How to choose the best high-resolution audio streaming service for you? Number of tracks Both your phone and headphones will need to support the same signal in order for high resolution audio to work. They’ll need to support either Bluetooth aptX HD, LDAC, Google Cast or Bubble UPnP. ![]() Your wireless headphones or speaker will also require a DAC that supports HD/Ultra HD audio and they’ll have to support the signal used to send the Hi-Res audio. In order to listen to high-resolution audio, you need three things: There are a variety of formats that these compressed files come in: Lossless compression is the only compression that allows the audio files to be Hi-Res or Hi-Fi. Lossless compression doesn’t affect the audio quality, and while it does reduce the file size, it doesn’t make the files as small as lossy compression. Lossy compression ensures the smallest file size but the audio quality suffers because it removes soundwaves from the data. There are two main forms of compression, lossless and lossy. To manage the size of these files, and save storage space usually they are compressed into different formats. These files take up significantly more memory than low-res audio files and for devices with limited storage capacities (like phones) this was an issue. High-resolution audio isn’t new, the reason it didn’t become popular until recently, is because high-resolution audio files are massive. This is a massive upgrade on Hi-Fi CD quality which has a sampling frequency at 44.1kHz/16bit and an even larger upgrade on the popular MP3 format at 44.1kHZ/320kbps. High-resolution audio usually has a sampling frequency at 96kHz/24bit but it can go up to 192kHZ. Which is a complicated way of saying: the higher the sampling frequency and bit depth during conversion, the more accurate the digital sound is to the original recording and the better the quality is. For every 1-bit increase, the quality of the audio file doubles. The second is bit depth, measured in bits, which correlates to the number of bits of information present in each sample. The first is sampling frequency, measured in kHz, and refers to how many times signals or sounds are taken per second during the conversion. This process has two parameters that determine the quality of the final audio file. To get music on a digital platform, sounds recorded in a studio need to go through an analogue to digital conversion process. ![]() It’s better at replicating the quality of sound created when working in a music studio, than CD. High-resolution audio is the highest quality streaming audio you can get. This will only work with Sony headphones, however.ĭeezer does allow you to download your music so you can listen to it offline, and if you’re low on data you can choose low quality audio streaming in order to save bandwidth. Offering over 70 million tracks Deezer has all of the music you would expect in a streaming service and it also offers 360 Reality Audio via the 360 by Deezer app. Only Hi-Fi | NZD$19.49/month | 360 Reality Audioĭeezer doesn’t have a high-resolution tier, but it does offer a very affordable Hi-Fi CD quality subscription costing NZD$19.49/month.
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