quality audio files download High Definition Audio Test Files. This page gives you access to high definition audio test files, with sample rates as high as 192 kHz. Unlike our other sections, these sounds won't play online: higher sample rates are not your browser's best friends, and cannot be encoded in the mp3 format either. Instead, these high definition files will download straight to your disk as uncompressed .wav files. The purpose of these test tones is to offer you a way to assess the quality of your digital audio interface or digital-to-analogue converters, when fed with high-definition sample rates. These rates are able to reproduce frequencies beyond the human hearing range but can generate aliasing in the audible range too. Use the frequency sweep files to determine if what you hear strictly relates to the input file's content, or comes from deficiencies in your high-end digital audio system as well. High Definition Frequency Sweeps. These sweeps start from 1 Hz up to the Nyquist frequency (half the sample rate) in a 30-second time span (linear time sweep), playing at -3dBFS. The test starts by playing frequencies that are in your hearing range, and then they will steadily increase. As the sweep enters ultrasonic range, the sound will fade away. Listen carefully; the rest of the file should remain perfectly silent. If you hear anything while the file sweeps the ultra-sonic range, either you have bat-ears, or - more likely - your digital audio system suffers from severe aliasing. Sample Rate Fmin Fmax time@20kHz File Size 88.2 kHz 1 Hz 44 kHz 13 s 5.2 MB Download 96 kHz 1 Hz 48 kHz 12 s 5.6 MB Download 176.4 kHz 1 Hz 88 kHz 7 s 10.3 MB Download 192 kHz 1 Hz 96 kHz 6 s 11.2 MB Download. High Definition Chirp Tones. Chirp tones are similar to sine sweeps, but span the whole frequency range in a much shorter time: here 0.5 seconds. Each chirp tone plays at -3 dBFS. Use these files to measure frequency responses, or capture room reverberations through the impulse response method. Sample Rate Fmin Fmax File Size Linear Log 88.2 kHz 1 Hz 44 kHz 0.1 MB Download Download 96 kHz 1 Hz 48 kHz 0.1 MB Download Download 176.4 kHz 1 Hz 88 kHz 0.2 MB Download Download 192 kHz 1 Hz 96 kHz 0.2 MB Download Download. High Definition White Noise. White noise is characterized by a flat power spectral density: the signal contains equal power within a fixed bandwidth at any centre frequency. All files are 30-second long, and play at -3 dBFS. Sample Rate Fmin Fmax File Size 88.2 kHz 1 Hz 44 kHz 5.1 MB Download 96 kHz 1 Hz 48 kHz 5.6 MB Download 176.4 kHz 1 Hz 88 kHz 10.3 MB Download 192 kHz 1 Hz 96 kHz 11.2 MB Download. High Definition Pink Noise. Pink noise is characterized by a power spectral density that is inversely proportional to the frequency: each octave carries an equal amount of noise power. All files are 30-second long, and play at -3 dBFS. Sample Rate Fmin Fmax File Size 88.2 kHz 1 Hz 44 kHz 5.1 MB Download 96 kHz 1 Hz 48 kHz 5.6 MB Download 176.4 kHz 1 Hz 88 kHz 10.3 MB Download 192 kHz 1 Hz 96 kHz 11.2 MB Download. Related pages. Internal Links. External Links. (sample rates up to 96kHz) Help Me Help You! Is AudioCheck free? Not for me. Your support keeps this site running . Any donation will be rewarded with • uncompressed .wav files downloads for every test • increased durations and sample rates up to 192 kHz in the Tone Gen section • a feedback/suggestion box on every page. What's Best Audio Format Codec? [Highest Quality 2021] Frequently Asked Questions: Audio Formats and Codecs. Read this F.A.Q. about audio file formats (codecs), and read details below. What is the best audio codec? Audio file formats (file extensions) are: WAV | WAV RF64 | WAV BWF (.wav) FLAC (.flac) AIFF (.aiff, .aif) mp3/MPEG (.mp3) AAC (.m4a) ALAC (.m4a) WavPack (.wv) DSD (.dsf, .dff) DSD DoP (.wav, .flac) MQA (.flac) more. The best audio codec is defined according to your aims: sound quality and size compression ability. Read details below. What is the best audio format for sound quality? Which is the best quality audio format? Best sound-quality audio formats are lossless formats. Read more about audio formats with maximal audio quality. Which is the best sound quality? Sound qualuty have 2 definitions: [objective] distortion level; [subjective] how it sounds - noce or not. At the first sight, subjective definition may not be estimated. But, it wasn't. Both definitions are united by psychoacoustics. Does high res audio sound better? It is matter of audio equipment and played back recording. High resolution give potential abilities to