public class ToneDescriptor extends Object
Tones are described by the high frequency and low frequency, which differ depending on tone types.
SystemCapability.Multimedia#AUDIO| 限定符和类型 | 类 | 说明 |
|---|---|---|
static class |
ToneDescriptor.ToneType |
The ToneType define different dtmf type.
|
| 构造器 | 说明 |
|---|---|
ToneDescriptor(ToneDescriptor.ToneType type) |
A constructor used to create a
ToneDescriptor instance. |
public ToneDescriptor(ToneDescriptor.ToneType type)
ToneDescriptor instance.type - Indicates the tone type, which is defined by ToneDescriptor.ToneType.
Different tone types correspond to different frequencies.