Catch up on stories from the past week (and beyond) at the Slashdot story archive


Forgot your password?
Check out the new SourceForge HTML5 internet speed test! No Flash necessary and runs on all devices. ×
This discussion has been archived. No new comments can be posted.


Comments Filter:
  • Active Digital Speaker:

    Digital value gets sent to the speaker.
    The position of the speaker diaphragm is read out to obtain a digital representation of the actual position.
    (this can be done using optics and hamming code, or some other means - e.g. interference patterns)
    The speaker compares the desired position with the actual position and moves the speaker cone/diaphragm till it reaches the desired position.

    Contrast with analog speakers - you send a voltage+current and the cone moves hopefully in the right wa

The trouble with computers is that they do what you tell them, not what you want. -- D. Cohen