diff --git a/common_audio/wav_file.cc b/common_audio/wav_file.cc
index e49126f139..127c9c0757 100644
--- a/common_audio/wav_file.cc
+++ b/common_audio/wav_file.cc
@@ -65,7 +65,7 @@ constexpr size_t kMaxChunksize = 4096;
 
 }  // namespace
 
-WavReader::WavReader(const std::string& filename)
+WavReader::WavReader(absl::string_view filename)
     : WavReader(FileWrapper::OpenReadOnly(filename)) {}
 
 WavReader::WavReader(FileWrapper file) : file_(std::move(file)) {
@@ -178,7 +178,7 @@ void WavReader::Close() {
   file_.Close();
 }
 
-WavWriter::WavWriter(const std::string& filename,
+WavWriter::WavWriter(absl::string_view filename,
                      int sample_rate,
                      size_t num_channels,
                      SampleFormat sample_format)
diff --git a/common_audio/wav_file.h b/common_audio/wav_file.h
index dda611be6a..72a4db79c2 100644
--- a/common_audio/wav_file.h
+++ b/common_audio/wav_file.h
@@ -39,7 +39,7 @@ class WavFile {
 class WavWriter final : public WavFile {
  public:
   // Opens a new WAV file for writing.
-  WavWriter(const std::string& filename,
+  WavWriter(absl::string_view filename,
             int sample_rate,
             size_t num_channels,
             SampleFormat sample_format = SampleFormat::kInt16);
@@ -77,7 +77,7 @@ class WavWriter final : public WavFile {
 class WavReader final : public WavFile {
  public:
   // Opens an existing WAV file for reading.
-  explicit WavReader(const std::string& filename);
+  explicit WavReader(absl::string_view filename);
   explicit WavReader(FileWrapper file);
 
   // Close the WAV file.