Forensic Audio Restoration and Analysis
When a recording becomes critical evidence.
Even difficult recordings may contain recoverable details.
Request a preliminary opinionA quiet phone call, a pocket dictaphone recording, or speech captured in a noisy car can seem unusable at first. With proper processing, it is often possible to improve clarity and evaluate what was said and when.
The goal is not to add new content, but to make the original speech more audible, easier to interpret, and easier to present to legal counsel, court, or experts.
When can this service help?
- Employment disputes, termination, threats, or harassment cases.
- Family, inheritance, or property-related disputes.
- Covert phone or dictaphone recordings.
- Conversations recorded in cars, streets, offices, or noisy backgrounds.
- Preparation for legal counsel, litigation, or police matters.
- Recordings where a phrase, name, or keyword is hard to understand.
- Material where editing or manipulation is suspected.
What can be improved in a recording?
Most problematic recordings are not unusable, only too quiet, noisy, or unstable. Targeted processing can often make speech substantially clearer.
Speech extraction from background noise
If speech is masked by street noise, car rumble, wind, TV, fan noise, or other backgrounds, dialogue can often be emphasized and clarified.
Client benefit
- Clearer understanding of what was said.
- Better recognition of names, timestamps, and statements.
- Easier presentation to counsel or court.
Repair of very quiet or overdriven recordings
It is common for one section to be too quiet and another too loud or distorted. Levels can be balanced, and distorted parts may be partially recoverable.
Client benefit
- Less repeated listening is needed.
- Speech becomes easier to follow.
- Lower risk of losing key details.
Cleanup of phone and dictaphone recordings
Many inquiries involve phone, hidden dictaphone, or messaging-app audio with strong compression and limited mic quality.
Client benefit
- Who is speaking can become easier to distinguish.
- Timing of critical phrases can become clearer.
- Important segments for the case become easier to isolate.
Highlighting specific details
In many cases, one sentence, name, date, or amount matters most. Focused excerpts can be prepared for easier review and presentation.
Client benefit
- Clarifying difficult words.
- Separating a short critical segment.
- Creating multiple versions of the same excerpt.
- Preparing replay-friendly cuts.
How can possible edits be assessed?
Some matters require checking whether audio was cut, stitched, shortened, or changed after recording.
- Suspicious cuts or abrupt interruptions.
- Whether the file appears to contain multiple recordings.
- Changes in speech speed or pitch.
- Indicators pointing to manipulation.
- Irregularities consistent with synthetic or post-edited content.
Important: if something cannot be established reliably, that is stated explicitly. The objective is cautious, fact-based assessment.
What is delivered?
The final output can include more than a single cleaned file, depending on case needs.
- Original and processed versions side by side.
- Plain-language summary of what changed.
- Timestamped notes for key moments.
- Highlighted excerpts as separate files.
- Technical summary for counsel or expert review.
- Transcript or partial transcript of critical segments.
Discreet and confidential handling
These recordings are often sensitive. Submitted audio is handled confidentially, not shared with third parties, and can be deleted on request after completion.
Recordings can be sent via:
- Email.
- Download link.
- Cloud transfer for larger files.
If feasibility is unclear, a short sample can be sent first for preliminary evaluation.
Request preliminary evaluationFAQ
Can a very poor recording still be rescued?
Often yes. Even heavily noisy or quiet files can become significantly more intelligible. A short sample helps set realistic expectations.
Can you determine exactly what someone said?
Only where speech is clearly audible. If a segment is ambiguous, that ambiguity is reported.
Can a processed version be used in court?
A processed version can support intelligibility, but the original recording remains the primary reference. Preserving the original is essential.
How long does processing take?
Short recordings are often completed within 1-2 days. Longer or more complex matters depend on duration and recording condition.
Request a quote
Send a short sample or the full recording. The following guide prices are indicative; the final quote is provided as a technical and documentation breakdown.
- Base processing: 35,000 HUF / recording (up to 15 min), then +2,500 HUF / started minute.
- Complexity surcharge: +10,000-30,000 HUF / project (multiple speakers, strong noise variation, distorted/compressed source).
- Detail extraction and excerpts: 6,000 HUF / excerpt (up to 60 sec), or 22,000 HUF / hour for focused editing.
- Manipulation assessment: 45,000 HUF / hour, minimum 1 hour (technical review for suspected edits/manipulation).
- Documentation: plain-language summary 15,000 HUF / document, timestamped notes 9,000 HUF / 30 min of audio, legal/expert brief 25,000 HUF / document.
- Add-ons: partial transcript 1,500 HUF / min, full transcript 2,400 HUF / min, rush delivery +50%.