Why do mp3 have sample rate so Id have to double check the exact specifics. Lord Of The Flies Activity Booklet Set on this page. How to check Wave file sampling rate Bit depth I am trouble shooting a problem where I start a project with 9624. At some point recording audio from hardware. The cue point cue chunk identifies some significant sample numbers in the wave file. Since the sampling rate of a WAV file can vary from 1 Hz to 4. GHz. Sample Rates. From Audacity Wiki. Sample Rate is the number of samples of audio carried. How to Check the Real Bitrate of Audio Files 1. Steps. 1Understand the bit rate and its affection on the audio quality. Though audio quality depends on many elements such as frequency, compressing method, up scaled, etc., but for almost audio files downloaded on the Internet that have not been up scaled, if the bit rate is high 1. If the bit rate is low, you may hear it blurring, noisy and unclear. Understand that the bitrate tag of audio files may not tell the true bitrate. It is easy to convert a low quality 6. MP3 file into a so called high quality 5. M4. A file. This action is called upscaling. After upscaling, the audio quality is still not improved and it may be worse. After you understood these two facts above, know that the audio spectrum can tell you about the real quality and bitrate of an audio file. The spectrum or chart is a graph which shows the frequency in k. Hz and the loudness in d. B. Many free programs such as Spek can help you build the audio chartspectrum. Import an audio file in a spectrum analyzing program. Observe the graph. Notice the cut offs. The position of cut offs can tell you the bitrate of the file. Cut off is the line put at where the graph cannot reach higher. For example, an 1. Hz. Note The red line in the image below is not existed when you use an audio spectrum analyzer. These following are spectrums of some popular bitrate and its cut offs MP3 file, Bitrate 6. Cut off at 1. 1k. Hz. MP3 file, Bitrate 1. Cut off at 1. 6 k. Hz. MP3 file, Bitrate 1. Cut off at 1. 9 k. Hz. MP3 file, Bitrate 3. Example Wav FileCut off at 2. Hz. M4. A file, Bitrate 5. Cut off at 2. 2 k. Hz. FLAC file, Lossless quality Bitrate usually 1. Graphs drawn continuously, no cut off. This is an example of an upscaled audio file. Its bitrate tag reads 3.