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I am planning to analyze audio via linux command line. There are a lot of analyzers out there which have a graphical interface, but since I want to make an automated input/output of this information I can't use a GUI.

The optimal case would be to send an audiostream from an embedded device to powerful machine, which analyzes the audio and then generates a csv or db entries with the data and builds some graphs out of it for a website.

If there so no such thing for audiostreams, an analyzer for audiofiles will also be a great step forward.

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Command-line batch audio processing tools are sox(http://sox.sourceforge.net/) and ecasound(http://www.eca.cx/ecasound/). You may want to check man soxformat for the list of supported formats (i.e. streaming and file formats). It may be also beneficial to consider including ffmpeg(see http://ffmpeg.org/ffmpeg-all.html) into the toolchain for conversion from some of the exotic codecs into mainstream formats.

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