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Friday 13 February 2015

Jaikoz 8.2.0 With Bpm Detection, better Artwork and better Matching

Jaikoz 8.2.0 is released today

Bpm Detection

Jaikoz (Pro Version)  is one of the first applications to support the new AcousticBrainz acoustic information database. This acoustic information describes the acoustic characteristics of music and includes  information such as bpm, moods, keys and scales.

As your songs are matched to MusicBrainz the BPM is added to your files together with all the other metadata already added by Jaikoz.With other BPM solutions the software has to listen to each song to calculate the BPM, this is slow and CPU intensive. But Jaikoz does not have to calculate the BPM itself for over 1 million songs because that work has already been done for you, instead it can just lookup the BPM for the MusicBrainz Recording that the song has been matched to. And because the BPM data has been added directly to the Jthink Music Server Jaikoz has to make no extra additional api calls to get this data, so adding BPM to your files takes no extra time.

Better Artwork 

Discogs has a concept of primary artwork and secondary artwork, primary artwork contains the front cover art and secondary artwork was used for other images such as the back cover or sleeve inserts. It used to be that an editor could specify whether an image was primary or secondary. But now when editing the first image is always considered the primary image and all other images are secondary images, this order can be modified by dragging and dropping the images in Discogs to make a different image the primary image.

However the Discogs data dumps contain many releases that only contain secondary images and no primary images. The precise reason for this is still unclear but whereas Jaikoz previously ignored secondary images meaning no Discogs images was found for these releases this new version now makes use of the secondary image if a release contains no primary image but does contain secondary images.

Better matching

If you have iTunes configured to make a copy of all songs added to it (the default) then any songs with no metadata are added to the Unknown Artist/Unknown Album folder. Jaikoz now realizes that this folder does not represent an actual album and therefore should be treated as one.

There also some other improvements to the matching algorithm

Rating now copied to Tunes

Unlike other metadata like artistname/albumname iTunes stores rating within its database which is why they don't get picked up by default.

So now if you have iTunes AutoUpdate enabled
1. If you modify the rating field within Jaikoz then that rating will be copied into iTunes database
2. If you don't modify the rating but your file has a rating the rating is not copied into iTunes because since the file was originally added to iTunes you may have changed the rating in iTunes and you would not want the iTunes rating to be overwritten with the original rating.
3. But if the file is not currently in iTunes then the rating is copied to iTunes regardless of whether it has been modified.
4. If you use ForceSave then once again the rating will be copied to iTunes even if not modified.

Jaikoz not starting if language preferences set to Turkish

Usually bugs found in Jaikoz are of my own making, but not always. A bug in Java on OSX causes it to crash if the locale is set to Turkish and attempt is made to try and call an external program. Unfortunately that is just what we do when we start Jaikoz to check the fingerprinting program is installed, now fixed and thank you to Mehmet for bringing this problem to my attention.

The full list of fixes can be found here

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