Valid

GA/T 1431-2017Specifications for noise reduction and speech enhancement in Forensics (English PDF)

法庭科学降噪及语音增强技术规范

Preview PDF

This is a limited preview

Buy now to download the full PDF (4 pages)

Need quotation for your management?

Get a formal quotation for GA/T 1431-2017 in 30 minutes.

Issued by

Ministry of Public Security

Level / Type

National · Recommended

Issue date

September 22, 2017

Implementation date

September 22, 2017

Scope

GA/T 1431-2017 is the English-translated version of 法庭科学降噪及语音增强技术规范.

GA/T 1431-2017 — This standard specifies the contents of the forensic scientific noise reduction and speech enhancement test, the test procedure, and the expression of the test results.

This standard is applicable to noise reduction and speech enhancement of audio data in the forensic audiovisual data authentication.

Found what you need?

Document preview — GA/T 1431-2017

National Standard of the People's Republic of China

ICS: 13.210
Classification: A 92

Issued by: Ministry of Public Security

Document data1

Document data

International classification (ICS): 13.210.

Chinese classification (CCS): A92.

Estimated length of the Chinese original: 6,671 words.

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 4 pages — is available in the English PDF.

How to Download GA/T 1431-2017

1
Add to cart
Click "Download PDF" on this page and choose "Buy this standard". You can add more standards before checkout.
2
Checkout
Enter your email and billing details. Payment is processed securely by Stripe (cards or bank transfer). Prefer bank details? Request a quotation (min. order $300).
3
Instant delivery (0–9 sec)
Delivery is automatic: within seconds of payment you'll receive an email with a secure download link. The link stays valid for 72 hours.
4
Invoice included
A tax invoice is attached to the confirmation email. Need a custom invoice? Contact us.