Questions tagged [spdif]
The spdif tag has no usage guidance.
22
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How long is the S/PDIF preamble?
I have a simple S/PDIF protocol question that I can't find the answer to anywhere. I'm trying to understand the protocol, and everywhere I look says the same thing: The length of a preamble pattern is ...
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Sample Rate Converter
I'm a novice when it comes to digital audio. What's the best way to convert 48 kHz I2S to 44.1 kHz? I have found the Texas Instruments SRC4392 but I do not believe that it will work for this ...
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S/PDIF standard sample rate and channel status bits
I am planning to create a S/PDIF output stream for a digital audio device, but there is some ambiguity on the standard and how it is used. I would like to have the confusion cleared up.
To start, ...
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Can I connect S/PDIF line from TOSLINK to coax?
Since the original analog audio in my device (MiSTerfpga) is bad, I'm using an external TOSLINK-to-RCA-stereo DAC. Now I'd like to merge this setup into the device. I'd like to know if wiring the S/...
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SPDIF to CMOS logic
I am trying to get around my head on the three questions below.
Is SPDIF protocol is really driving 0.5 V pk-pk without having any DC offset?
If yes, HDMI1.4 mentions ARC protocol which is adhered ...
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non-trademarked name for Toslink connector?
My PC motherboard has header pins for a SPDIF output and I want to an optical SPDIF transmitter.
When I search any of the main electronic stores for optical SPDIF transmitter I dont get any good hits, ...
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Triggering a relay with S/PDIF?
I would like to use my audio interface to trigger a mains relay, as soon as the audio interface is turned on. Unfortunately, the interface turns on electronically, as opposed to using a mechanical ...
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Audio: what do I need to do to get SPDIF data to a speaker?
I'm working on a speaker project where I'd like to use a microcontroller's SPDIF output (aka IEC 60958) to drive audio data to a speaker.
I've' been doing research on the topic, and I'm having trouble ...
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S/PDIF: TTL to Coax Converter
I'm working on converting TTL S/PDIF to Coaxial level (0.5Vpp). I have implemented the following circuit using a Toshiba TC7W04, which is a 74HC04-type inverter:
But it does not appear to work in ...
- 515
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SMB Connector Grounding for S/PDIF Coax
I'm transmitting coax level S/PDIF over an SMB connector, and I'm wondering if the "body" pins (all pins that aren't the center) should be left floating, or if they should be connected to ground.
As ...
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Splitting Coaxial S/PDIF
I'm looking to output a single S/PDIF output from a BC127 to a coaxial output as well as a WM8804 S/PDIF transceiver at the same time. So far, it doesn't appear that this works, but there could be ...
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Logic inverter feedback resistor, SPDIF Input/Ouput circuit
What purpose of these resistors? Spdif level about 0.5Vpp. Do I need use feedback resistor if I will convert 3.3V SPDIF to 5V?
I want to make 4-way SPDIF Input/Output for WM8805 I2S<>SPDIF ...
- 11
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WM8804 audio routing question
The WM8804 looks like the ideal candidate for a design I'm working on --- this single chip could replace the need for one receiver and one transmitter. The specific routing requirements are:
I need ...
- 2,049
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XO selection for 44.1kHz audio
I'm implementing a WM8804 S/PDIF transmitter in a project I'm working on. The datasheet states that clocks from 10MHz - 27MHz are supported.
What crystal oscillator frequency should I look for in ...
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I2S MCLK Generation
I'm working with a Sierra Wireless BC127 (Bluetooth Module) I2S master which is generating Left-Justified, 16 bps @ 44.1khz sample rate. The Bit clock is set to 2.822 Mhz.
I want to use a Cirrus ...
- 515
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Coaxial S/PDIF input circuit
Can someone shed some light on the rationale for the SPDIF coaxial input circuits in: (1) the DIR9001 evaluation board (see schematics, page 7), and (2) in this Application Note from ST (see Figure 10 ...
- 2,049
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439
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S/PDIF over mini TRS jack
I am designing a small digital synthesizer. Because of space constrictions, I can only use 3.5mm TRS connectors. RCA is already too big.
If possible, I'd like to include not only an analog output, ...
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How to convert a CD player's coax diigital output to a Toslink?
My question is essentially the same as this one, except my signal flow is in the opposite direction: Connecting an optical transmitter to a S/PDIF coaxial output
I'm not sure of the optical ...
user160409
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S/PDIF to TTL converter
This is how S/PDIF to TTL converter usually looks like. I simulated poor quality smoothed out signal with a sine wave.
Can comeone explain how it really works? Inverter with feedback resistor ...
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Connecting Toslink TORX179L optical receiver directly to S/PDIF coaxial input
My goal is to convert optical audio signal - Toslink - to S/PDIF coaxial input signal. The frequency is up to 96 KHz. I'm thinking about Toshiba TORX179L optical receiver. According to the datasheet, ...
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Does any RCA connector work for S/PDIF interface?
I'd like to work with this chip : http://www.cirrus.com/cn/pubs/proDatasheet/WM8804_v4.5.pdf
The S/PDIF Input mentioned in the datasheet states that the input impedance is 75Ohm. So I think that it ...
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Encoder/decoder for serial connection without separate clock?
I'm putting together a link where the physical layer is SPDIF transmitters and receivers. I control both sides of the link (ie it doesn't have to interoperate with any other equipment). I would like ...
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