AREVA
01dB Brasil > PRODUTOS NVH > Sistemas de analise > Qualidade Sonora > PRO302/N - Qualidade Sonora - 2 canais - Cabeça Artificial

PRO-302/N:
Sound Quality 2ch Artificial Head Solution

Perfect Aural Recording and Playback

PRO-302/N is a 2-channel sound quality solution based on CORTEX Head which full complies with the IEC standard for head dimensions and directivity patterns. PRO-302/N is a professional system with a playback function which allows listening to your product noise during development, helps to identify sources and checks for improvement through simulation, using filtering and Re-synthesis capabilities.

 

 

 

The software capabilities enables you to analyze and optimize the performance of your product:

  • Sound Quality Metrics
  • Multi-equalization choices: Lin, Free-Field. Diffuse-Field, User defined, Headphones
  • Data compatibility with other artificial heads and Sound Quality recorded files
  • Advanced Filtering capabilities (option)
  • RPM and order analysis (option)
  • Time-frequency edition and signal re-synthesis (option)

Key Features

Acoustic Head and Recording

  • Highest precision geometry for pinna, head and torso according to standards
  • Class 1 IEC microphones for connection to any recording device
  • Easy calibration with standard calibrator without any adaptor

A complete set of tools for data analysis         

  • Free Audio Recording Software
  • dBSonic Pro package for analysis, playback, reporting
  • FFT Analysis, Waterfall and sonogram, sonogram difference
  • Psychoacoustic analysis: Loudness, Sharpness, Fluctuation Strength, Roughness, AI, SII, Tonality
  • Playback with equalization
  • Automatic report, export capabilities (data, sonogram, metric synthetic tables)

Options

  • Auditory spectrograms, contour edition (Gestalt interpretation), time-frequency edition, sound re-synthesis, etc.
  • RPM recording, RPM extraction from signal, display of all data vs. RPM
  • Order analysis & Advanced real-time Filtering: HP, LP, BP, Notch, 1/n analysis with Digital Filters
  • Advanced analysis: Wavelets, Modulation Analysis
  • Data edition in MatlabTM for further analysis

Applications:

Sound Quality control in vehicles, Transient Analysis, Noisiness evaluation, Noise control simulation, Sound quality diagnosis, Environmental, Noise study and Monitoring, Psychoacoustics, Loudness and related topics

PRO-302/N Technical Specifications

CORTEX Manikin

  • Color: Grey
  • Dimensions: 520 x 430 x 240 mm (W x H x D)
  • Weight: 14 lbs (7 kg)  
  • Material: Polyurethane with Nextel coating 
  • Ears: IEC 959 compliant, , soft silicone, easy removable for calibration
  • Directivity: In acc. with IEC 959 & DIN V 456082
  • Output: analog outputs (Left & right ears)
  • Microphone type: MTG  NC-MK231   1/2 “
  • Polarization voltage:  200 VDC 
  • Heating voltage: +12 VDC 
  • Freq. range free-field: 3,5 Hz to 16 kHz (± 3 dB)
  • Sensitivity: 50 mV/Pa
  • Max. SPL for THD < 3 % at 1 kHz: 146 dB
  • Inherent noise: 15 dBA

12AA – 2ch Power module

  • Input channels: 2 x 7-pin LEMO 1B connectors
  • Outputs channels: 2 × BNC sockets
  • Gain settings: -20 dB, 0 dB, +20 dB, +40 dB
  • Preamplifier supply: 28 V or 120 V
  • Polarization voltage: 200 V or 0 V
  • Frequency response: 3.5 Hz - 200 kHz
  • A-weighting network: IEC 60651 Type 0
  • Output impedance: 30 Ohm
  • Power supply: 10 x AA alkaline batteries or 12 - 18 V DC mains/line adaptor for 220/115 V
  • Dimensions (h x w x d): 132.6 mm x 34.6 mm x 196 mm
  • Weight: 770 g

 

 

Sound Quality software

  • dBSONIC BA: Basic Module & Frequency Analysis - Sound signal recording and playback, SPL, Third-octave and FFT analysis - Tonalness (Prominence ratio and Tone-to Noise), Basic editing and filtering functions - Project Management, import function for 01dB-METRAVIB, Head Acoustics and OROS sound files
  • dBSONIC PSY: Psychoacoustic Analysis - Calculation of Loudness, Sharpness, Roughness and Fluctuation Strength, Articulation Index, Speech Intelligibility Index
  • dBSONIC RPM (OPTION): RPM analysis, Order analysis
  • dBSONIC DIF: Spectrogram difference
  • dBSONIC DOC: Documentation Module - The tool for comparing time histories and spectra - Multi scalar display and Multi spectra display - Report Wizard, Percentile calculation
  • dBSONIC ED(OPTION): Signal edition, online and offline filtering capabilities, built up of equalization curves
  • dBSONIC FX(OPTION): Advanced frequency analysis – Modulation analysis, wavelet analysis
  • dBSONIC PX (OPTION): Auditory spectrogram, contours (gestalt interpretation), sound re-synthesis
  • dBSONIC MAT(OPTION): MATLABTM tool for data edition

Ordering Information:

COC3045000: Cortex MK2-B SST: Binaural artificial head with Torso/shoulder unit, with silicon "soft ears", directional pattern and dimensions in compliant with IEC 959 and DIN V 45608. Buil-in class1 condenser microphones MTG
UAX220v2: 24 bits professional USB Audio card, 2/2 high-quality balanced analog I/Os, automatically recognized as an USB Audio-compliant device
G-12AA: 2ch power module, battery-operated, microphone power supply, amplifier and filter unit.
G-42AB: Calibrator G42AB, type 1, 94dB, 1000 Hz
COC3046000: Dynamic Headphones Sennheiser HD 580
COC3048000: FCA - Flight Case For Acoustic Head and Accessories
COC3050000: SST - Seat Stand for CORTEX MK2-B
COC3012000, COC3020000, COC3025000, COC3022000: dBSONIC Pro package including the following modules: dBSONIC BA, PSY, DIF, DOC

* IEPE: Integrated PiezoElectric Electronic

Para obter mais informações, nós contatar: comercial@01db.com.br

Mapa do Site | Atualizações | Menções Legais
© Copyright 2012 - ACOEM

Medições e Analise de Ruidos e Vibrações