Sony Digital Voice Player

This is free, dedicated software for use with the DVF, ICS, MSV and WAV file types used by the ICD-BP100, ICD-BP120, ICD-MS1, ICD-R100 IC Recorders.
The DVF file is a sound file format used in recording messages on the Sony IC recorder models ICD-BP100/BP120.
The ICS file is Sony's original sound file format used in recording messages on the IC recorder model ICD-R100.
The MSV file is a sound file format used in recording messages on the Memory Stick IC recorder model ICD-MS1.
The WAV file is a PCM 8kHz/11kHz/16kHz, 8bit/16bit monaural sound file used in recorded sound in standard Windows application software.