FMTSubChunk {Microsoft.VisualBasic.Data.Wave}

.NET clr documentation

FMTSubChunk

Description

The "fmt " subchunk describes the sound data's format

Declare

            
# namespace Microsoft.VisualBasic.Data.Wave
export class FMTSubChunk extends SubChunk {
   # PCM = 1 (i.e. Linear quantization) Values other than 1 indicate some form of compression.
   audioFormat: wFormatTag;
   # 8 bits = 8, 16 bits = 16, etc.
   BitsPerSample: integer;
   # ```
   #  NumChannels * BitsPerSample / 8
   #  ```
   #  
   #  The number Of bytes For one sample including
   #  all channels. I wonder what happens When
   #  this number isn't an integer?
   BlockAlign: integer;
   # (bytes_per sec) 音频的码率，每秒播放的字节数。
   # 
   # 
 SampleRate * NumChannels * BitsPerSample / 8
   # 
   ByteRate: integer;
   channels: Channels;
   chunkID: string;
   chunkSize: integer;
   # Pulse Code Modulation
   isPCM: boolean;
   # 22.05KHz/44.1kHz/48KHz
   SampleRate: integer;
}

        

.NET clr type reference tree

1. this class extends from SubChunk class: SubChunk
2. use by property member audioFormat: wFormatTag
3. use by property member channels: Channels

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