Hi-Res Audio and Hi-Res Wireless Audio Certification: what it is, how it works and what it does
Certification standards ensuring high-resolution audio playback capabilities in electronic devices, both via wired and wireless connections.
Definition and Scope
Hi-Res Audio and Hi-Res Wireless Audio certifications are quality seals indicating a device's ability to reproduce high-resolution audio. These standards apply to consumer electronics, such as smartphones and players, to verify that the hardware and software support audio formats superior to standard CD quality.
Technical Principles
The technical basis of these certifications lies in the ability to handle high sampling rates and bit depths. According to available evidence, certified devices typically support specifications such as 24-bit/192kHz. This allows for greater fidelity in reproducing sonic details compared to standard 16-bit/44.1kHz formats.
Certification Modalities
- Hi-Res Audio: Refers to high-resolution playback via wired connections (headphone output or integrated DAC).
- Hi-Res Wireless Audio: Ensures that high-resolution audio transmission is maintained over wireless connections, such as Bluetooth, using compatible codecs.
Applications and Product Presence
The presence of these certifications in a product's technical sheet, such as a smartphone, indicates that the manufacturer has validated its audio capabilities. For example, a device may list Dolby Atmos alongside Hi-Res Audio and Hi-Res Wireless Audio certifications, suggesting an integrated audio system that combines spatial processing with high fidelity in both wired and wireless modes.
Limitations
Certification guarantees the device's technical capability to decode and transmit high-resolution signals, but it does not ensure that the audio content used is high-resolution or that the final listening experience is superior without an equivalent quality playback system (headphones or speakers).