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64-bit audio processing. Necessity or redundancy

Here viewed advantages and disadvantages of different bit resolutions (16, 24, 32 bit, ... integer and floating point) of digital audio processing.

 

 

Remark: AuI ConverteR 48x44 use 64-bit floating point audio processing for all versions


64-bit audio processing

 

16-bit integer processing

Advantages

1. Fast mathematics.

2. Low occupied hard disk and random access memory (RAM) space.

 

Disadvantages

1. High noise level (about -110 ... -120  dB)

2. Low number summarize / multiply steps  for achieving overflow.

3. Is not optimal bit size for 32- and 64-bit processors of computer - central processor unit (CPU).

 


24-bit integer processing

Advantages

1. Low noise level (about -150 ... -160  dB)

 

Disadvantages

1. Is not suitable bit size for 32- and 64-bit CPUs.

 


32-bit integer processing

Advantages

1. Very low noise level (about -170 ... -190  dB)

2. Fast mathematics.

3. Fastest access to RAM (for 32- and 64-bit CPUs).

3. Is optimal bit size for 32- and 64-bit processors of computers.

 

Disadvantages

1. Restricted number summarize / multiply steps  for achieving overflow.

 


32-bit floating point processing

Advantages

1. Fast mathematics (for math co-processors).

2. Fastest access to RAM (for 32- and 64-bit CPUs).

3. Very low noise level (below -190 dB)

 

Disadvantages

1. Restricted number summarize / multiply steps  for achieving overflow, but more then integer.

 


64-bit integer processing

Advantages

1. Very low noise level (below -190  dB)

3. Fastest access to RAM (for 64-bit CPUs). Optimal bit size for 32- and 64-bit processors of computers.

 

Disadvantages

1. Restricted number summarize / multiply steps  for achieving overflow (then for floating point resolutions).

2. More significant  accumulated rounding errors (than for floating point resolutions).

 


64-bit floating point processing

Advantages

1. Almost not restricted number summarize / multiply steps  for achieving overflow (then for floating point resolutions).

2. Very low noise level (below -190  dB)

3. Fastest access to RAM (for 64-bit CPUs). Optimal bit size for 32- and 64-bit processors of computers.

 

Disadvantages

1. Most slow calculation performance.

 

 

 

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Audiophile converter
ISO DSF DFF FLAC WAV...
 CD ripper
DSF/FLAC metatag editor
AuI ConverteR 48x44

 
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Import/Export Metadata during Conversion Audio

Read metadata: DSF, WAV, FLAC, AIFF*, mp3

Write metadata: DSF, WAV, FLAC, AIFF*

 

Metadata Editing

DSF, WAV, FLAC, AIFF*

 

Metadata and CD ripping

Search and export text metadata from free Internet database.

Assigning album artwork before conversion.

 

Metadata and ISO (1-bit audio) extraction

Extraction text metadata from ISO.

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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