Pex ACR identification capabilities

Pex’s AI-powered technology utilizes advanced digital fingerprinting and matching techniques to identify content with extreme precision and accuracy.

Audio

Identifies identical sound recordings or parts of them

Pex audio fingerprinting and matching technology supports both musical and non-musical content such as speech, podcasts, and audiobooks.

• Very short samples (1s)
• Mashups, multi-track mixes, and remixes
• Speed changes between 50-200% (half or double speed)
• Pitch changes between +-1200 cents (i.e. a full octave up or down)
• Recorded in a noisy environment
• High compression and audio with a low sample rate
• Rich stems like vocals, piano, and guitars
• Effects such as echo, reverb, low or high-pass filters, and similar

Melody

Identifies identical underlying compositions, or parts of them

Pex melody fingerprinting and matching technologies identify melodies despite significant differences, including the removal of lyrics. This technology is commonly known as cover song identification.

• Background noise
• Tempo changes
• Transpositions
• Live concerts
• Short samples
• Language changes
• Different timbres and instruments

Video

Identifies identical videos, or parts of them

Pex video fingerprinting and matching technologies identify short or long form audiovisual content despite common UGC modifications.

• Very short samples (1s)
• Grayscale distortions
• Brightness change
• Added noise (visual)
• Mild cropping
• Text overlay
• Added logos
• Filters
• Livestream

Phonetic

Identifies identical underlying compositions, or parts of them

Pex phonetic fingerprinting and matching technologies identify identical underlying compositions by matching the speech or lyrics.

• Leverages Automatic Speech Recognition
• Relies on vocal expression of lyrics, not extracted text or lyrics metadata
• Able to identify songs with the same lyrics with very high accuracy
• Compliments melody or audio matching
• Matches different voices, genres, pitches, and tempos
• Language changes
• Support for all languages