1 research outputs found
ΠΠ΅ΡΠΎΠ΄ ΠΏΡΠΎΠΈΠ·Π²ΠΎΠ΄ΡΡΠ²Π° ΡΡΠ΄Π΅Π±Π½ΠΎΠΉ ΡΠΊΡΠΏΠ΅ΡΡΠΈΠ·Ρ ΡΠΎΠ½ΠΎΠ³ΡΠ°ΠΌΠΌ Ρ ΠΈΡΠΏΠΎΠ»ΡΠ·ΠΎΠ²Π°Π½ΠΈΠ΅ΠΌ Π΄Π°Π½Π½ΡΡ ΠΎ ΡΠ°ΡΡΠΎΡΠ΅ ΡΠ»Π΅ΠΊΡΡΠΈΡΠ΅ΡΠΊΠΎΠ³ΠΎ ΡΠΎΠΊΠ° ΡΠ΅ΡΠΈ
The article describes new possibilities for technical authentication of audio recordings and determination of circumstances in which they were made in the context of Russian forensic practice. The proposed method is based on comparing the frequency of the electric current in the grid reflected in the submitted audio evidence with reference electric network frequency (ENF) indicators, which are recorded on a regular basis using a specialized hardware and software suite. This method is known as the Electric Network Frequency (ENF) Criterion (developed by Romanian expert Catalin Grigoras in 2005) and has been used by forensic practitioners around the world since 2009. The paper discusses the substance of the method, its possibilities and limitations, and demonstrates its practical value in helping to establish whether an audio recording was tampered with, as well as the date and time it was made. The article is intended for experts as a summary of the method, and for investigators to familiarize themselves with the new possibilities of scientific methodology.Π ΡΡΠ°ΡΡΠ΅ ΠΎΠΏΠΈΡΠ°Π½Ρ Π½ΠΎΠ²ΡΠ΅ Π΄Π»Ρ ΡΠΎΡΡΠΈΠΉΡΠΊΠΎΠΉ ΡΠΊΡΠΏΠ΅ΡΡΠ½ΠΎΠΉ ΠΏΡΠ°ΠΊΡΠΈΠΊΠΈ Π²ΠΎΠ·ΠΌΠΎΠΆΠ½ΠΎΡΡΠΈ ΡΠ΅Ρ
