Comments (1)
From the email reply:
A short answer: Emy never intended to store large amounts of audio content (more than 1,000 hours), as its main goal was to precisely identify the start-end location of the match which is highly sought in other business domains. Building a Shazam style storage requires not only changes in the storage but also in the fingerprint signature, which is not in scope of this project.
A longer answer: Emy uses locality sensitive hashing to cross-match audio fingerprints. Any LSH-based algorithm (or more broadly any approximate nearest neighbor algorithm!) uses a RAM based storage, that is an inherent limitation of it (be it faiss, HNSW, or literally any other ANN algo, with a notable exception of DiskANN, which may or may not be suitable for SoundFingerprinting). Rewriting the storage is nowhere near a trivial task that I'm not interested in pursuing at this point due to reasons described in the short answer.
You can take a look at Milvus and PaddleSearch and see if their implementation uses less RAM and suits your purposes: https://github.com/PaddlePaddle/PaddleSpeech/tree/develop/demos/audio_searching
AFAIK they face the exact same dilema and their demo states that for CN-Celeb a dataset of mere 1024 hours of content they needed a 132GB RAM machine.
from soundfingerprinting.
Related Issues (20)
- Comparing short audio files HOT 6
- System.NullReferenceException: 'Object reference not set to an instance of an object.' HOT 1
- System.NullReferenceException: 'Object reference not set to an instance of an object.' HOT 2
- Pitch-shifted tracks identification HOT 1
- [Enhancement Request] Compare 2 differing files and return common sections/ranges within them HOT 3
- During fingerprinting, AVHashes returns empty when specifying secondsToProcess and startAtSecond while creating both audio and video fingerprints HOT 3
- Can't open a file because of the sample rate HOT 1
- [Information Request] Best way to approach the inaccuracy of the matched result time? HOT 9
- Library unable to find a match. HOT 6
- Strong name signature not valid for this assembly FFmpeg.AutoGen.Abstractions.dll HOT 2
- Probably typo error in Jacquard similarity calculation HOT 2
- AddictedCS FFmpeg.AutoGen System.NullReferenceException HOT 2
- Set FFmpeg directory path HOT 1
- Docker persistent storage after reboot HOT 4
- Possibility to pass pitch percentage when querying HOT 4
- [Question] SoundFingerprinting.Emy
- Differentiate between two almost identical tracks
- Sample rate not supported even when using a .wav with 44.1khz sample rate HOT 2
- Library and 6-sec files HOT 1
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from soundfingerprinting.