what is the differences between true stereo,stereo,dual stereo?
----- Original Message -----
From: "Kevin Lloyd" <[EMAIL PROTECTED]>
To: "PC audio discussion list. " <[email protected]>
Sent: Wednesday, May 30, 2007 12:53 PM
Subject: Re: True Stereo and Easy CD-Da Extractor
> Hi Victoria.
>
> Hope the following helps a little to explain the difference.
>
> The followign is from the CDEX manual. Basically, don't use Joint Stereo
> unless you're dealing with very low bit rates like 128kbps. For these
> files
> joint stereo will do some messing with the file to try and enhance the
> stereo image of the music.
>
> With the LAME encoder, you can specify how the file is encoded. The
> default
> stereo option is recommended, but at lower
> bit-rates, the Joint-stereo or Forced stereo can yield better sound
> quality.
> Stereo: In this mode, the encoder makes no use of potential similarity
> between the two input channels. It can,
> however, negotiate the bit demand between both channels, i.e. give one
> channel more bits if the other contains
> silence.
> Joint stereo: In this mode, the encoder will make use of a correlation
> between both channels. The signal will be
> matrixed into a sum ("mid") and difference ("side") signal. For quasi-mono
> signals, this will give a significant gain in
> encoding quality. This mode does not destroy phase information like IS
> stereo that may be used by other encoders.
> This setting can be used to encode DOLBY ProLogic surround signals.
> force joint stereo: This mode will force MS joint stereo on all frames.
> It's faster and it uses some special mid and
> side masking threshold.
> Mono: This option will forcibly generate a mono file; if the input file is
> a
> stereo file, the input stream will be read as a
> mono by averaging the left and right channels.
>
>
> Kevin
> E-mail: [EMAIL PROTECTED]
> ----- Original Message -----
> From: "VICTORIA VAUGHAN" <[EMAIL PROTECTED]>
> To: "PC audio discussion list. " <[email protected]>
> Sent: Wednesday, May 30, 2007 5:33 PM
> Subject: Re: True Stereo and Easy CD-Da Extractor
>
>
>> Hi, What is Joint Stereo, verses True Stereo?
>>
>> Thanks! Vicky
>>
>>
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