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My HP Brio Has an Audio (Sound) Problem
34
There Is a Humming Noise
Have you checked that... How
The power grounding of your audio
components is adequate
Ö
Plug all devices into adjacent power outlets (outlets
within 5 cm / 2 inches of each other), or use line
filters
The PC Hangs While Recording
Have you checked that... How
You are not filling up your hard disk with
uncompresseddigitalaudio.Forexample,one
minute of stereo sound recorded at a
resolution of 44 kHz will occupy about 10.5
MB.
Ö
• Before recording, check that there is enough free
space on your hard disk.
• Data compression can reduce the space required.
The A-lawand m-law hardwarecompression used
by the audio interface enables the sampling of
sound at a resolution of 16-bits, but it generates
thesamequantityofdataasan8-bitsample.
No Output From 8 or 16 Bit Digitized Sounds
Have you checked that... How
You do not have an interrupt conflict or that
you have not selected the wrong DMA
channel
Ö
Use your operating system’s audio control software
to change the audio interface’s DMA channel or IRQ
setting
Audio Input From Microphone Too Low
Have you checked that... How
The microphone specifications meet the
requirements of the 16-bit sound
components. The microphone should be a
600-ohm electret type.
Ö
Check the documentation that came with your
microphone