HBKShop | Training | Resources

arrow_back_ios

Main Menu

See All Products See All ナレッジ See All ソリューション See All サービス＆サポート See All HBKについて See All お問い合わせ
arrow_back_ios

Main Menu

See All Acoustic End-of-Line Test Systems See All DAQ and instruments See All Electroacoustics See All Software See All Sensors See All Vibration Testing Equipment See All リソースセンター See All アプリケーション See All 各産業 See All インサイト See All サービス See All サポート See All 当社の事業 See All 私たちの歴史 See All サステナビリティ（持続可能性） See All グローバルな事業展開
arrow_back_ios

Main Menu

See All Actuators See All Combustion Engines See All Durability See All eDrive See All Transmission Gearboxes See All Turbo Charger See All DAQ Systems See All High Precision and Calibration Systems See All Industrial electronics See All Power Analyser See All S&V Hand-held devices See All S&V Signal conditioner See All Wireless DAQ Systems See All Pinnae See All Accessories See All DAQ See All Drivers API See All nCode - Durability and Fatigue Analysis See All ReliaSoft - Reliability Analysis and Management See All Test Data Management See All Utility See All Vibration Control See All Inertial Sensor Software See All Acoustic See All Current / voltage See All Displacement See All Force See All Inertial Sensors See All Load Cells See All Pressure See All Strain See All Torque See All Vibration See All Exciters See All Smart Sensors IO-Link See All Shaker Systems See All Power Amplifiers See All Vibration Controllers See All 音響 See All 設備とプロセスの監視 See All カスタムセンサ See All データの取得と分析 See All 耐久性および疲労 See All Electric Power Testing（電力テスト） See All NVH See All 信頼性 See All スマートセンサ See All 振動 See All 計量 See All 自動車および地上輸送 See All 校正 See All インストール、メンテナンス、修理 See All サポート ：ブリュエル・ケアー製品 See All Release Notes See All コンプライアンス (Compliance) See All Our People
arrow_back_ios

Main Menu

See All CANHEAD See All GenHS See All LAN-XI See All MGCplus See All Optical Interrogators See All QuantumX See All SomatXR See All Fusion-LN See All Accessories See All Hand-held Software See All Accessories See All Wireless Gateways See All Wireless Nodes See All BK Connect Pulse See All API See All Microphone sets See All Cartridges See All Special Microphones See All Acoustic Calibrators See All Microphone Pre-amplifiers See All Sound Sources See All Acoustic Transducer Accessories See All Accessories See All Digital load cells See All Accessories See All Experimental testing See All Transducer Manufacturing (OEM) See All Accessories See All Rotary Torque Sensors See All CCLD (IEPE) accelerometers See All Charge Accelerometers See All Impulse hammers / impedance heads See All Cables See All Accessories See All Accessories See All Power amplifier See All Accessories for exciters See All 電気音響 See All 音源探査（Noise source identification, NSI） See All 環境騒音 See All 音響パワーと音圧 See All 騒音認証 See All 産業用プロセスコントロール See All 構造ヘルスモニタリング See All 電気デバイス試験 See All 電気システム試験 See All グリッド試験 See All 高電圧試験 See All 導電加振機による振動試験 See All 構造力学 See All 機械分析と診断 See All プロセス計量 See All 車両の電動化 See All トランスデューサの校正サービス See All ハンドヘルド測定器の校正サービス See All 機器およびDAQの校正サービス See All 現地での校正 See All リソース See All ソフトウェアライセンス管理
Dirac room acoustics software
Dirac Multi channel measurement
Dirac room acoustics software -6
Dirac room acoustics software - 5
Dirac room acoustics software - 3
Dirac room acoustics software - 1
Dirac room acoustics software - 4
Dirac room acoustics software - 2

Dirac Room Acopustics Software - 7848

Software to measure room acoustical parameters in the field or laboratory according to ISO 3382 (room acoustics), ISO 18233 (analysis methods) and IEC 60268-16 (speech intelligibility).

img

Dirac Room Acopustics Software - 7848

expand_more
chevron_left
chevron_right

DIRAC is a valuable acoustics measurement tool for field and laboratory acoustics engineers, researchers and educational institutions. Users can compare the acoustics of one room with another, validate sound systems and perform scale model measurements.

Based on the measurement and analysis of impulse responses, the tool supports a variety of measurement configurations.

 

DIRAC supports wireless room acoustics measurements when connected to HBK 2255 Sound Level Meter as a wireless microphone, and/or HBK 2755 Smart Power Amplifier as a wireless sound source. Multi-channel measurements can be made using multiple HBK 2255’s, or with most Windows compatible multi-channel sound devices.

Speech intelligibility measurements can be carried out in compliance with the IEC 60268-16 standard, for male and female voices, through an artificial mouth-directional loudspeaker sound source or through direct injection into a sound system, taking into account the impact of background noise.

In combination with Echo Speech Source Type 4720, speech intelligibility measurements can be performed quickly and easily. The Echo delivers a calibrated signal that is used by DIRAC to calculate different speech intelligibility parameters. The Echo/DIRAC combination also takes into account background noise levels.

Using OmniPower Sound Source Type 4292-L, the speech signal levels, impulse response and the background noise levels can all be acquired in a single pass. Plots of the STI vs. source-receiver distance can be created with a few mouse clicks.

With the minimum amount of measurements, DIRAC gives you Lp,A,S, Lp,A,S,4, D2,S, STI, rD and rP.

CAPABILITIES

  • Multi-channel room acoustics
  • Compliant with ISO 3382 (room acoustics), ISO 18233 (analysis methods) and IEC 60268–16 (speech intelligibility)
  • The convenience of fully wireless measurements with HBK 2255 Sound Level Meter and HBK 2755 Smart Power Amplifier
  • Quick and easy measurements using an optional calibrated speech source (Echo Speech Source Type 4720)
  • Real-time frequency analyzer with spectrum freeze, max-hold and user-defined reference curves
  • Time reverse filtering to measure short reverberation times
  • Impulse response editing with unlimited undo
  • Auto measure for large rooms
  • Predefined and user-defined parameters
  • Auralisation of any sound played in a room, using the room’s impulse response
  • Comparisons and statistics of results
  • Measure the acoustics of any room, hall or space
  • Measure speech intelligibility
  • Check acoustics before and after modification
  • Compare acoustics of different rooms
  • Scale model measurements
  • Test and validate sound systems
  • Research and education on acoustics
  • Troubleshooting room acoustics