I have a sound file recorded with 24-bit depth. When I select and extract part of it using "Extract part" and use "Save as WAV file" to save this extracted part, I get a 16-bit sound. Is it the expected behavior? Is there a way to instruct Praat to preserve bit depth when saving in WAV format? I'm using Praat's latest version on a machine running Ubuntu 22.04. The same happens when using the same version of Praat on a Windows 10 machine.
a Sound object in Praat doesn't remember the bit depth of the WAV file that it was read from. Sound is represented in Praat's memory as 64-bit floating-point, i.e. with at least 53-bit precision. If you modify a Sound in Praat, this is all done in 64-bit
floating-point, never in 16 or 24 bits.
When saving a Sound to file, you have to choose the bit depth yourself. For 16 bit, choose "Save as WAV file...". For 24 bit, choose "Save as 24-bit WAV file...". For 32 bit, choose "Save as 32-bit WAV file...". For 53+ bits, choose "Save as binary file...".
Best wishes,
Paul
On 15 Mar 2023, at 21:55, Pablo Arantes via groups.io <pabloarantes@...> wrote:
Dear Paul,
I have a sound file recorded with 24-bit depth. When I select and extract part of it using "Extract part" and use "Save as WAV file" to save this extracted part, I get a 16-bit sound. Is it the expected behavior? Is there a way to instruct Praat to preserve
bit depth when saving in WAV format? I'm using Praat's latest version on a machine running Ubuntu 22.04. The same happens when using the same version of Praat on a Windows 10 machine.
Best,
Pablo
_____
Paul Boersma
Professor of Phonetic Sciences
University of Amsterdam Spuistraat 134, room 632 1012VB Amsterdam, The Netherlands http://www.fon.hum.uva.nl/paul/
