Owner's manual
File Option File Directory Storage Media
Create Sound Report Creates a CSV sound report
of all files in the directory and
saves the report there. see
Sound Reports
Creates a CSV sound report of
all files in the root of the storage
media and saves the report
there. see Sound Reports
Rename Changes the name of the direc-
tory.
Changes the volume label of the
storage media.
Empty Trash Available only on TRASH and
FALSETAKES directories. De-
letes the contents of the folder.
Deletes the contents of the
TRASH directory on the storage
media.
Erase/Reformat Formats the storage media.
File Type
The 664 records audio to the industry-standard Broadcast Wave file format. Additionally, the 664 can
record to MP3 format. Recording WAV or MP3 is selectable per media, from the Setup Menu items
RECORDER > Record to CF, and RECORDER > Record to SD. The 664 can write files to both cards
simultaneously.
WAV (Broadcast WAV)
The 664 writes AES-31 Broadcast Wave formatted files. The audio files created by the 664 include
additional information (Metadata) in the file’s header, BEXT (Broadcast Audio Extension) and iXML
data chunks. See Metadata section of Specifications. Software that does not recognize these additional
broadcast wave data chunks will simply ignore them.
MP3
MPEG-1 Layer III is a lossy compression algorithm, often used for music and transcription recording
purposes. The 664 records two-channel MP3 audio files with data rates of 320 kb/s, 192 kb/s, or 128
kb/s.
File Structure
The 664 records polyphonic or monophonic audio files. A polyphonic take consists of one file with
multiple tracks, whereas a monophonic take consists of one file for each track, per take.
A polyphonic take and file name consists of a scene name, take number, and a file extension. For
example, for scene S01, take T01, the polyphonic file name and take name are both S01T01.wav.
scene number
take number
extension
S01T01.WAV
A monophonic take name is the same as a polyphonic take name, however the file name of each
track differs slightly. Each file (track) of a monophonic take is named with the take name, followed
by an underscore character (“_”), followed by the track designator.
scene number
take number
track designator
extension
S01T01_3.WAV
664 User Guide and Technical Information
v. 2.02 Features and specifications are subject to change. Visit www.sounddevices.com for the latest documentation.
36
Digital Audio Recorder