🎵 Drop Audio File Here
or click to browse files
Analyzing audio file...
Audio Forensics Report
Generated by Cyber Law Academy Audio/Video Forensics Tool
Report Generated:
🎵 Audio Preview & Waveform
Audio📊 Audio Properties
Analyzed🔒 Cryptographic Hash Values
Computed| Algorithm | Hash Value | Purpose |
|---|
Evidentiary Significance of Audio Hash Values
Audio hash values serve as a "digital fingerprint" of the recording. Any modification - even a single bit change - produces a completely different hash. This is crucial for proving that audio evidence has not been tampered with since collection. Under Section 63 BSA, the integrity of electronic evidence must be established, and hash verification is the gold standard.
📈 Frequency Spectrum Analysis
VisualizedFrequency Distribution
Amplitude Over Time
Forensic Relevance of Spectrum Analysis
Spectrum analysis can reveal:
- Splicing indicators: Abrupt frequency changes may indicate editing
- Background noise patterns: Inconsistent ambient noise across segments
- Voice characteristics: Frequency patterns unique to speakers
- Recording environment: Room acoustics and microphone characteristics
🔍 Forensic Indicators
Analyzing...Important Disclaimer on Audio Forensic Indicators
These are INDICATORS only, not conclusions. The presence of an indicator does not prove audio manipulation or forgery. Many legitimate recording scenarios can produce these indicators. A qualified audio forensic expert must interpret these findings using professional tools and methodology. This tool provides preliminary observations to assist legal professionals.
🎥 Drop Video File Here
or click to browse files
Analyzing video file...
Video Forensics Report
Generated by Cyber Law Academy Audio/Video Forensics Tool
Report Generated:
🎥 Video Preview
Video📊 Video Properties
Analyzed🔒 Cryptographic Hash Values
Computed| Algorithm | Hash Value | Purpose |
|---|
🎨 Extracted Frames
0 FramesKey frames extracted from the video for forensic examination. Click any frame to enlarge.
Forensic Value of Frame Extraction
Frame-by-frame analysis can reveal:
- Visual discontinuities indicating possible edits
- Timestamp overlays for verification
- Lighting/shadow inconsistencies
- Compression artifacts suggesting re-encoding
🔍 Forensic Indicators
Analyzing...Important Disclaimer on Video Forensic Indicators
These are INDICATORS only, not conclusions. Video analysis requires specialized expertise and professional forensic tools for definitive findings. This tool provides preliminary observations to assist legal professionals in understanding their video evidence.
🤖 AI-Generated / Deepfake / Clone / Tampering Detection
Advanced AnalysisUpload an audio or video file to analyze for signs of AI generation, voice cloning, deepfake manipulation, or tampering. This tool examines spectral patterns, temporal consistency, compression artifacts, and statistical anomalies to detect synthetic or manipulated media.
🔎 Drop Audio/Video File for AI Analysis
Supports MP3, WAV, MP4, AVI, MOV, WebM and more
Analyzing for AI signatures...
🎯 Overall AI Detection Verdict
Analyzed⚠ Critical Legal Disclaimer
AI detection is probabilistic, not deterministic. The scores and indicators provided are based on statistical analysis and pattern recognition. They DO NOT constitute definitive proof of AI generation or manipulation. False positives and false negatives can occur. For legal proceedings, expert forensic analysis with professional tools is essential. This tool provides preliminary screening assistance only.
