Audio Processors

What is Audio Processing?
We use an Audio Processor to help in audio processing, also known as audio signal processing. Audio processing is used to enhance and clean up audio signals before they are transmitted. There are two forms of audio processing.
Analog processing
• Analog converts a sound wave into an electrical signal. The signal looks like a sound wave and is processed with least distortion.
Digital audio processing
• Digital audio processing converts an audio signal into digital form. This is normally a binary code which can be interpreted by computer. Digital alters the sound from a continuous wave to other information meaning the ear hears no difference in the sound.
A simple definition is, an audio processor is a device that controls and changes an audio signal improving the sound.

Applications.
• Storage
• Data compression
• Music information
• Speech processing
• Acoustic detection
• Transmission
• Noise cancellation
• Acoustic fingerprinting
• Sound recognition
• Enhancement

Audio Processors are available in different package types.
• LFCSP – Lead Frame Chip Scale package
• LQFP – Low profile Quad Flat pack package
• SOIC – Small outline integrated circuit
• TQFP – Thin quad flat pack
• TSSOP - Thin shrink small outline package

Audio processors are available with a various Pins, sizes, channels, audio formats and voltages.

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Description Price Number of Channels Maximum Sample Rate Multiplier Size Data Memory Maximum Audio Delay Digital Audio Formats Internal Master Clock Package Type Pin Count Dimensions Double Precision Mode Height Length Automotive Standard
RS stock no. 708-9757
Mfr. Part No.ADAU1702JSTZ
R 75.36
Each
units
- - - - - - - LQFP 48 7 x 7 x 1.4mm - 1.4mm 7mm -
RS stock no. 912-6476
Mfr. Part No.ADAU1701JSTZ
R 102.90
Each (In a Tray of 250)
units
- - - - - - - LQFP 48 7 x 7 x 1.4mm - 1.4mm 7mm -
RS stock no. 759-0213
Mfr. Part No.ADAU1401YSTZ
R 128.93
Each
units
6 192kHz 28 x 28 bit - 40ms I2S, Left Justified, Right Justified, 8 Channel TDM 48kHz LQFP 48 7.2 x 7.2 x 1.45mm Yes 1.45mm 7.2mm -
RS stock no. 158-1947
Mfr. Part No.ADAU1702JSTZ
R 74.037
Each (In a Tray of 250)
units
- - - - - - - LQFP 48 7 x 7 x 1.4mm - 1.4mm 7mm -
RS stock no. 831-9087
Mfr. Part No.ADAU1450WBCPZ
R 86.35
Each
units
48 192kHz - - 800ms I2S, Left Justified, PCM, Right Justified, TDM 147.456MHz LFCSP VQ 72 10.1 x 10.1 x 0.95mm Yes 0.95mm 10.1mm -
RS stock no. 160-9868
Mfr. Part No.ADAU1450WBCPZ
R 84.821
Each (In a Tray of 168)
units
48 192kHz - - 800ms I2S, Left Justified, PCM, Right Justified, TDM 147.456MHz LFCSP VQ 72 10.1 x 10.1 x 0.95mm Yes 0.95mm 10.1mm -
RS stock no. 159-7751
Mfr. Part No.ADAU1401AWBSTZ
R 92.497
Each (In a Tray of 250)
units
8 192kHz 28 x 28 bit 9248B 40ms Left Justified, Right Justified, 8 Channel TDM, 16 to 24 bit I2S 48kHz LQFP 48 7.2 x 7.2 x 1.45mm Yes 1.45mm 7.2mm -
RS stock no. 759-2705
Mfr. Part No.ADAU1401AWBSTZ
R 138.85
Each
units
8 192kHz 28 x 28 bit 9248B 40ms Left Justified, Right Justified, 8 Channel TDM, 16 to 24 bit I2S 48kHz LQFP 48 7.2 x 7.2 x 1.45mm Yes 1.45mm 7.2mm -
RS stock no. 708-9748
Mfr. Part No.ADAU1701JSTZ
R 183.69
Each
units
- - - - - - - LQFP 48 7 x 7 x 1.4mm - 1.4mm 7mm -