Editor’s Note: There's a lot to look forward to in spring, including the welcomed hullabaloo of birdsong. The sheer volume of songs and calls can often feel overwhelming for birders, but these sounds ...

An engineer has shown why Apple’s presenters don’t set of Siri on your iPhone during events.

Sleep is one of the most widely studied states of consciousness, known to play a role in physical recovery, the processing of memories and the regulation of immune functions. During sleep, the brain ...

Abstract: Ultra-low-bitrate speech coding is pivotal for bandwidth-constrained communication and deep compression, yet maintaining naturalness and speaker identity at such extreme bit budgets remains ...

Apple appears to have modified the audio of this week's WWDC 2026 keynote video whenever "Siri" was mentioned, apparently in an effort to prevent viewers' nearby devices from waking inadvertently ...

Among the 2,000 pages documents released to coincide with the hearing was a PDF file that contained a spectrogram of this audio.

The National Transportation Safety Board (NTSB) has pulled its docket system offline after people used information uploaded to it to recreate the voices of pilots killed in a plane crash with AI. As ...

People used AI on a spectrogram image of cockpit recordings to reconstruct them, forcing the NTSB to temporarily block access ...

Pilots’ voices from the last seconds of a fatal cargo plane crash have been re-created by Internet sleuths using software and AI tools. The spread of reconstructed audio recordings has prompted a US ...

Abstract: In this letter, we present a novel feature extraction method for sound event classification, based on the visual signature extracted from the sound's time-frequency representation. The ...

It is designed for simple inspection of recordings, showing how signal energy varies over time and frequency. The output combines a waveform view with a time–frequency spectrogram, making it easy to ...