- Some computers cannot handle sound (office computers often have the sound card removed.)
- It is not unusual for a user or adminstrator to "switch off" all sound using the computers system settings
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Sound cards cannot "play" very low frequencies and human ears cannot hear very low frequencies.
- A typical soundcard will have a lower limit of about 20 Hz, it is likely to ignore lower frequecy requests or remain silent for the note duration.
- The minimum playable frequency will vary between soundcards
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Sound cards cannot "play" very high frequencies and human ears cannot hear very high frequencies.
- A typical soundcard will have an upper limit of about 20,000 Hz, it is likely to ignore higher frequency requests or remain silent for the note duration.
- The maximum playable frequency will vary between soundcards
- Human hearing abilities vary and individuals may not detect every playable frequency.
DigitalDan.co.uk