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The Digital Speech Standard (DSS & DSS Pro)
OM System Professional Audio Support, 2026
Read the originalRead on October 16, 2026
- What it is
- OM System's technical overview of the DSS and DS2 dictation formats, including recording modes, compression, encryption and their role in dictation workflow.
- How much weight it carries
- Written by a company that makes dictation recorders, so it describes its own formats. It gives no measured recognition results to support its claim about speech recognition.
Facts taken from this source
- OM System says its DS2 dictation file format provides file encryption at 128-bit or 256-bit AES.
“File encryption is provided at 128-/256-bit AES” (Section on Digital Speech Standard Pro (DS2 file format))
- OM System says the DS2 format supports better sound quality, which it says improves speech recognition results.
“The DS2 format also supports better sound quality which in turn improves the speech recognition results.” (Section on DS2 encryption and sound quality)
- OM System says DSS dictation recorders can record in overwrite mode and insert mode, which made the format ideal for dictating.
“They even allowed the user to record in overwrite mode and insert mode which essentially made the format ideal for dictating.” (Introduction, paragraph on the DSS format)