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Overview

Audio restoration

Learn how Diffio restores speech audio, what problems it handles well, and where restoration fits in the workflow.

Diffio restores speech recordings that are hard to hear because of background noise, echo, reverb, distortion, low bandwidth capture, or low sample rate audio.

Restoration Scope

Use Diffio for spoken audio from interviews, calls, lectures, field recordings, podcasts, voice notes, and video soundtracks. The restoration workflow creates clearer speech output while keeping the original upload available in the project.

  • Restored audio output for playback and downloads when the plan includes downloads.
  • Comparison audio and waveform data for original and restored playback.
  • Restoration metadata, quality scoring, and transcript data when available.

Model Fit

  1. 1

    Diffio 2.0

    Use diffio-2 for fast everyday speech cleanup and high volume work where turnaround time matters.

  2. 2

    Diffio 3.5

    Use diffio-3.5 for difficult rooms, dense noise, damaged speech, and quality-focused restoration.

Review Outputs

Project pages let customers compare original and restored playback, seek through the waveform, view transcript data when available, and reopen prior generations from project history.

Note
Transcript data is created when available during restoration. The current customer experience supports viewing transcripts and copying transcript text.