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It is really important to remember that there are hundreds of factors that may impact the quality of the audio or video as it relates to Automatic Speech to Text Recognition. The following is a list of things to do to enhance the audio quality. These techniques can improve the transcription accuracy of the Docsoft:AV. Providing good quality media files is essential for the speaker training and transcribing processes.
The Do’s:
The Do Not’s:
Please keep in mind that the best files for audio mining are the files that were captured with CD quality (44,100 kHz, 16 bit) and were saved in lossless or low compression formats (e.g. MP3 with 128 kbps). Altering or up-converting low quality sound to high quality parameters does not improve speech recognition accuracy.