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2 votes

A "newspaper in the photo" but for audio? Audible hash/signature/password/watermark for timestamp? What (live?) audio channel validates Proof of Time?

How about embedding a smart contract into the audio using digital watermarking? Essentially, a trusted encrypted ledger entry could embed the date (or any particular information) such that later on ...
Drew Mills's user avatar
2 votes

A "newspaper in the photo" but for audio? Audible hash/signature/password/watermark for timestamp? What (live?) audio channel validates Proof of Time?

This might be a forensics question, the answer to which is is the ENF signal (Electrical Network Frequency) which is used in forensics to locate certain associated acoustic and electrical signals in ...
Mark's user avatar
  • 8,900
1 vote
Accepted

What are the bytes following a midi note on or note off?

In SMF format files, every event is preceded by a delta time value, which specifies the time from the last event, and is encoded as a variable-length quantity, where a byte with the most significant ...
CL.'s user avatar
  • 821
1 vote

How can I align multiple audio files with overlapping using python?

You're not gonna like this. The only for-sure way of lining up audio files is to have them All the same length to begin with, including the silences. So when you record them, make sure you start from ...
ulrichburke's user avatar

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