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New forensic audio professionals

Forensic audio restoration and enhancement
Forensic audio professionals (including technology and tools) to determine, when it comes to crime, the authenticity of the sound but also the civil action. During an audio - based forensic investigations, christened the results as evidence in criminal and civil cases, which are used to deal with some family and neighbor disputes, divorce, extortion and even industrial espionage.

Audio forensics is used in almost all cases where the phone or recording conversations, which are used in the process and that includes the joint analysis of video surveillance in the environment, particularly in disputes between employers and employees.

The roots of forensic audio
Before forensic audio is widely used in the world and law enforcement professional, this practice is mainly focused on the government of the United States . Linguistics expert in audio expert study can be used to break during World War II and the behavior of voters who analyze.

During World War II, a specialist uses a spectrograph with the frequency and amplitude of the action of voting. This practice is easier to identify.

Now the same methods that are used by the most advanced technology terrorist subjects reveal their location and a different sound when it was ready, along with other relevant factors.

Digging audio forensics
Feeling that the audio analysis don't just for the speech. Each submission must be carefully examined, audio files , because they are often evaluated by a forensic audio expert, relevant to the entire recording. Some factors are :
- Changes in voice frequency
- The sound of the recording equipment and other machines
- Background noise and artifacts Nature
- Artifacts Unnatural
- Signature break, as well as the start and end points

These are all important points as unnatural sound or inconsistencies comes the sound patterns that could mean, interested or if it's not true. There are also factors forensic audio specialists who have multiple speakers in meetings where taken Carry identification. The crossing of the sound to some of the factors contributing to the analysis :
- Step
- Breathe - the model
- Nasal resonance
- Formation of clinker

Audio forensics and law enforcement transcription
In many cases, not only to study the police and analyze recorded audio transcription services as well. Remember that only one audio recording forensic specialist is not sufficient in all cases. To be used as evidence of an official copy of the complete audio recording of assessment accepted needed.

It would be an incredible amount of work. Unlike other forms of transcription, where the only sounds you record, law enforcement transcription requires occasional noise and artifacts documented and transcribed. This also goes for voices, doors opening and closing, chairs scraping on the floor, hissing, sighing mixed, lip smacking, documents.

Each tone can have a look to take meeting or meetings that would not normally be handled by a trained ear. An interview the voice detection and discontinuity in other types of shots difficult, but not impossible for those who specialize in forensic audio.

2 Responses to “New forensic audio professionals”

obat jantung bengkak said...
May 24, 2015 at 11:47 PM

mantap dah artikelnya kawan

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September 24, 2017 at 9:59 PM

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