• Reduce Sample Rate Audacity For Mac Download

Whenever possible, Audacity will export with the 'Project Rate' (lower left corner of the main Audacity window) as the sample rate. For uncompressed file types, such as WAV and AIFF, the bit rate is simply the number of samples per second (the sample rate) times the number of bits per sample (the sample format) times the number of audio channels. Jul 25, 2016 - If you've ever wanted to reduce the size of an audio file but weren't. Thought Of Many people use Audacity for podcasts or music mixing, but that's not all it's good for. But if you reduce the bit depth too much, sound data gets lost. ALAC vs FLAC: The Best for Listening to Lossless Music on Mac and iOS. In Audacity, check the sample rate being used. It is displayed at the bottom left of the Audacity program window, labeled as 'Project Rate (Hz)'. 44100 Hz and 48000 Hz are the two most commonly used sample rates and supported by most sound cards.

Resampling to decrease audio file size To deposit audio files in PARADISEC, we request that you record your audio at the highest sampling rate and bitrate possible (see: Recording standards and best practices guide for more information). These files can be large and difficult to work with.

An easy solution is to create a smaller, working-version of the file, remembering to retain your high quality file for archiving. Load your audio file in Audacity. Note the areas where you can see sampling rate information. The rate of your file is located in the grey area to the left of the waveform.

Reduce Sample Rate Audacity For Mac Download

The project sampling rate is located in the lower left-hand corner (Project Rate (Hz)). To change the rate of your file, you need to select the Tracks menu and scroll down to Resample (If you were to change the rate by altering the project sampling rate below, it would merely change the rate Audacity plays the file, not the file’s actual sample rate).

Once you select Resample you get to choose the new rate. I would suggest 44100, as most players have no difficulty playing this rate. Then click OK. Once your file has been down-sampled, you need to change the project’s sampling rate, otherwise you get an error message that the two rates do not match.

Just use the drop –down menu under the Project Rate and select 44100. Now that you have changed the sampling rate, the next step is to change the 24 bit rate to a lower rate. To do this, you go to the drop down menu within the track window, go to Set Sample Format and select 16-bit float. Once both sampling and bit rates have been altered to match, play your audio.

If you are satisfied, then you can save the new file. Under the File menu, select Export audio and rename your file so that you can easily keep track of the new, down-sampled version.

These new sampling and bit rates are essentially CD quality settings. Once you export your new file, you can see that it is less than half the size of the original. Resampling to increase your lower-sampled files to the archival formats of 96 kHz, 24 bit or 48 kHz, 24 bit If you have recordings that you collected at a lower sample-rate, you can re-sample those to create the formats that we can archive with PARADISEC. This process does not change the quality of the file. However, we request this be done to help futureproof PARADISEC.

It will be necessary at some point in the future to migrate all files archived in PARADISEC to new technologies. If all files have the same rates, this process can be easily managed in batch processes. Consistency and standardization will be key in moving the archive toward new technologies as needed. Simply follow the same steps for down-sampling, selecting the higher sampling rate of 96kHz or 48 kHz and bit-rate of 24.