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#1
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320 bps vs. .wav recording: what's the difference?
Hi, there,
I'm doing voice recording, and I bought the iriver h340, a high end model with a sony ecm-ms907 mike. I'm a prosumer/nonprofessional kind of person, but committed to good quality. H340 is a high end mp3 player with recording capability, plus lots of settings for recording. I've used the ihp-140 (an older model) and found it suitable for my purposes. It recorded .wav files just fine. Both h340 and ihp-140 play different bit rates for mp3's 112, 128, 160, 192, etc in the h340 it goes up to 320 bps, which is pretty damn good high quality. Then, my ihp140 broke, and I needed something new. Unfortunately, after buying h340, I didn't notice that iriver removed the record-to-wav feature. Instead all I have is 320bps. Presumably I would have to transcode from 320bps to .wav and then do my editing there, and then render it however I want. Am I losing very much here? I know transcoding is very ugly, but someone on the iriver list said they're both high quality formats, and that the loss is not significant (especially considering that it's to voice). I'm going to play around with recording tonight, but can does anyone agree with this advice-giver for my purposes. Aside from detecting things with my own ears, what kind of things should I look out for? What is the biggest danger to doing this? Robert Nagle idiotprogrammer |
#2
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"idiotprogrammer" wrote in message Am I losing very much here? I know transcoding is very ugly, but someone on the iriver list said they're both high quality formats, and that the loss is not significant (especially considering that it's to voice). I'm going to play around with recording tonight, but can does anyone agree with this advice-giver for my purposes. Aside from detecting things with my own ears, what kind of things should I look out for? What is the biggest danger to doing this? Althopugh 320kbps is very good, and damage is already done. Simply loading it into most editors essentially does the decoding (must be linear PCM in order to edit....), and a WAV is a straight save from there. Where you may start to notice degradation is a subsequent encoding to MP3, WMA, or whatever from there.... geoff |
#3
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"idiotprogrammer" wrote in message oups.com... I'm doing voice recording ... with a sony ecm-ms907 mike. .... Unfortunately, after buying h340, I didn't notice that iriver removed the record-to-wav feature. Instead all I have is 320bps. Presumably I would have to transcode from 320bps to .wav and then do my editing there, and then render it however I want. Am I losing very much here? I know transcoding is very ugly, but someone on the iriver list said they're both high quality formats, and that the loss is not significant (especially considering that it's to voice). I'd guess you'd hit the limitations of the microphone before the limitations of the recording format. Tim |
#4
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"idiotprogrammer" writes:
[...] Presumably I would have to transcode from 320bps to .wav and then do my editing there, and then render it however I want. Hi idiotprogrammer, Just a nit, but the term "transcoding" is usually reserved for a conversion from one compressed format to another. Usually converting from compressed data to linear data is simply called "decoding." -- % Randy Yates % "...the answer lies within your soul %% Fuquay-Varina, NC % 'cause no one knows which side %%% 919-577-9882 % the coin will fall." %%%% % 'Big Wheels', *Out of the Blue*, ELO http://home.earthlink.net/~yatescr |