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. 661-3419
Mfr. Part No.DIR9001PW
HK$38.02
Each
units
- - - - - - - TSSOP 28 9.7 x 4.4 x 1.15mm - 1.15mm 9.7mm -
RS Stock No. 185-0998
Mfr. Part No.BD3812F-E2
BrandROHM
HK$19.566
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. 159-7751
Mfr. Part No.ADAU1401AWBSTZ
HK$55.36
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. 708-9757
Mfr. Part No.ADAU1702JSTZ
HK$65.27
Each
units
- - - - - - - LQFP 48 7 x 7 x 1.4mm - 1.4mm 7mm -
RS Stock No. 185-0974
Mfr. Part No.BD3461FS-E2
BrandROHM
HK$32.655
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. 831-9087
Mfr. Part No.ADAU1450WBCPZ
HK$84.24
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. 185-0977
Mfr. Part No.BD34704KS2
BrandROHM
HK$53.68
Each
units
8 - - - - - - SQFP 80 14 x 14 x 1.4mm - 1.4mm 14mm -
RS Stock No. 169-8304
Mfr. Part No.CS8416-CSZ
HK$59.746
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. 708-9748
Mfr. Part No.ADAU1701JSTZ
HK$78.69
Each
units
- - - - - - - LQFP 48 7 x 7 x 1.4mm - 1.4mm 7mm -
RS Stock No. 185-0945
Mfr. Part No.BD3491FS-E2
BrandROHM
HK$8.64
Each (On a Reel of 2000)
units
6 - - - - - 400kHz SSOP 32 13.6 x 5.4 x 1.8mm - 1.8mm 13.6mm -
RS Stock No. 185-0992
Mfr. Part No.BD37533FV-E2
BrandROHM
HK$37.61
Each (In a Pack of 2)
units
6 - - - - - 400kHz SSOP 28 10 x 5.6 x 1.15mm - 1.15mm 10mm -
RS Stock No. 185-0981
Mfr. Part No.BD3491FS-E2
BrandROHM
HK$14.484
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. 185-0988
Mfr. Part No.BD37531FV-E2
BrandROHM
HK$34.24
Each (In a Pack of 2)
units
6 - - - - - 400kHz SSOP 28 10 x 5.6 x 1.15mm - 1.15mm 10mm -
RS Stock No. 185-0984
Mfr. Part No.BD37033FV-ME2
BrandROHM
HK$33.35
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. 912-6476
Mfr. Part No.ADAU1701JSTZ
HK$61.78
Each (In a Tray of 250)
units
- - - - - - - LQFP 48 7 x 7 x 1.4mm - 1.4mm 7mm -
RS Stock No. 185-0946
Mfr. Part No.BD37033FV-ME2
BrandROHM
HK$19.84
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. 491-5675
Mfr. Part No.CS8416-CSZ
HK$65.25
Each
units
1 - - - - - - SOIC 28 17.9 x 7.5 x 2.3mm - 2.3mm 17.9mm -
RS Stock No. 185-0949
Mfr. Part No.BD3812F-E2
BrandROHM
HK$11.667
Each (On a Reel of 2500)
units
2 - - - - - - SOP 14 8.7 x 4.4 x 1.5mm - 1.5mm 8.7mm -
RS Stock No. 185-0944
Mfr. Part No.BD34704KS2
BrandROHM
HK$31.947
Each (In a Tray of 500)
units
8 - - - - - - SQFP 80 14 x 14 x 1.4mm - 1.4mm 14mm -
RS Stock No. 160-9868
Mfr. Part No.ADAU1450WBCPZ
HK$66.526
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 -
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