Guidance

International Standards	ENFSI	UK Forensic Science Regulator
ISO/IEC 17025:2017 ISO 21043:2025 [5 Parts] ILAC G19:06/2022 Modules in a Forensic Science Process ISO/IEC 17020:2012  Note: ISOs may also be available through National standards organisations	Best Practice Manuals [BPMs]: BPM – Forensic Speaker Comparison BPM – Digital Audio Authenticity Guidance: Forensic Semi-automatic and automatic speaker recognition Validation of Instrumental and Human Based Methods in Forensic Science	Code of Practice Legal Obligations Guidance on: Cognitive Bias Effects Validation Evaluative Opinions Expert Report Content
NIST	SWGDE	OSAC Speaker Recognition Sub-Committee
Forensic Science Program Speaker Recognition Evaluation series Language Recognition Evaluation Speech Collection Guidelines NIST Publications: audio	SWGDE Best practices for: Forensic Audio Digital Audio Authentication Digital Audio Enhancement Notes on FFmpeg for Audio Core Competencies: Audio	Speaker Recognition (SR) Process Map Standard Guide to the SR Landscape Issues in Data Processing & Relevant Population Selection Essential Scientific Literature for HASR Relevant Corpora for SR
Other Organisations
IAFLL [Code of Ethical & Professional Conduct] AES Forensic	ANZPAA – Publications ANZPAA – Guidance on Method validation	INTERPOL: Guidelines for Digital Forensics Labs

If you are looking for a course in forensic speech or language analysis, this resource kindly collated by Dakota Wing might help (as above, we do not endorse any particular course or qualification, but this information is provided as a useful signpost): Directory of Forensic Linguistics/Language & Law Programs