Mscanalysis

Mscanalysis is a set of tools for determining characteristics of Audio and returning them to a user in a meaningful way.

Install

Essentia tools are now bundled in the bin directory. You may need to install the following to function properly:

Copy the essentia files in bin to /usr/local/bin/ to ensure they get picked up properly.

sudo apt-get install build-essential libyaml-dev libfftw3-dev libavcodec-dev libavformat-dev libavutil-dev libavresample-dev python-dev libsamplerate0-dev libtag1-dev libchromaprint-dev python-six

And make sure FFMPEG is installed too.

Run bundle to install necessary dependencies.

bundle install

NOW with Sinatra powered API

Currently in dev

Setup database

rake db:migrate

Run the server

rerun 'ruby -Ilib application.rb'

Current simple version

After you have spun up the server, you can visit http://localhost:4567/upload and upload an audio file.

To view all analyzed files go to http://localhost:4567/songs

No full proper views yet.

From command line - while Server is running

Make a request to the current song key endpoint

curl -v -F "data=@demo_files/02 - Antikue - Into Jomsom.wav" http://localhost:4567/song_key

Use the script in IRB.

Get Song Key

Open get_song_key.rb Change @file to your chosen filename

Run:

ruby get_song_key.rb

The output will guess the key of the song.

Get Song Tempo

@song = SongTempo.new '../demo_files/01 - Opening Sequence - Outside (Raining).mp3'
@song.tempo
@song.tempo_float

This will output the tempo of the song.

Dependencies / Requirements

Aubio

Development

Currently undergoing heavy development.

Dependencies

Essentia

This software relies on the awesome Essentia software. All binaries that are needed canbe found in the /bin/ folder along with a copy of the license for Essentia's work.

Aubio - depreciating

You are only required to install the standard Aubio binary to use these scripts, you may obtain it and the source code from: Github

Implementations

Going back to square one as Essentia can help with pretty much all of these.

DONE

Musical Key

Using Aubio

TODO - Need help integrating these!

Danceability

Duration

Energy

Loudness

Tempo

Possibility to use MiniBPM (https://bitbucket.org/breakfastquay/minibpm)

Time Signature