Step 1 of 3

Reverse

Upload a recording and listen to it backwards at multiple speeds.

Echo Cipher

Reverse audio. Separate its hidden layers and examine possible speech-like patterns.

Upload an audio or video file to open the Echo Cipher workspace.

Enter the Echo Chamber

Upload an audio or video file to begin.

MP3 · WAV · M4A · AAC · OGG · MP4 · MOV · WEBM

Max 200 MB. Sections over 20 minutes require selecting a region before scanning.