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テスト用のmp3ファイルをsayコマンドを使って作成する

Last updated at Posted at 2016-01-18

音声再生系のサービスのテストでmp3のダミーデータが欲しい時にMacユーザーならsayコマンドを使って簡単に用意できます。

terminalを開いてまずはhomebrewをインストール
ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"

homebrewのインストールが終わったらffmpegをインストール
brew install ffmpeg

sayコマンドで「こんにちは」と喋らせ、それを.aiffとして書き出し
say -v Kyoko こんにちは -o first.aiff

ffmpegを使ってaiffをmp3ファイルに変換
ffmpeg -i first.aiff hello.mp3

参考
Macのsayコマンドの使い方
ffmpegの使い方

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