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Understanding Digital Audio Converters
Music is stored in 0s and 1s in your smart phone or computers. To be able to convert to audio signal you need a convertor. A DAC is a Digital-to-Analogue Converter. It’s a device that converts digital audio information (comprised of a series of 0s and 1s) into an analogue audio signal that can be sent to a headphone amp or Speaker or Computer. DACs are embedded in various video players, audio players and smart phones etc. (we here talk about DAC which provides solution to your Smart Phones and Computers, specifically keeping in mind Signature Acoustics TM – PRODAC.)
Most computers or smart phones come preinstalled in DAC and that is how you connect your headphones or speakers into the same. However with the advent of Type C digital port, it is easy for the phone manufacturers to let user choose their own DAC. DACs have like any smart chip performances which are defined by the bit size, SNR (Signal to Noise Ratio), Cross Talk, Output Voltage etc. these all parameters define how the sound will be perceived in your headphones or speakers (the output source). In simple terms you can presume that DACs are an external sound card on your desktop computer.
The present generation DACs have wide compatibility in that they can be connected to PC, Mac, Tablets, Smart Phones (Typically with Type C port or Type A) and the compatibility is increasing with removal of Headphone Jacks and Mic In from your headsets.
While previously the markets had very few OEM manufactures, now with the inclusion of Type C interphase, DAC has been encapsulated as a ADD ON to improve audio quality.
PARAMETERS DEFINING DAC:
The most important characteristics of a DAC are:
Resolution : Is the audio depth in output levels. These are effective bits which defines the actual resolution. In simple words higher the Bit higher will be resolution, however this is not necessariliy the only parameter that defines high fidelity.
Sampling Rate: It is the speed at with the internal chip can operate with predefined output.
Monotonicity: Not applicable for this blog.
Total harmonic distortion and noise (THD+N):
A measurement of the distortion and noise introduced to the signal by the DAC. It is expressed as a percentage. Lower is better
Dynamic range (DNR):
A measurement of the difference between the largest and smallest signals the DAC can reproduce expressed in decibels. This is usually related to resolution and noise floor.
Signal-to-noise Ratio (SNR):
A measurement of ability to carry the desired signal output which can be lost due to system noise.
|Manufacturer||Built-in DAC Chipset||Sampling Rate||Dynamic Range||(Signal to Noise Ratio)|
|(Total Harmonic Distortion + Noise)|
|KT Micro||KT0210||24 Bit/96 Khz||N/A||105 dB||88 dB||54 dB|
|REALTEK||REALTEK ALC5686||32 Bit/384 Khz||118 dB||100 dB||100 dB||80 dB|
|Qualcomm||Qualcomm WHS9415||32 Bit/384 Khz||123 dB||123 dB||105 dB||100 dB|
|ESS Technology||ESS ES9280C Pro||32 Bit/384 Khz||122 dB||130 dB||110 dB||126 dB|
|Conexant||Conexant CX31993||32 Bit/384 Khz||120 dB||128 dB||95 dB||120 dB|
The advantages of using an external DAC
SA Chipset CX 31993 is a high end performance DAC at a less than 13.0 USD (with Six months of warranty). CX 31993 is DAC Similar performing DAC cost anywhere from 30 to 150 USD. Making CX 31993 extreme value for money DAC.
Type C/Type A convertor is provided making it useful with wide compatibility in Desktop, MAC or Mobile environment.
The High Grade Silver Cable 99.99% purity ensures higher audio transmission fidelity.
The thinking behind SA CX-PRODAC is that, when you press play on your phone or speaker, the sound that comes out often isn't as the artist intended. We've found it should often be clearer, crisper or offer up more bass. In order to do that, you need a good quality cable and who does it better than the Silver Plated 99.99 copper SA CX-PRODAC? Hence we have come up with the product which looks relatively small but plays a vital role in entire listening. With SA's CX-PRODAC you can enjoy matchless portable Hi-Fi sound with a built-in DAC Hi-Res CX31993 chip of high quality. Off course you could just get used to how your phone plays music. But if you're an audiophile that just won't do. So, if your music isn't sounding quite as spectacular as it should – and the only thing you've changed recently is the source – it's likely that your new device (a new laptop, desktop, phone or tablet) has a poor quality DAC built-in. So, to be clear, there's a DAC in your phone or other device. But that doesn't mean you don't need another.
This product comes in beautiful portable tin box!
You can check our and buy this product on - https://proaudiohome.com/p/signature-acoustics-sa-cx-prodac-audiophile-hifi-mobile-audio-adapter-external-sound-card-usb-type-c-dac-headphone-amp-with-3-5mm-stereo-for-android-windows10-macbook-chipset-cx31993-with-type-a-to-type-c-kit/itemNzEy/
Disclaimer: Signature Acoustics and Pro Audio Home are owned by Pristine Note Pvt. Ltd.