[bookport] Re: Probably a very ancient question
- From: "Walt Smith" <walt@xxxxxxxxxx>
- To: <bookport@xxxxxxxxxxxxx>
- Date: Thu, 9 Mar 2006 12:46:35 -0500
Moreover, purist or not, the recording engineers and producer may very well
have deliberately chosen to have specific instruments or sounds originate on
specific tracks in order to gain certain effects. If I'm listening to
something, I want to do so as it was intended to be listened to.
----- Original Message -----
From: "Bruce Toews" <DogRiver@xxxxxxxx>
To: <bookport@xxxxxxxxxxxxx>
Sent: Thursday, March 09, 2006 12:38 PM
Subject: [bookport] Re: Probably a very ancient question
It is important to the audio purist.
Bruce
--
Bruce Toews
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On Thu, 9 Mar 2006, doc wrote:
> How is the channels being swopped taking away from the audio? I can see if
> there were no stereo at all, but just because an instrument isn't coming
> from the channel you are use to doesn't seem that important as what
> quality
> of sound I'm hearing.
> When you give unto others
> whether or not they give to you in return, It matters not for your job
> is
> Complete and your rewards forthcoming.
> robert Doc Wright
> http://www.wrightplaceinc.net
> msn
> godfearer15@xxxxxxxxxxx
>
>
> ----- Original Message -----
> From: "Andrew Hart" <ahart@xxxxxxxxxxxxx>
> To: <bookport@xxxxxxxxxxxxx>
> Sent: Thursday, March 09, 2006 8:38 AM
> Subject: [bookport] Probably a very ancient question
>
>
>> Hi folks,
>>
>> I've ben using the BP for more than a year now. it's a pretty useful
>> little beasty, which I recently had to ship back to APH for repairs
>> because it gratuitously upped and died on me. Despite the fact they
>> needed to send it back to Springer Design, they returned it in only 4
>> weeks from the date I shipped it, which is not bad going considering
>> they told me it can take up to five weeks to get a repair done if it
>> has to be shipped back to the factory and the mail often takes two
>> weeks to reach me from the States. Anyway, thanks again APH for the
>> repair work. I was pleasantly surprised to find it waiting for me
>> when I returned home from holidays. It's muchly appreciated.
>>
>> However, I want to ask a question that I am sure has been asked many
>> times before on this list.
>>
>> Why is it that the left and right channels are swapped on playback of
>> stereo Mp3 files? Such a basic flaw does surprise me somewhat. Does
>> the MP3 decoder use little endian while the CPU uses big endian
>> integers? Or did the DAC get wired upto the audio output the wrong
>> way round or something?
>> And would it be possible to provide a quick fix by swapping the
>> channels in software before pumping them to the DAC?
>> The Rockbox folks had to byte swap integers on the Archos line of
>> portable MP3 players in order to have their alternative firmware
>> produce correct output. The Archos' only had 12 MHz processors with
>> 2 MB of RAM, the byte swapping was done with a small assembler
>> routine and I believe that battery life was not substantially
>> affected by the need to constantly preprocess the mp3 byte stream in
>> this way. From discussion of BP hardware limitations, I suspect that
>> the BP isn't significantly more powerful than the Archos
>> units. However, I haven't a single clue about what hardware is
>> inside the BP at all; I am merely guessing so it's highly probable
>> I'm talking threw my hat here.
>>
>> I must admit I mainly use the Bookport for reading books, but it
>> would be nice to be able to listen to radio productions, movies and
>> music, etc., with the channels correctly allocated and without the
>> need to employ a hardware channel reverser. Such oversight of such a
>> basic property of the product does strike me as a significant bug
>> imho. i'mnot trying to apportion blame to anyone involved in BP
>> development; I'm merely just curious as to how it came about.
>>
>> Please forgive me if this has previously been hashed to death on the
>> list, but I have only recently joined.
>>
>> Or, another thought occurs to me. Maybe it's not the Book Port
>> that's at fault here. Is there something I might be doing wrong that
>> could be flipping the channels? I can't think what it could possibly
>> be. I generally move mp3 files to the BP via a flashcard
>> reader. USB 1.1 just doesn't cut it when moving anything other than
>> text files imho, which are fairly small. In fact, BPT is sometimes
>> slower processing the file so USB 1.1 isn't a big issue when dumping
>> books onto the unit, but I'm too impatient to sit around transfering
>> mp3's by any means short of USB 2.0.
>>
>> Cheers,
>> Andrew.
>>
>>
>
>
>
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