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ARSCLIST  December 2011

ARSCLIST December 2011

Subject:

Re: Question regarding Sample Rate Conversion (SRC) software

From:

Mike Hirst <[log in to unmask]>

Reply-To:

Association for Recorded Sound Discussion List <[log in to unmask]>

Date:

Wed, 7 Dec 2011 17:34:03 +0000

Content-Type:

text/plain

Parts/Attachments:

Parts/Attachments

text/plain (174 lines)

I have used r8brain and found it to be solid and reliable.

On 06/12/2011 21:57, L. Hunter Kevil wrote:
> Thanks very much indeed to Richard, Corey, David, Shai, and Eric.
>
> iZotope&  Weiss look very tempting, but my purchasing manager - the better
> half - says no go, too much dough. But I may not be stuck. Eric's reference
> to the infinitewave site is very revealing.
>
> http://src.infinitewave.ca/
>
> It shows that R8brain free seems to have no artifacts, like iZotope, at the
> cost of an inverted phase pulse and a low-pass cutoff a bit lower than
> usual. Its website is here:
>
> http://www.voxengo.com/product/r8brain/
>
> I don't have much choice at the moment, but does anyone have any comments
> about this? Am I reading the infinitewave data correctly?
>
> TIA,
>
> Hunter
>
> On Sat, Dec 3, 2011 at 10:26 PM, Eric Jacobs<[log in to unmask]>wrote:
>
>> Shai,
>>
>> Were you thinking of this site:
>>
>> http://src.infinitewave.ca/
>>
>> Eric Jacobs
>>
>> The Audio Archive, Inc.
>> tel: 408.221.2128
>> fax: 408.549.9867
>> mailto:[log in to unmask]
>> http://www.TheAudioArchive.com
>> Disc and Tape Audio Transfer Services and Preservation Consulting
>>
>>
>> -----Original Message-----
>> From: Association for Recorded Sound Discussion List
>> [mailto:[log in to unmask]]On Behalf Of Shai Drori
>> Sent: Saturday, December 03, 2011 11:12 AM
>> To: [log in to unmask]
>> Subject: Re: [ARSCLIST] Question regarding Sample Rate Conversion (SRC)
>> software
>>
>>
>> If you are willing to spend a little, Izotope has a wonderful src that
>> has no (I'm serious about this) no artifacts. I was trying to find in my
>> database the website that did the testing a while ago. It was a very eye
>> opening experience about src. Cost means nothing. You wouldn't believe
>> how many top notch DAW's have @#$% src. IIRC Izotope was the only one
>> with no artifacts at a reasonable cost. Weiss I think was another one if
>> you have the money.
>> Shai
>>
>> On 02/12/11 21:40, L. Hunter Kevil wrote:
>>> Thanks for the quick reply, Richard. Much appreciated.
>>>
>>> I probably should have mentioned that I do not own a DAC,  much less a
>>> pro-quality one like your RME's. And you bet I won't discard any original
>>> files I acquire.
>>>
>>> For the moment I'm just trying to find software that will enable me to
>> use
>>> lplex to write 24/96 files to a DVD-video. (It won't work at 88.2) The
>>> DVD's are very portable, solving one problem The problem is that 88.2/24
>>> files are much more common on sites like HDTracks than 96/24 ones.
>>>
>>> Thanks again,
>>>
>>> Hunter
>>>
>>> On Fri, Dec 2, 2011 at 1:01 PM, Richard L.
>> Hess<[log in to unmask]>wrote:
>>>
>>>> The question is this: what recommendations can you give for converting
>>>>> stereo music files at 24/88.2 and 24/192 to 24/96 with no loss of
>> musical
>>>>> information?
>>>>>
>>>> DON'T !
>>>>
>>>> Just play those files into your DAC at their native rate and enjoy them.
>>>>
>>>> One could argue that you cannot losslessly convert 24/192 to 24/96 in
>> any
>>>> event, as you are halving the recorded information.
>>>>
>>>> In reality, since the bandwidth is being reduced from say 90 to 45 kHz,
>>>> the loss would be more evident to bats and perhaps dogs than humans, but
>>>> still, it cannot be lossless.
>>>>
>>>> The conversion from 88.2 to 96 could be done, but since it involves a
>> lot
>>>> of interpolation, it is probably not lossless. In this case, however,
>> you
>>>> are actually storing more bits.
>>>>
>>>> For both of these cases, it is far better to just enjoy the files in
>> their
>>>> native formats. My RME converters will adapt to the input format, well,
>>>> except for 192, where I can only say my RME converter (the Fireface UFX
>>>> will, the Multifaces only go to 96).
>>>>
>>>> Even if you make conformed copies, keep the original files.
>>>>
>>>> Cheers,
>>>>
>>>> Richard
>>>>
>>>>
>>>> On 2011-12-02 1:34 PM, L. Hunter Kevil wrote:
>>>>
>>>>> I'm a long-time lurker and quasi-newbie in the field of digital audio.
>> I
>>>>> enjoy this list greatly because of the friendly atmosphere and the
>>>>> knowledge of the participants, so I hope that my question will be not
>> be
>>>>> perceived as to out of place.
>>>>>
>>>>> The question is this: what recommendations can you give for converting
>>>>> stereo music files at 24/88.2 and 24/192 to 24/96 with no loss of
>> musical
>>>>> information?
>>>>>    Or is such a thing not possible for an amateur (a cheap but not
>>>>> completely
>>>>> impecunious one?) I have Windows machines and am adept with software.
>>>>>
>>>>> I have not been able to locate any good information that answers this
>>>>> question directly. Many recommend dbpoweramp and other software, but I
>>>>> cannot verify whether there is any loss of musical quality. I have seen
>>>>> articles describing how SCR takes place in the process of creating
>>>>> professional master recordings - including conversions to analogue,
>>>>> dithering,&c.
>>>>>
>>>>> Thanks for your help,
>>>>>
>>>>> L. H. Kevil
>>>>> University of Missouri
>>>>>
>>>>> This post has nothing to do with the university. I'm just indulging my
>>>>> passion for high-quality music reproduction.
>>>>>
>>>>>
>>>> --
>>>> Richard L. Hess                   email: [log in to unmask]
>>>> Aurora, Ontario, Canada           (905) 713 6733     1-877-TAPE-FIX
>>>>
>> http://www.richardhess.com/**tape/contact.htm<
>> http://www.richardhess.com/tap
>> e/contact.htm>
>>>> Quality tape transfers -- even from hard-to-play tapes.
>>>>
>>
>

-- 
Mike Hirst
Managing Director
DAS-360°
16 Ocean View
Whitley Bay
Tyne & Wear
NE26 1AL

tel: 0191 289 3186
email: [log in to unmask]
web: http://www.das360.net

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