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. 185-0947
Mfr. Part No.BD37531FV-E2
BrandROHM
$7.263
Each (On a Reel of 2000)
units
6 - - - - - 400kHz SSOP 28 10 x 5.6 x 1.15mm - 1.15mm 10mm -
RS Stock No. 185-0992
Mfr. Part No.BD37533FV-E2
BrandROHM
$7.01
Each (In a Pack of 2)
units
6 - - - - - 400kHz SSOP 28 10 x 5.6 x 1.15mm - 1.15mm 10mm -
RS Stock No. 708-9757
Mfr. Part No.ADAU1702JSTZ
$12.67
Each
units
- - - - - - - LQFP 48 7 x 7 x 1.4mm - 1.4mm 7mm -
RS Stock No. 491-5669
Mfr. Part No.CS8406-CSZ
$9.31
Each
units
- - - - - - - SOIC 28 - - 2.3mm 17.9mm -
RS Stock No. 159-7751
Mfr. Part No.ADAU1401AWBSTZ
$9.89
Each (In a Tray of 250)
units
8 192kHz 28 x 28 bit 9248B 40ms 16 to 24 bit I2S, 8 Channel TDM, Left Justified, Right Justified 48kHz LQFP 48 7.2 x 7.2 x 1.45mm Yes 1.45mm 7.2mm -
RS Stock No. 185-0946
Mfr. Part No.BD37033FV-ME2
BrandROHM
$7.063
Each (On a Reel of 2000)
units
6 - - - - - 400kHz SSOP 28 10 x 5.6 x 1.15mm - 1.15mm 10mm AEC-Q100
RS Stock No. 185-0945
Mfr. Part No.BD3491FS-E2
BrandROHM
$1.65
Each (On a Reel of 2000)
units
6 - - - - - 400kHz SSOP 32 13.6 x 5.4 x 1.8mm - 1.8mm 13.6mm -
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