diff --git a/Cargo.lock b/Cargo.lock
index 02e6365..6f5ced0 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -39,9 +39,9 @@ dependencies = [
 
 [[package]]
 name = "byteorder"
-version = "1.3.4"
+version = "1.4.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "08c48aae112d48ed9f069b33538ea9e3e90aa263cfa3d1c24309612b1f7472de"
+checksum = "14c189c53d098945499cdfa7ecc63567cf3886b3332b312a5b4585d8d3a6a610"
 
 [[package]]
 name = "clap"
@@ -124,9 +124,9 @@ checksum = "a246d82be1c9d791c5dfde9a2bd045fc3cbba3fa2b11ad558f27d01712f00569"
 
 [[package]]
 name = "hermit-abi"
-version = "0.1.17"
+version = "0.1.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5aca5565f760fb5b220e499d72710ed156fdb74e631659e99377d9ebfbd13ae8"
+checksum = "322f4de77956e22ed0e5032c359a0f1273f1f7f0d79bfa3b8ffbc730d7fbcc5c"
 dependencies = [
  "libc",
 ]
@@ -139,9 +139,9 @@ checksum = "dd25036021b0de88a0aff6b850051563c6516d0bf53f8638938edbb9de732736"
 
 [[package]]
 name = "libc"
-version = "0.2.81"
+version = "0.2.97"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1482821306169ec4d07f6aca392a4681f66c75c9918aa49641a2595db64053cb"
+checksum = "12b8adadd720df158f4d70dfe7ccc6adb0472d7c55ca83445f6a5ab3e36f8fb6"
 
 [[package]]
 name = "ryu"
@@ -151,15 +151,15 @@ checksum = "71d301d4193d031abdd79ff7e3dd721168a9572ef3fe51a1517aba235bd8f86e"
 
 [[package]]
 name = "serde"
-version = "1.0.118"
+version = "1.0.126"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "06c64263859d87aa2eb554587e2d23183398d617427327cf2b3d0ed8c69e4800"
+checksum = "ec7505abeacaec74ae4778d9d9328fe5a5d04253220a85c4ee022239fc996d03"
 
 [[package]]
 name = "serde_json"
-version = "1.0.61"
+version = "1.0.64"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4fceb2595057b6891a4ee808f70054bd2d12f0e97f1cbb78689b59f676df325a"
+checksum = "799e97dc9fdae36a5c8b8f2cae9ce2ee9fdce2058c57a93e6099d919fd982f79"
 dependencies = [
  "itoa",
  "ryu",
@@ -189,9 +189,9 @@ checksum = "9337591893a19b88d8d87f2cec1e73fad5cdfd10e5a6f349f498ad6ea2ffb1e3"
 
 [[package]]
 name = "uuid"
-version = "0.8.1"
+version = "0.8.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9fde2f6a4bea1d6e007c4ad38c6839fa71cbb63b6dbf5b595aa38dc9b1093c11"
+checksum = "bc5cf98d8186244414c848017f0e2676b3fcb46807f6668a97dfe67359a3c4b7"
 
 [[package]]
 name = "vec_map"
diff --git a/examples/wave-deinter.rs b/examples/wave-deinter.rs
index 767dff1..48350df 100644
--- a/examples/wave-deinter.rs
+++ b/examples/wave-deinter.rs
@@ -8,7 +8,7 @@ use std::io;
 use std::path::Path;
 
 extern crate bwavfile;
-use bwavfile::{Error,WaveReader, ChannelDescriptor, ChannelMask};
+use bwavfile::{Error,WaveReader, WaveWriter, ChannelDescriptor, ChannelMask, WaveFmt, AudioFrameWriter};
 
 #[macro_use]
 extern crate clap;
@@ -44,9 +44,10 @@ fn name_suffix(force_numeric : bool, delim : &str, index: usize, channel_descrip
 }
 
 fn process_file(infile: &str, delim : &str, numeric_channel_names : bool) -> Result<(), Error> {
-    let mut read_wave = WaveReader::open(infile)?;
-    let channel_desc = read_wave.channels()?;
-    
+    let mut input_file = WaveReader::open(infile)?;
+    let channel_desc = input_file.channels()?;
+    let input_format = input_file.format()?;
+
     if channel_desc.len() == 1 {
         println!("Input file in monoaural, exiting.");
         return Ok(());
@@ -56,10 +57,27 @@ fn process_file(infile: &str, delim : &str, numeric_channel_names : bool) -> Res
     let basename = infile_path.file_stem().expect("Unable to extract file basename").to_str().unwrap();
     let output_dir = infile_path.parent().expect("Unable to derive parent directory");
 
+    let ouptut_format = WaveFmt::new_pcm_mono(input_format.sample_rate, input_format.bits_per_sample);
+    let mut input_wave_reader = input_file.audio_frame_reader()?;
+
     for (n, channel) in channel_desc.iter().enumerate() {
         let suffix = name_suffix(numeric_channel_names, delim, n + 1, channel);
-        let outfile_name = output_dir.join(format!("{}{}.wav", basename, suffix)).into_os_string().into_string().unwrap();
+        let outfile_name = output_dir.join(format!("{}{}.wav", basename, suffix))
+            .into_os_string().into_string().unwrap();
+
         println!("Will create file {}", outfile_name);
+
+        let output_file = WaveWriter::create(&outfile_name, ouptut_format).expect("Failed to create new file");
+        
+        let mut output_wave_writer = output_file.audio_frame_writer()?;
+        let mut buffer = input_format.create_frame_buffer();
+
+        while input_wave_reader.read_integer_frame(&mut buffer)? > 0 {
+            output_wave_writer.write_integer_frames(&buffer[n..=n])?;
+        }
+
+        output_wave_writer.end()?;
+        input_wave_reader.locate(0)?;
     }
 
     Ok(())