![]() Those four rose in quality from 48kbps MP3 mono (suitable for recording speech, placing the least demands upon battery and storage capacity) through 128kbps and 192kbps MP3 stereo to LPCM (a/k/a WAV) (44.1KHz, 16-bit stereo).Īs an older listener without high-quality audio equipment, and with a song collection of mixed quality, I wasn’t sure that I had ever encountered an instance when 192kbps had been inadequate for my purposes. The manual indicated that the DVR offered four different audio quality settings. I found a list of specifications through Sony’s webpage for this device.Īmong other things, that page said the device had a limit of 5,000 recordings, with a maximum of 199 files per folder. ![]() īefore getting too far into the manual, I took a few minutes to review the specs. In this post, I decided to take the approach of becoming familiar with the DVR by working through a few discrete issues. I found that the documentation was extensive, very helpful, but potentially bewildering, and still left many questions unanswered. For that, I could download the PDF or use the web version of the original from Sony, or could choose a modified or enhanced copy from another source (e.g., the University of Colorado). I used the arrow keys in the center front of the device to choose options and move on to the next questions. When that was done, I watched a one-minute video for a very barebones introduction to usage. That woke it up: it wanted to run through basic setup. I started by putting two AAA batteries into the ICD-PX470 DVR. That is, punch a button and get a few seconds of minimal light, requiring very little battery usage. Suggestion to Sony (or its competitors) on that: incorporate something like the Timex Indiglo. I would have appreciated backlighting, but I didn’t need it badly enough to justify the price difference of $47 for the PX470 vs. Also, when the UX570’s lithium battery finally wore down, experience in replacing cellphone batteries suggested that it might be hard to find a quality replacement, whereas the user could replace the PX470’s AAA batteries endlessly. When choosing between the two models, battery preference would depend upon user needs: the UX570’s non-removable lithium would recharge in place via the USB connection, leaving the DVR immobile while charging, whereas the PX470’s removable AAAs would require a separate charger (if the user opted for the more affordable option of rechargeable AAAs) – but its AAAs could be swapped out, facilitating an immediate return to mobile service. ![]() It was distinguished chiefly by its smaller size, backlit screen, and built-in lithium battery (with shorter (!) battery life) vs. Weloty and B&H Video said the more expensive UX570 was mostly similar to the PX470. Slant comparison of the two models (click to enlarge, Back button to return here)Ĭollecting Audio Files for the DVR on a Desktop Computerįirst, a little more detail about the choice between those two models.
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