High-resolution audio (HRA) refers to audio formats that have a higher bit depth and sample rate than standard audio formats like MP3 or AAC. These formats provide a higher level of detail and clarity, resulting in a more accurate and immersive listening experience. When comparing bitrate, or the amount of data transferred per second, High-Resolution Audio’s bitrate (9,216 kbps) is nearly seven times higher than that of CDs (1,411 kbps) and almost 29 times higher than that of MP3s (320 kbps). And the higher the bitrate, the more accurately the signal is measured. So what does this mean for music streamers and downloaders? The benefits of high-resolution audio include:
Improved Sound Quality
Increased Dynamic Range
Better Low-Frequency Response
Greater Transparency
Comparing MP3, CD, and Hi-Res
MP3
- Lossy Quality
- Compressed Audio
- 128-356 kbps Bit Rates
- 16-Bit Bit Depth
- 44.1 kHz Sample Rate
CD Quality
- Lossless Quality
- Uncompressed Audio
- 1,411 kbps Bit Rate
- 16-Bit Bit Depth
- 44.1 kHz Sample Rate
Hi-Res Master
- Lossless Quality
- Uncompressed Audio
- 9,216+ kbps Bit Rate
- 24-Bit Bit Deptth
- 44-192 kHz Sample Rates
High-Res Audio Files
You will need access to high-resolution audio files in a format such as FLAC, WAV, or DSD. These files can be purchased and downloaded, ripped from CDs, or streamed via select music streaming services. While CDs are encoded in lossless quality 16-Bit at 1,411 kbps, 24-Bit audio is also available for download from sites such as HDtracks and Qobuz, with bitrates exceeding 9,216 kbps. Hi-res audio files can also be streamed via select music streaming services like Qoubuz and Tidal.
Compatible Playback Device
You will need a device that can play high-resolution audio files, such as a high-end music player, or a computer with a high-end audio interface. Software like ROON and MusicBee allow for easy storage and playback of digital audio libraries.
Quality Headphones or Speakers and Cables
To truly enjoy the benefits of high-resolution audio, you will need headphones or speakers that are capable of reproducing the full range of frequencies and dynamic range of the high-resolution audio files. To ensure that you get the most out of your high-resolution audio files, it is important to use high-quality audio cables to connect your playback device to your headphones or speakers. This will help to preserve the quality of the audio signal and prevent signal loss or distortion.
Quality Amplifier and DAC
If you’re using speakers, you will need a quality amplifier that can handle the higher resolution audio files and output them at high volume without distortion. Also, a good quality DAC (Digital Audio Converter) will ensure that the digital audio files are converted to analog signal in the best way possible.
