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GB/T 35048-2018Terminology for phonetics and acoustics examination in forensics (English PDF)

法庭科学语音及音频检验术语

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

May 14, 2018

Implementation date

December 1, 2018

Scope

GB/T 35048-2018 is the English-translated version of 法庭科学语音及音频检验术语.

GB/T 35048-2018 is the vocabulary for forensic examination of speech and audio recordings.

It collects the terms and definitions used in forensic voice and audio testing, identification and related work, in three groups: linguistics and phonetics, from plosives, dialects and tones to nasal resonance and nasalization; acoustics and signal processing; and voiceprint examination.

It draws on existing national terminology for digital recording, audio and video recording and playback, cassette tapes and acoustics, and ends with an alphabetical index.

It applies to speech and audio examination and identification in forensic science, and other fields may use it for reference. It was issued on 14 May 2018 and has applied since 1 December 2018.

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Document preview — GB/T 35048-2018

National Standard of the People's Republic of China

ICS: 13.310
Classification: A 92

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

Foreword
1 Scope
2 Normative references
3 Terms and Definitions
3.1 Linguistics, Phonetics
3.2 Acoustics and Signal Processing
3.3 Voiceprint inspection

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009.

1 Scope

This standard defines the terms and definitions of forensic science voice and audio test identification and related activities.

This standard applies to voice and audio inspection and identification in the field of forensic science, and other fields can be used for reference.

2 Normative references

The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this document. For undated references, the latest edition (including all amendments) applies to this document.

GB/T 2900.75-2008 Electrical terminology digital recording and recording

GB/T 2900.76-2008 Electrotechnical terminology Recording and playback of audio and video

GB/T 3791-1999 cassette tape size and mechanical characteristics

GB/T 3947-1996 acoustic terminology

3 Terms and definitions

GB/T 2900.75-2008, GB/T 2900.76-2008, GB/T 3791-1999, GB/T 3947-1996 defined and below Column terms and definitions apply to this document. For ease of use, the following is a list of GB/T 2900.75-2008, GB/T 2900.76- Certain terms and definitions in 2008, GB/T 3791-1999, GB/T 3947-1996.

3.1 Linguistics, phonetics

3.1.1 Plosive

A type of consonant that is divided according to the pronunciation method. When speaking, the relevant part is completely blocked first, resulting in the formation of high pressure gas. Flow, then suddenly turn on the channel, let the high-pressure airflow burst and release the sound.

3.1.2 Local vernacular

A non-standardized national language or dialect of a country or region.

3.1.3 Basic tone

As opposed to "transform". The original tone value in the dialect. Most of them are single-character tune when Chinese characters are used alone.

3.1.4 Nasal resonance

The resonance produced by the airflow through the nasal cavity during pronunciation.

3.1.5 Nasalization

A stream of sound changes. When speaking, due to the soft palate drooping, the airflow flows out from both the nasal cavity and the oral cavity, causing both the oral cavity and the nasal cavity.

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 34 pages — is available in the English PDF.

Referenced standards

Normative references

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