1-bit Technology

1-bit recording is the latest advance in audio, and has been adopted for use in the critically acclaimed SACD (Super Audio CD) recording format. It offers an uncompromising frequency response of DC to 100 kHz, and a dynamic range of 120 dB.

This uncompromising fidelity, low noise floor, extended dynamic range, lifelike imaging and analog quality depth is welcomed by top experts. But there are other important advantages to the format that are of benefit to all recording professionals, regardless of their platform.

Flexible and Future-Proof
the latest state-of-the-art 24-bit converters use high-speed 1-bit conversion to capture audio, using ‘real-time decimation’ and other processes to present the data in the desired bit depth/sample rate format. The beauty of the bit-stream format is that it uses the original 1-bit data, without the need for the other processes. What goes in comes out, with no manipulation needed.

As files are converted and reconverted between various bit depths and sampling rates, there are possibly degrading effects, depending on the sample rate conversion algorithms. The critical issue is that files mixed and mastered in today’s ‘state of the art’ resolution may be insufficient for tomorrows formats.

By archiving your final mixes and masters in a 1-bit system,  you are able to bypass these issues, and preserve your music with both the highest fidelity and in a more “universal” format. That data can easily be converted at a later date to the bit depth and sample rate format of your choice, without compromising the integrity or fidelity of the data. You will even have the option to convert your recordings to newer formats as they appear, whether multi-bit or a further migration to the 1-bit format.

State-of-the-art 24-bit converters use high-speed 1-bit conversion to capture audio, using real-time decimation and other processes to present the data in the desired bit depth/sample rate format. The beauty of the  bitstream format is that it uses the original 1-bit data, without the need for the other processes. What comes in comes out, with no manipulation needed.

As files are converted and reconverted between various bit depths and sampling rates, there are possibly degrading effects, depending on the sample rate conversion algorithms. The critical issue is that files mixed and mastered in today’s state of the art resolution may be insufficient for tomorrow’s formats. Archiving your final mixes and masters in a 1-bit system allows you to bypass these issues, and preserve your music with both the highest fidelity and in a more “universal” format. That data then can more easily be converted at a later date to the bit depth/sample rate format of your choice without compromising the integrity or fidelity of the data. You can even convert to newer formats that will be adopted in the future, be they multi-bit or a further migration to the 1-bit format.

For further explanation of this technology, I have included a link below to a useful explanation by Korg.

Future_Proof_Recording_Explained

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Tags: 1 Bit, 24 Bit, High Definition, SACD

This entry was posted on Saturday, August 15th, 2009 at 9:26 pm and is filed under Advanced Topics. You can follow any responses to this entry through the RSS 2.0 feed.