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copied!<p>Using <code>eval</code> can do what you want... Depending on what you have in <code>$R_IMG</code>, <code>$SOUND</code> and <code>$OUT</code>, they may need double-quote escaping, eg. <code>\"$SOUND\"</code> .... </p> <p>Your <code>$META</code> (which I assume is another name for youur originally named $ALBUM) doesn't need to be laid out like this, but it surely helps (me) ... Just spaces, as in your original works just as well. </p> <pre><code>META=' -metadata album="Peregrinações" -metadata title="Passeio ao PETAR" -metadata author="Rogério Madureira" -metadata date="2012" -metadata description="Áudio de um passeio ao PETAR" -metadata comment="Áudio capturado com TACAM DR-07MKII e Foto capturada com Canon PowerShot S5IS" '; META="$(echo "$META" |sed 's|"|\\\\"|g' |tr '\n' ' ')" eval "ffmpeg -i $R_IMG -r 1 -b 1800 -i $SOUND -acodec libmp3lame -ab 128k $META -y $OUT" </code></pre> <hr> <p>If you prefer to not use the <code>sed</code> conversion line, you simply need to change each <code>"</code> in <code>$META</code> to <code>\\"</code> as in this next example: </p> <pre><code>META=' -metadata album=\\"Peregrinações\\" -metadata title=\\"Passeio ao PETAR\\" -metadata author=\\"Rogério Madureira\\" -metadata date=\\"2012\\" -metadata description=\\"Áudio de um passeio ao PETAR\\" -metadata comment=\\"Áudio capturado com TACAM DR-07MKII e Foto capturada com Canon PowerShot S5IS" ' eval "ffmpeg -i $R_IMG -r 1 -b 1800 -i $SOUND -acodec libmp3lame -ab 128k $META -y $OUT" </code></pre> <hr> <p>I've tested it successfully with the following <code>ffmpeg</code> encoding parameters: </p> <pre><code>eval "ffmpeg -i ~/input.flv -sameq -acodec libmp3lame -ab 128k $META -y ~/output.mp3" </code></pre>

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