successfully confirmed audio is k with sox -r 44100 -t f32 /tmp/transcribed.pcm --default-device

rust-whisper.d/Cargo.lock

@@ -130,6 +130,12 @@ version = "3.14.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7f30e7476521f6f8af1a1c4c0b8cc94f0bee37d91763d0ca2665f299b6cd8aec"
 
+[[package]]
+name = "byteorder"
+version = "1.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1fd0f2584146f6f2ef48085050886acf353beff7305ebd1ae69500e27c67f64b"
+
 [[package]]
 name = "bytes"
 version = "1.5.0"
@@ -713,6 +719,7 @@ checksum = "b9b1a3d5f46d53f4a3478e2be4a5a5ce5108ea58b100dcd139830eae7f79a3a1"
 name = "rust-whisper"
 version = "0.1.0"
 dependencies = [
+ "byteorder",
  "cpal",
  "signal-hook",
  "tokio",

rust-whisper.d/Cargo.toml

@@ -11,3 +11,4 @@ wav = "1"
 tokio = "1.27"
 cpal = "0.15.2"
 signal-hook = "0.3.17"
+byteorder = "1.5.0"

rust-whisper.d/src/main.rs

@@ -2,6 +2,9 @@ use whisper_rs::{WhisperContext, FullParams, SamplingStrategy, WhisperError};
 use cpal::traits::{HostTrait, DeviceTrait, StreamTrait};
 use signal_hook::{iterator::Signals, consts::signal::SIGINT};
 use std::time::{Duration, Instant};
+use std::fs;
+use std::io::Write;
+use byteorder::WriteBytesExt;
 
 fn main() {
    let w = new_whisper(
@@ -59,9 +62,9 @@ fn main() {
                eprintln!("output error: {}", err)
             },
             None,
-         ).unwrap().play().unwrap();
+         ); //.unwrap().play().unwrap();
          let stream = device.build_input_stream(
-            &cfg.into(),
+            &cfg.clone().into(),
             move |data: &[f32], _: &cpal::InputCallbackInfo| {
                data.iter()
                   .map(|x| *x)
@@ -69,7 +72,11 @@ fn main() {
                   .for_each(|x| buffer.push(x));
                if Instant::now() - last > five_seconds {
                   let result = w.transcribe(&buffer).unwrap();
-                  println!("({}) {}", buffer.len(), result);
+                  println!("({} from {:?}) {}", buffer.len(), cfg, result);
+                  let mut f = fs::File::create("/tmp/transcribed.pcm").unwrap();
+                  for i in &buffer {
+                     f.write_f32::<byteorder::LittleEndian>(*i).unwrap();
+                  }
 
                   let retain = buffer.len() - buffer.len() / 10;
                   for i in retain..buffer.len() {