Package com.tino1b2be.dtmf

Enum Class ChannelMode

java.lang.Object

java.lang.Enum<ChannelMode>

com.tino1b2be.dtmf.ChannelMode

All Implemented Interfaces:

Serializable, Comparable<ChannelMode>, Constable

public enum ChannelMode
extends Enum<ChannelMode>

How an incoming sample array should be interpreted as one or more audio channels for DTMF detection.

The three cases directly correspond to Requirement 13.1 and drive the branch in DtmfDetector / DtmfDecoder that selects between a single-pipeline and dual-pipeline analysis topology:

• MONO — treat the sample array as a single channel; emitted tones carry channel = 0.
• STEREO_INDEPENDENT — treat the sample array as interleaved left/right PCM, decode each channel independently, and tag emissions with channel = 0 (left, even indices) or channel = 1 (right, odd indices).
• STEREO_DOWNMIX — average adjacent left/right samples into a single mono stream before detection; emitted tones carry channel = 0.

Used as the channelMode value of DtmfConfig.

Since:

2.0.0

Nested Class Summary

Nested classes/interfaces inherited from class java.lang.Enum

Enum.EnumDesc<E extends Enum<E>>

Enum Constant Summary

Enum Constants

Enum Constant	Description
MONO	Single-channel input; all emitted tones carry channel = 0.
STEREO_DOWNMIX	Interleaved stereo input averaged into a single mono stream before detection.
STEREO_INDEPENDENT	Interleaved stereo input decoded as two independent channels.

Method Summary

Modifier and Type	Method	Description
static ChannelMode	valueOf(String name)	Returns the enum constant of this class with the specified name.
static ChannelMode[]	values()	Returns an array containing the constants of this enum class, in the order they are declared.

Methods inherited from class java.lang.Enum

clone, compareTo, describeConstable, equals, finalize, getDeclaringClass, hashCode, name, ordinal, toString, valueOf

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Enum Constant Details

MONO

public static final ChannelMode MONO

Single-channel input; all emitted tones carry channel = 0.

STEREO_INDEPENDENT

public static final ChannelMode STEREO_INDEPENDENT

Interleaved stereo input decoded as two independent channels. Emitted tones carry channel = 0 for the left channel (even sample indices) and channel = 1 for the right channel (odd sample indices).

STEREO_DOWNMIX

public static final ChannelMode STEREO_DOWNMIX

Interleaved stereo input averaged into a single mono stream before detection. Emitted tones carry channel = 0.

Method Details

values

public static ChannelMode[] values()

Returns an array containing the constants of this enum class, in the order they are declared.

Returns:

an array containing the constants of this enum class, in the order they are declared

valueOf

public static ChannelMode valueOf(String name)

Returns the enum constant of this class with the specified name. The string must match exactly an identifier used to declare an enum constant in this class. (Extraneous whitespace characters are not permitted.)

Parameters:

name - the name of the enum constant to be returned.

Returns:

the enum constant with the specified name

Throws:

IllegalArgumentException - if this enum class has no constant with the specified name

NullPointerException - if the argument is null