Notebooks & Accessories
Hands On: Plantronics Headset-Microphone
Speaking of voice recognition, here's a tip: The built-in audio processor--which pumps sound out to the computer's speakers and processes audio input--in typical notebooks can't compare to the more powerful audio chips installed in most desktop PCs. That's a big disadvantage for notebooks users who want to take advantage of voice recognition software, Internet telephony, or other applications that require a powerful audio card for optimal results.
I've tried using voice recognition software and standard microphones to dictate text on my Dell Inspiron 8100 notebook, but the frequent errors were extremely frustrating. (My notebook has an ESS Maestro PCI audio chip, which is adequate but not up to such demanding tasks as accurate voice recognition.)
To improve my results, I've been using a noise-canceling headset/microphone, the Plantronics DSP-400 ($89; check our Product Finder for the latest prices), to dictate text into my Inspiron. The USB device features its own digital signal processor, designed to improve voice recognition accuracy and overall sound quality on computers with average or subpar audio processors. The DSP-400's stereo headset can be folded compactly for travel, too; a carrying case is included.
I saw an immediate improvement in voice recognition accuracy when I used the DSP-400 with my NaturallySpeaking 7.0 software. But I found the headset to be uncomfortable to wear, so I wouldn't recommend it for long hours of listening to music. For dictation, however, I just wear the headset around my neck and position the microphone toward my mouth. It's a worthy solution for notebook users interested in voice recognition to reduce typing, or for other audio applications.
Tip: Keep Your Battery From Blowing Its Top
No doubt you've heard or read stories about notebook batteries catching fire or exploding. Before you file such stories in the Urban Myths folder, consider this: Electrochemistry experts say the danger, though rare, is real. Lithium-ion batteries, commonly used in today's notebooks, use cobalt oxide--a substance with a tendency to self-heat. The good news is that safer alternatives, such as a phosphate technology, are in development.
In the meantime, play it safe by replacing lithium-ion batteries every two to three years (constant recharging weakens the battery). And don't leave your notebook in a car trunk, where the temperature can easily go above 140 degrees Fahrenheit, the point at which self-heating can occur.
Review: A ThinkPad Worth Contemplating
In the words of PC World reviewer Carla Thornton, "Ultraportables don't get much better than the ThinkPad X31." The notebook weighs under 4 pounds, yet features a keyboard that feels as spacious as a full-size notebook keyboard. The ThinkPad X31 also includes an impressive array of ports, including FireWire, and CompactFlash slots. Battery life was noteworthy for an ultraportable, lasting 4.8 hours on one charge in PC World tests. The notebook lacks an internal optical drive, though you can add one externally with IBM's optional UltraBase docking station ($199). Read Carla's complete review for more details. For the latest prices (around $1300 to $1400), check our Product Finder.
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