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. 708-9748
Mfr. Part No.ADAU1701JSTZ
$14.92
Each
units
- - - - - - - LQFP 48 7 x 7 x 1.4mm - 1.4mm 7mm -
RS Stock No. 912-6476
Mfr. Part No.ADAU1701JSTZ
$9.80
Each (In a Tray of 250)
units
- - - - - - - LQFP 48 7 x 7 x 1.4mm - 1.4mm 7mm -
RS Stock No. 491-5675
Mfr. Part No.CS8416-CSZ
$12.52
Each
units
1 - - - - - - SOIC 28 17.9 x 7.5 x 2.3mm - 2.3mm 17.9mm -
RS Stock No. 169-8304
Mfr. Part No.CS8416-CSZ
$10.459
Each (In a Tube of 54)
units
1 - - - - - - SOIC 28 17.9 x 7.5 x 2.3mm - 2.3mm 17.9mm -
RS Stock No. 661-3419
Mfr. Part No.DIR9001PW
$7.15
Each
units
- - - - - - - TSSOP 28 9.7 x 4.4 x 1.15mm - 1.15mm 9.7mm -
RS Stock No. 831-9087
Mfr. Part No.ADAU1450WBCPZ
$13.21
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
$10.76
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. 185-0998
Mfr. Part No.BD3812F-E2
BrandROHM
$3.648
Each (In a Pack of 5)
units
2 - - - - - - SOP 14 8.7 x 4.4 x 1.5mm - 1.5mm 8.7mm -
RS Stock No. 491-5669
Mfr. Part No.CS8406-CSZ
$8.25
Each
units
- - - - - - - SOIC 28 - - 2.3mm 17.9mm -
RS Stock No. 158-1947
Mfr. Part No.ADAU1702JSTZ
$8.81
Each (In a Tray of 250)
units
- - - - - - - LQFP 48 7 x 7 x 1.4mm - 1.4mm 7mm -
RS Stock No. 185-0943
Mfr. Part No.BD3461FS-E2
BrandROHM
$3.375
Each (On a Reel of 2000)
units
6 - - - - - 400kHz SSOP 24 10.35 x 5.4 x 1.8mm - 1.8mm 10.35mm -
RS Stock No. 185-0974
Mfr. Part No.BD3461FS-E2
BrandROHM
$6.085
Each (In a Pack of 2)
units
6 - - - - - 400kHz SSOP 24 10.35 x 5.4 x 1.8mm - 1.8mm 10.35mm -
RS Stock No. 708-9757
Mfr. Part No.ADAU1702JSTZ
$10.21
Each
units
- - - - - - - LQFP 48 7 x 7 x 1.4mm - 1.4mm 7mm -
RS Stock No. 185-0984
Mfr. Part No.BD37033FV-ME2
BrandROHM
$6.215
Each (In a Pack of 2)
units
6 - - - - - 400kHz SSOP 28 10 x 5.6 x 1.15mm - 1.15mm 10mm AEC-Q100
RS Stock No. 185-0947
Mfr. Part No.BD37531FV-E2
BrandROHM
$3.529
Each (On a Reel of 2000)
units
6 - - - - - 400kHz SSOP 28 10 x 5.6 x 1.15mm - 1.15mm 10mm -
RS Stock No. 185-0944
Mfr. Part No.BD34704KS2
BrandROHM
$5.554
Each (In a Tray of 500)
units
8 - - - - - - SQFP 80 14 x 14 x 1.4mm - 1.4mm 14mm -
RS Stock No. 185-0981
Mfr. Part No.BD3491FS-E2
BrandROHM
$2.70
Each (In a Pack of 5)
units
6 - - - - - 400kHz SSOP 32 13.6 x 5.4 x 1.8mm - 1.8mm 13.6mm -
RS Stock No. 759-0213
Mfr. Part No.ADAU1401YSTZ
$17.63
Each
units
6 192kHz 28 x 28 bit - 40ms 8 Channel TDM, I2S, 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
$3.446
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. 159-7751
Mfr. Part No.ADAU1401AWBSTZ
$9.69
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 -
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