Other Olympus digital voice recorders have a wider frequency response than the DS-2300. Why is the frequency response in the DS-2300 narrower?

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Other Olympus digital voice recorders have a wider frequency response than the DS-2300. Why is the frequency response in the DS-2300 narrower?

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The DS-2300 is designed to emulate the features of Olympus Professional Dictation Devices, whose primary function is to record dictation files for transcription. Dictation recordings do not require a wide frequency response because the audio signals they are intended to reconstruct (tones produced by a human voice) fall within a relatively narrow band of frequencies. Accordingly, the DS-2300 makes files that contain only as much audio detail as is necessary to re-create the original signal. By restricting the frequency response, the DS-2300 is able to create smaller files, which has the benefit of maximizing memory capacity (recording time). The DS-2300 is not recommended for recording music or interviews intended for broadcast where a broad frequency response would be desirable.

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