Click the "Select File" button above, and choose your DS2 file.
You’ll see a preview, if available.
Click the "Convert file to..." button to extract text information.
Convert DS2 to another file type
To convert DS2 audio files to another format, you need Philips SpeechExec Pro or other Audio software.
Convert a file to DS2
To convert other file formats to the "Professional Dictation Audio" file type, you need software like Philips SpeechExec Pro or a similar tool.
About DS2 files
The .ds2 file extension stands for Digital Speech Standard Pro, an advanced proprietary audio format created by the International Voice Association, which includes hardware manufacturers like Olympus, Philips, and Grundig. It is used primarily by professional digital voice recorders for high-quality dictation in the legal and medical fields. You can officially open and manage these files using professional dictation software such as Philips SpeechExec Pro or the Olympus Dictation Management System. The format is highly restrictive and presents several major disadvantages for regular users. It requires expensive software licenses or specialized transcription foot pedals to play. Furthermore, .ds2 files cannot be opened by standard media players, web browsers, or most modern AI transcription services. The format also supports file-level AES encryption, meaning recordings are frequently securely locked to protect patient or client confidentiality. Users almost always need to convert .ds2 to standard audio formats like MP3, WAV, or M4A to share recordings, play them on smartphones, or run them through automated transcription tools. Converting to MP3 drastically reduces compatibility issues while keeping the file size small. Because .ds2 is a closed, proprietary format often wrapped in heavy encryption, standard online converters usually fail to process it. Often, only the original hardware software can properly decrypt and export the audio data. However, just drag and drop your file into convert.guru to identify the format, view its metadata, and convert it if the file is unencrypted and supported by standard codecs.
Use Convert.Guru to open and convert your DS2 file.
If you want to convert DS2 file to MP3, WAV, DSS, MP4, AAC, FLAC, OGG, WMA, M4A, AIFF, OPUS or ALAC, you can use Philips SpeechExec Pro or similar software from the "Dictation Audio Recording" category. In the File menu, look for Save As… or Export….
To convert MIDI, AAC, TTA, AU, WV, DTS, MID, FLAC, RA, MP3, PCM or WAV files to DS2, try Philips SpeechExec Pro or another comparable tool in the "Dictation Audio Recording" category.
The DS2 Converter Story
The history of Convert.Guru began over 25 years ago in California with Tom Simondi’s file-format database. A former contributor to Space Shuttle development and a software pioneer of the 1980s, Simondi established a trusted resource for file type analysis that was even referenced by Microsoft Windows XP. Today, we use modern technology to process and convert thousands of file formats while continually improving our DS2 converter.