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jack-record - Online in the Cloud

Run jack-record in OnWorks free hosting provider over Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator

This is the command jack-record that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator

PROGRAM:

NAME


jack-record - JACK Capture Client

SYNOPSIS


jack-record [options] sound-file

OPTIONS


-b : Set the disk buffer size in frames (default=4096). This value must be a power of two.
If the JACK period size at any time exceeds this value the recorder will halt.

-f : Set the file format (default=0x10006). The number is a bitwise-or of two values, the
first describes the file type, the second the data type. The default value of 0x10000 |
0x00006 describes a thirty-two bit floating point WAV file. 0x2 is 16-bit and 0x3 24-bit.

-m : Set the minimal disk transfer size in frames (default=32). This is an optimization
switch.

-n : Set the number of input channels to create (default=2).

-o : Integer offset for port connection pattern (default=0).

-p : A pattern describing the JACK ports to connect to, ie. SuperCollider:out_%d
(default=nil).

-s : Capture to a set of single channel sound files. The sound file name must be a valid
template.

-t : Set a timer to stop the recording after the specified number of seconds (default=-1).

DESCRIPTION


jack-record is a light-weight JACK capture client to write an arbitrary number of channels
to disk. It implements no connection logic, use jack-plumbing(1) instead.

If the default mode a single multiple channel sound file is written. If the -s option is
given a set of single channel sound files are written. In this case the sound file name
must be a valid template, the substring %d is replaced with the channel number counting
from zero.

jack-record will write files in any format supported by libsndfile. The table below shows
the most common file format masks. For other values see the file sndfile.h.

Format Code Description ------ ---- ----------- SF_FORMAT_WAV 0x10000 Microsoft WAV format
SF_FORMAT_AIFF 0x20000 Apple/SGI AIFF format SF_FORMAT_PCM_16 0x00002 Signed 16 bit data
SF_FORMAT_PCM_24 0x00003 Signed 24 bit data SF_FORMAT_PCM_32 0x00004 Signed 32 bit data
SF_FORMAT_FLOAT 0x00006 32 bit float data

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