Pex SDK - Release Notes

Version 4.6.1

  • Enhanced Cover Song Detection

    • Melody lookups can now include an additional phonetic fingerprint in the same request.

    • Detection can identify matches based on either melody or phonetic similarity to assets in the Pex registry.

    • More details can be found at Search Types & Use Cases

  • Content Classification

    • Analyze a query file to detect if it contains any music, speech, and/or silence segments.

    • Can be combined with an audio lookup to identify music content that contain no matches to any commercial tracks in the Pex registry

    • More details can be found at Content Classification

  • Melody Matching Improvements

    • Optimizations to the melody matching (approximately 35% higher true positive rate)

In order to access these new features, update your language bindings to the 4.6.1 release. Please see Language Bindingsfor more details.

Version 4.5.0

This version includes internal updates to prepare for upcoming new features

Version 4.4.0

  • Archive Functionality (for Search: Custom Database clients) - allows client to remove a fingerprint from their custom database, so it will no longer be available for matching. For more details on using this functionality, please visit Basic Usage

  • Database List Functionality (for Search: Custom Database clients) - allows client to retrieve a list of what fingerprints (via provided_id) are currently in their custom database. For more details on using this functionality, please visit Basic Usage

  • Improvements made to the "Identify Music" search type for audio matching for DJ mixes, mashups, and long compilations.

  • Better Logging Information - Additional information added to the logs to assist with troubleshooting issues

  • Bug Fix: Fix for SDK occasionally erroring out after long period of connectivity with no activity

In order to access these new features, update your language bindings to the 4.4.0 release. Please see Language Bindingsfor more details.

Version 4.2.1

  • A confidence value is now returned for every match segment in the search response. You can find it in the segments object in the match_details section.

  • Bug Fix: The SDK will no longer return an invalid input error when attempting to create an audio fingerprint from a file that contains no or low level audio

Version 4.1.2

  • When performing an audio or melody search against the Pex Registry, you can now also designate a specific search type to perform: an "identify music" search or a "find matches" search. A identify music search allows you to check any media file for copyrighted music. A find matches search allows you to find commercially distributed versions of your own copyrighted asset. To designate a search type, you will pass an additional parameter when creating the search request. Note: if no search type is designated, the search will default to the "identify music" search type.

  • For more details on how to prepare the search request and designate a search type, visit: Initiate Search

In order to access these new features, update your language bindings to the 4.1.2 release. Please see Language Bindingsfor more details.

Version 4.0.10

  • When searching against the Pex Registry, DSP links (if available) are now returned for matched assets in the search response. You can find it in the dsp object in the asset section.

Version 4.0.3

  • When searching against the Pex Registry, the release date is now returned for the album associated with the matched asset. You can find it in the release_date object in the asset section.

Version 4.0.0

  • The search response has been expanded to include more asset metadata and match details for a matched asset.

    • Asset metadata now includes: ISRC, Title, Subtitle, Artist, Album/Release Name, Barcode, Label, Distributor

    • Match details now includes: Query Match Duration, Query Match %, Asset Match Duration, Asset Match %

    • Match segment details now includes: Query Start, Query End, Asset Start, Asset End, Pitch Modification, Speed Modification, Transposition information

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