Π½ΠΈΡΠ΅ΡΠΊΠΎΠ³ΠΎ ΠΎΠΏΡΠ΅Π΄Π΅Π»Π΅Π½ΠΈΡ Π°ΡΡΠ΅Π½ΡΠΈΡΠ½ΠΎΡΡΠΈ ΡΠΎΠ½ΠΎΠ³ΡΠ°ΠΌΠΌΡ ΠΈ ΠΎΡΠΎΠ±Π΅Π½Π½ΠΎΡΡΠ΅ΠΉ Π΅Π΅ ΠΈΠ·Π³ΠΎΡΠΎΠ²Π»Π΅Π½ΠΈΡ ΠΏΡΠΈ ΠΏΡΠΎΠΈΠ·Π²ΠΎΠ΄ΡΡΠ²Π΅ ΡΡΠ΄Π΅Π±Π½ΠΎΠΉ ΡΠΊΡΠΏΠ΅ΡΡΠΈΠ·Ρ ΡΠΎΠ½ΠΎΠ³ΡΠ°ΠΌΠΌ. Π ΠΎΡΠ½ΠΎΠ²Π΅ ΠΏΡΠ΅Π΄Π»Π°Π³Π°Π΅ΠΌΠΎΠ³ΠΎ ΠΌΠ΅ΡΠΎΠ΄Π° β ΡΡΠ°Π²Π½Π΅Π½ΠΈΠ΅ ΠΏΠΎΠΊΠ°Π·Π°ΡΠ΅Π»Π΅ΠΉ ΡΠ°ΡΡΠΎΡΡ ΡΠ»Π΅ΠΊΡΡΠΈΡΠ΅ΡΠΊΠΎΠ³ΠΎ ΡΠΎΠΊΠ° ΡΠ΅ΡΠΈ, ΠΎΡΡΠ°ΠΆΠ΅Π½Π½ΡΡ
Π½Π° ΠΈΡΡΠ»Π΅Π΄ΡΠ΅ΠΌΠΎΠΉ ΡΠΎΠ½ΠΎΠ³ΡΠ°ΠΌΠΌΠ΅, Ρ ΡΡΠ°Π»ΠΎΠ½Π½ΡΠΌΠΈ ΠΏΠΎΠΊΠ°Π·Π°ΡΠ΅Π»ΡΠΌΠΈ ΡΠ°ΡΡΠΎΡΡ ΡΠ»Π΅ΠΊΡΡΠΈΡΠ΅ΡΠΊΠΎΠ³ΠΎ ΡΠΎΠΊΠ° ΡΠ΅ΡΠΈ, ΡΡΠ΅Ρ ΠΊΠΎΡΠΎΡΡΡ
Π²Π΅Π΄Π΅ΡΡΡ Ρ ΠΏΠΎΠΌΠΎΡΡΡ ΡΠΏΠ΅ΡΠΈΠ°Π»ΡΠ½ΠΎΠ³ΠΎ Π°ΠΏΠΏΠ°ΡΠ°ΡΠ½ΠΎ-ΠΏΡΠΎΠ³ΡΠ°ΠΌΠΌΠ½ΠΎΠ³ΠΎ ΠΊΠΎΠΌΠΏΠ»Π΅ΠΊΡΠ°. ΠΠ΅ΡΠΎΠ΄ ΡΠ°Π·ΡΠ°Π±ΠΎΡΠ°Π½ ΡΡΠΌΡΠ½ΡΠΊΠΈΠΌ ΡΠΊΡΠΏΠ΅ΡΡΠΎΠΌ ΠΠ°ΡΠ°Π»ΠΈΠ½ΠΎΠΌ ΠΡΠΈΠ³ΠΎΡΠ°ΡΠΎΠΌ Π² 2005 Π³ΠΎΠ΄Ρ. ΠΠ° ΡΡΠ±Π΅ΠΆΠΎΠΌ ΠΏΡΠΈ ΠΏΡΠΎΠΈΠ·Π²ΠΎΠ΄ΡΡΠ²Π΅ ΡΠΎΠ½ΠΎΡΠΊΠΎΠΏΠΈΡΠ΅ΡΠΊΠΈΡ
ΡΠΊΡΠΏΠ΅ΡΡΠΈΠ· Π΄Π°Π½Π½ΡΠΉ ΠΌΠ΅ΡΠΎΠ΄ ΠΈΡΠΏΠΎΠ»ΡΠ·ΡΠ΅ΡΡΡ Ρ 2009 Π³ΠΎΠ΄Π° ΠΈ ΠΏΠΎΠ»ΡΡΠΈΠ» Π½Π°Π·Π²Π°Π½ΠΈΠ΅ Electric Network Frequency (ENF) Criterion. Π Π°ΡΠΊΡΡΡΠ° ΡΡΡΠ½ΠΎΡΡΡ ΠΌΠ΅ΡΠΎΠ΄Π°, Π΅Π³ΠΎ Π²ΠΎΠ·ΠΌΠΎΠΆΠ½ΠΎΡΡΠΈ ΠΈ ΠΎΠ³ΡΠ°Π½ΠΈΡΠ΅Π½ΠΈΡ, ΠΏΡΠ°ΠΊΡΠΈΡΠ΅ΡΠΊΠ°Ρ ΡΠ΅Π½Π½ΠΎΡΡΡ Π΄Π»Ρ ΡΡΡΠ°Π½ΠΎΠ²Π»Π΅Π½ΠΈΡ Π½Π°Π»ΠΈΡΠΈΡ Π»ΠΈΠ±ΠΎ ΠΎΡΡΡΡΡΡΠ²ΠΈΡ ΠΌΠΎΠ½ΡΠ°ΠΆΠ° ΡΠΎΠ½ΠΎΠ³ΡΠ°ΠΌΠΌΡ, Π΄Π°ΡΡ ΠΈ Π²ΡΠ΅ΠΌΠ΅Π½ΠΈ Π΅Π΅ ΠΈΠ·Π³ΠΎΡΠΎΠ²Π»Π΅Π½ΠΈΡ. Π‘ΡΠ°ΡΡΡ ΠΏΡΠ΅Π΄Π½Π°Π·Π½Π°ΡΠ΅Π½Π° Π΄Π»Ρ ΡΠΊΡΠΏΠ΅ΡΡΠΎΠ² ΠΊΠ°ΠΊ ΠΊΡΠ°ΡΠΊΠΎΠ΅ ΠΎΠΏΠΈΡΠ°Π½ΠΈΠ΅ ΠΌΠ΅ΡΠΎΠ΄Π° ΠΈ ΡΠ»Π΅Π΄ΠΎΠ²Π°ΡΠ΅Π»Π΅ΠΉ (Π΄ΠΎΠ·Π½Π°Π²Π°ΡΠ΅Π»Π΅ΠΉ) Π΄Π»Ρ ΠΎΠ·Π½Π°ΠΊΠΎΠΌΠ»Π΅Π½ΠΈΡ Ρ Π½ΠΎΠ²ΡΠΌΠΈ Π²ΠΎΠ·ΠΌΠΎΠΆΠ½ΠΎΡΡΡΠΌΠΈ ΡΠΊΡΠΏΠ΅ΡΡΠ½ΡΡ
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