📊 Detailed Analysis Metrics
🔍 Detection Indicators
0 indicators⚖ Legal Framework for AI-Generated Evidence
Emerging Legal Standards
AI-generated content (deepfakes, voice clones) poses unprecedented challenges to evidence authentication. While Indian law doesn't yet have specific provisions for AI-generated evidence, existing frameworks apply:
- Section 63 BSA: Requires proving authenticity and integrity of electronic records
- Section 79 BSA (Opinion Evidence): Expert opinion on AI detection admissible
- Bharatiya Nyaya Sanhita Section 336: Creating false electronic evidence (forgery)
- IT Act Section 66D: Cheating by personation using computer resource
| Case / Development | Relevance to AI Evidence |
|---|---|
| State of Karnataka v. XXX (2023) | Court acknowledged deepfake concerns in electronic evidence authentication |
| US v. Raffensperger Call Analysis (2021) | Audio authenticity challenged; forensic analysis proved original |
| European AI Act (2024) | Mandates disclosure of AI-generated content; India may follow similar approach |
| NIST AI Risk Management Framework | International standards for AI content detection and verification |
| Indian Evidence Amendment Proposals | Law Commission considering AI-specific evidence authentication requirements |
Compare Audio/Video Files
Upload two media files to compare their metadata, hash values, and properties. Useful for verifying copies or detecting modifications.
📄 File A (Original/Earlier)
Click or drop file here
📄 File B (Copy/Later)
Click or drop file here
Comparison Results
ComparedChain of Custody Tracker
Document the handling history of your audio/video evidence. Maintaining a proper chain of custody is essential for evidence admissibility.
📝 Add Custody Record
🔗 Custody Timeline
0 RecordsNo custody records added yet. Add records above to build the chain of custody.
Legal Importance of Chain of Custody
Under Indian law, establishing chain of custody is crucial for electronic evidence admissibility:
- Section 63 BSA: Requires proof that electronic evidence has not been altered
- Anvar P.V. v. P.K. Basheer: Supreme Court emphasized need for proper foundation
- Chain breaks: Any unexplained gap can lead to evidence being challenged
- Documentation: Every transfer must be recorded with date, time, person, and purpose
Legal Framework for Audio/Video Evidence
Admissibility of Audio/Video Evidence in India
Audio and video recordings are admissible as electronic evidence under the following framework:
- Section 63, Bharatiya Sakshya Adhiniyam 2023: Governs admissibility of electronic records including audio/video
- Section 65B Certificate (erstwhile): Now Section 63(4) certificate - mandatory for electronic evidence
- Primary vs. Secondary: Original device preferred; copies require proper certification
- Voice Identification: Can be proved through witnesses familiar with the voice
Key Case Laws on Audio/Video Evidence
| Case | Key Holding |
|---|---|
| R.M. Malkani v. State of Maharashtra (1973) | Tape-recorded conversations are admissible; voice can be identified by witnesses |
| Ziyauddin Burhanuddin Bukhari v. Brijmohan (1976) | Three conditions for tape admissibility: voice identification, accuracy verification, no tampering |
| Anvar P.V. v. P.K. Basheer (2014) | Section 65B certificate mandatory for electronic evidence including video recordings |
| Shafhi Mohammad v. State of H.P. (2018) | CCTV footage without certificate - liberal interpretation (later clarified) |
| Arjun Panditrao Khotkar (2020) | Certificate requirement clarified; exemption when original device produced |
| Tomaso Bruno v. State of U.P. (2015) | CCTV footage admissible with proper foundation and chain of custody |
Audio Forensic Analysis Principles
Professional audio forensics may examine:
- ENF (Electric Network Frequency): 50Hz hum can timestamp recordings
- Spectrographic Analysis: Visual representation of frequencies over time
- Voice Biometrics: Speaker identification through voice patterns
- Editing Detection: Splice points, discontinuities, compression artifacts
- Authenticity Verification: Metadata consistency, recording device signatures
Video Forensic Analysis Principles
- Frame Analysis: Detecting missing, duplicated, or manipulated frames
- Compression Artifacts: Re-encoding leaves telltale signs
- Metadata Examination: Creation date, GPS data, device information
- Shadow/Lighting Analysis: Inconsistencies may indicate compositing
- Motion Analysis: Unnatural movements may indicate manipulation
Best Practices for Legal Professionals
- Obtain evidence from original recording device when possible
- Create forensic copies using write-blockers
- Compute and document hash values immediately upon receipt
- Maintain detailed chain of custody records
- Never work on original evidence - always use copies
- Prepare Section 63(4) certificate with complete technical details
- Engage certified forensic experts for disputed recordings
- Preserve original recording conditions (timestamp, format, resolution)