No, it is not possible to playback by the Sound Level Meter.
The sound is saved in the WAV format of the 16 bit 64 kHz sampling, so it is possible to playback by the speaker of the PC which has sound function.

 [Analysis software]

• XN-8100 series Report Creation Software with Simultaneous Measurement Function
  FFT analysis, Octave analysis, and report creation are possible by passing through the band pass filter.


• WS-5150 Sound Quality Simulation Software
  Playback sound quality simulation is possible by changing the spectrum.


• WS-5160 Sound Quality Evaluation Software

Sound evaluation of loudness, and variation of strength are possible.