first placeholder, you need to provide the actual path and desired name for the output Opus file.

When you run this command with the appropriate values filled in, it will encode the input WAV file to Opus format with the specified settings and save the output file at the specified location.

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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