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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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AuI ConverteR 48x44

 
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Released new studio audio converter AuI ConverteR 48x44 v. 6.3 CD ripper, ISO, DFF, DSF, WAV, FLAC, AIFF, ALAC. Applied wide band (up to 100 kHz) mode for ISO/DFF/DSF/PCM types of conversion.

Released new studio audio converter AuI ConverteR 48x44 v. 6.2.2 CD ripper, ISO, DFF, DSF, WAV, FLAC, AIFF, ALAC. Fixed some bugs of displaying output formats and some minor bugs.

Released new studio audio converter AuI ConverteR 48x44 v. 6.2 CD ripper, ISO, DFF, DSF, WAV, FLAC, AIFF, ALAC. Apllied downmix multichannel to stereo (5.1 to 2.0) and translation of user interface to Russian and German (partitially yet).

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