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with 20 or 24 bit converters, as well as a 24 bit-compatible NME drive. 24 bit
audio material can also be transmitted via audiocards with SPDIF digital
interfaces.
We have had positive experiences with the 24 bit audiocards produced by
Marian, RME, SEKD and Terratec.
The high resolution audio files are stored and edited in the 32 bit "floating
point" file format by MAGIX Audio Cleaning Lab MX. This ensures the full 24
bit quality independent of the gauge. The dynamics may increase to over 140
dB, while the recording’s jamming transmission sinks, according to the type of
audiocard, to 110 dB and more. Thanks to floating point processing, there is
no need to worry about internal editing being distorted. Floating point
processing only starts to distort at around 1,500 dB above zero – in contrast
to a 16 bit signal that distorts immediately once the zero dB line has been
traversed.
Even in cases whereby audio material is intended for burning onto a 16 bit
CD, it is worth selecting 24 bit recording because all effects calculations are
made in a higher quality and therefore no "rounding" mistakes can be
detected in the audible 16 bit range.
24 bit recordings (via storage as 32 bit float files) take up twice as much
storage space on the harddisk as 16 bit recordings. But with current harddisk
storage capacities, it works out as a good compromise when one considers
the increase in quality.
High resolution audio files can be imported and exported as 24 bit WAV files,
enabling trouble-free file exchange with other high quality audio systems, such
as MAGIX Samplitude.
Digital transfer
With the recording function, digital audio data can be transferred to the hard
drive through a digital interface (e.g. S/PDIF or ADAT).
ADAT or DAT recorders normally produce data with a sampling rate of 48 kHz.
For a CD project with 44.1 kHz you must convert the sampling rate. This is
carried out in real time by MAGIX Audio Cleaning Lab MX. The digital signal is
read at 48 kHz, but is automatically converted and inserted into the project as
an audio file at 44.1 kHz.
For this to occur correctly, you must first set the sample rate of the incoming
signal in the recording dialog. Click on the "Dev." button in the recording
dialog. In the following dialog (sound card characteristics), set the audio
recording formats supported by the sound card.