achieve better result for designers of audio equipment and software, What is the best format for music? Music require maximal abilities, that can provide audio formats (codecs). Lossless file formats in high resolution are recommended, as default. But, for portable audio players and mobile phones, high bitrates (256 kbps and higher) are recommended for stereo recording, that compressed by lossy codecs (mp3, AAC). Is WAV better than FLAC? Is FLAC or WAV better? WAV is more flexible format than FLAC. But FLAC has better metadata compatibility with software and hardware. However, FLAC has sampling rate and bit depth limitations. Is FLAC better than mp3? Is FLAC really better than MP3? FLAC provide size compressing of audio information without losses. Thus it provide better sound quality than mp3. Stereo mp3 with high bitrates (256 kbps and higher) almost may not be distinguished with FLAC by sound quality. But mp3 have limited resolution audio (up to 48 kHz / 16 bit) that might not provide advantages of high resolution audio. WAV file have no standard lossless compression ability. But FLAC support audio resolution, that limited 384 kHz / 32 bit. Standard WAV file size is limited 4 Gbytes. It solved via WAV RF64 format using. But this format have compatibility limitations with software and devices. Is WAV better than mp3? Which is better WAV or MP3? WAV is lossless format and keep all auidio information. So it causes lesser distortions than lossy mp3. However, high mp3 bitrates (256 kbps and above) are very close to lossless source file (low distortions) and keep space, that is important for mobile applications. However, mp3 don't support sampling rates above 48 kHz and can't use sound quality abilities of hi-res audio devices. Which lossless audio format is the best? WAV audio format almost is not limited in supported audio resolution. High resolutions codec output consume big hard disk space. And for WAV files with size 4 GB and more WAV/RF64 format was applied. FLAC have no size limitation, but its maximal resolution is 384 kHz / 32 bit in some implementations. DSD files are separate branch, that can provide lesser distortions than PCM ones (WAV, FLAC, AIFF, etc.) in some hardware implementations. In other cases PCM files may sound better than DSD ones. Read more. Is 320 kbps good sound quality? Is 256 kbps AAC is good quality? Yes. Stereo mp3 or AAC 320 kbps is very similar to FLAC and WAV in the same audio resolution (sample rate and bit depth). General recommendation is 256 kbps or higher for stereo mp3 or AAC. If you use AAC in higher resolutions or multichannel audio, higher bitrate may be desirable. General advice: try different bitrates for same original recording(s). If you hear no difference with the original recording, use this bitrate. Which is better mp3 or AAC? Is AAC better than MP3? AAC designers state, that AAC better accommodated psychoacoustical factors, than mp3. So AAC is more recommended. Actually, you can compress original lossless file to mp3 and AAC at different bitrates (256 kbps and above). Compare these files with the original by your ears. If you don't hear difference, use mp3 or AAC, according compatibility of your audio player or software. If you prefer high resolution audio or multichannel recordings, you can use AAC instead mp3. Because last one is limited 48 kHz / 16 bit stereo. Is AAC or aptX better? For Bluetooth aptX/aptX(HD) should provide up to 352/576 kbps, respectively. AAC provides up to 256 kbps. Theoretically, higher bitrate may be more able to bring higher sound quality. However, it may be rather matter your mobile phone and headphones. Test it for yourself. Which Bluetooth audio codec is the best? You can get plenty opinions what Bluetooth audio codec is the best. If you have possibility to listen and compare codecs, do it to get personal opinion. Modern wireless codecs are good and their difference is subtle enough. In common, recommended codecs: aptX, AAC, LDAC, LHDC, LC3. What is the most popular audio format? According to Google statistics (April 2019), it mp3 is the most popular format (among mp3, WAV, FLAC, ALAC, m4a, aac). Second place - m4a, WAV, AAC. ALAC and FLAC in the 3-rd position. m4a is a container for AAC and ALAC. What the best audio file format for iTunes? To maximize sound quality use lossless AIFF and ALAC (*.m4a). Convert similar lossless audio files to mp3 and m4a and compare its sound. Bitrates 256 kbps and above are recommended. What best audio file format for car CD player? If car stereo supports FLAC or WAV files, these files give maximal quality.