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FFT Application

FFT Acoustic analysis
FFT S-1-1 Sound analysis of a smartphone/cell phone
  • Using the DS-3000 series Data station and the LA-3560 Integrating sound level meter, acoustic characteristics of ringtone from a smartphone/cell phone are obtained while monitoring the sound pressure level.

  • Measure the sound pressure level of ringtone by the LA-3560, and input the AC signal to the DS-3000 series. The DS-3000 series can analyze the AC signal through FFT analysis, 1/1・1/3 octave analysis and trend analysis of the specified frequency band. The power spectrum max OA function of the DS-0321 FFT analysis software of the DS-3000 series with octave function, allows spectrum analysis at the maximum sound pressure of overall. The output of A-weighted signal can be set by the LA-3560.

  • You can also use the MI-1235 (microphone), the MI-3111 (preamplifier) instead of the LA-3560.

  • The OS-2740 Sound quality evaluation pack (sold separately) can quantify the sound by using six psychoacoustic parameters of [Loudness], [Sharpness], [Roughness], [Fluctuation Strength], [AI], and [Tonality].

  • Use the sound insulating box to cut off the disturbance sound.

 

 

  Model Product name Remarks
1 DS-3000 series Multi-channel Data Station DS-3204 4ch Main unit
DS-0321 FFT Analysis function
DS-0322 Tracking function
DS-0323 1/1, 1/3 Real-time octave analysis function
DS-0350 Recording function
USB 3.0 Cable (2 m)
2 LA-3560 High function sound level meter class 1 Frequency range: 10 Hz to 20 kHz
3 AG-3401
AG-3402
AG-3404
Microphone extension cable (optional) 5 m
10 m
30 m
Remarks
  The DS-3000 series needs a PC separately.
  Other models of FFT analyzer can be applicable (the CF-3650R with real time octave analysis function).
 

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