Details: File format summary

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Summary
Name	Memory Stick Voice File (MSV)/Digital Voice File (DVF)
Version	LPEC Codec
Other names
Identifiers	PUID: fmt/1892
Family
Classification	Audio
Disclosure
Description	The Memory Stick Voice (MSV) format is an audio file format that was used on the Sony Memory Stick IC recorder, specifically the ICD-MS1 model. Two versions of the MSV format exist: MSV (ADPCM) and MSV (LPEC). The first version, MSV (ADPCM), uses an unspecified type of ADPCM compression, while this version MSV (LPEC) uses Sony's proprietary Long-term Predicted Excitation Coding (LPEC) codec. The Digital Voice File (DVF) is an audio file format that was used for recording messages on certain Sony IC recorder models, including the ICD-BP100 and ICD-BP120. DVF files utilized both the Long-term Predicted Excitation Coding (LPEC) as in this version and TRC codecs in their formation. However, as of March 31, 2017, the software used to manage the DVF files, known as Digital Voice Editor, was discontinued and is no longer available for download.
Orientation
Byte order
Related file formats	Has priority over Sony Digital Voice File/Sony Memory Stick Voice File
Technical Environment
Released
Supported until
Format Risk
Developed by	None.
Supported by	None.
Source	Brigham Young University / Brigham Young University
Source date	03 Aug 2023
Source description
Last updated	03 Aug 2023
Note