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Tips and Tricks: What Sample Rate Better for DAC

Many DAC use internal oversampling for better restoring audio signal.
What better input sample rate for DAC?

What sample rate better for DAC

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AuI ConverteR 48x44



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WAV, FLAC, AIFF, ALAC, ISO, DFF, DSF, WMA, mp3,...

WARNING: Input DSF, DFF, ISO supported in Audiophil-E, PROduce-R and configurable Modula-R
Output DSF supported in maximal PROduce-RD and configurable Modula-R

 

Any DAC it is voltage matrix with analog filter low frequencies (LF) at output.

DSD DAC has only 2 levels (1 and -1) contrary PCM DAC.

But both has filter at output. This analog filter restore analog signal from multi- or one-bit digital stream.

Main aim of the filter suppress (from 100 dB and more) artifacts out of half sample rate.

For low sample rates (especially 44.1 kHz) release qualitative filter is very hardly:

transient 2.025 kHz = 44.1 (sample rate)/2 -20 (audible range) from 0 db to less minus 100dB suppression of the artifacts.

More cheap decision use digital filter. But such features also hardly achieved even for digital filter.

Therefore was invented oversampling input sample rate for more wide transient frequency band.

Read more...
 

Resampling Tips & Tricks: Linear Phase Filter vs. Minimal Phase Filter

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AuI ConverteR 48x44

 
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Conversion CDA (CD-audio track) to mp3 may be provided with different level of safety. CD drive can show (via programming interface) errors that appear during reading and mark each byte data integrity (correct/wrong). Looks like, some CD drives can’t do the detection error per each byte.

Released new studio audio converter AuI ConverteR 48x44 v. 6.4 CD ripper, ISO, DFF, DSF, WAV, FLAC, AIFF, ALAC. Improved ISO extraction target directory management.

Audio Basis - Educational program

DSD converter is software for conversion DSD audio files to other formats and back. DSD audio files have extensions DSF, DFF, ISO. As target or source formats PCM multibit formats (WAV, FLAC, AIFF, mp3, etc. files and CD-audio disks) can be used. Also such converter can resample DSD files. Below will described how to work the converter.

 

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