Re: Grabar Audio De Youtube Con Audacity
Joao Charlesbois
Hello all, I am ripping vinyl records into FLAC and I would like to have the vinyl records recorded on 24 bits/96khz. I have installed audacity with ASIO support and I have an external soundcard (Focusrite Scarlett 2i2, latest drivers installed) which supports 24/96 samples and which I have connected to my computer via USB. I have set up audacity to use this soundcard as the recording device.
I downloaded the MediaInfo and I have run a test. I recorded three different WAVs by setting a different host interface from the device tab. One with ASIO, one with MME and one with Window Direct Sound (for all these three I selected the Focusrite Scarlett as the recording device). I opened these files with MediaInfo and is shows the stream as 16 bits for all of them. Any idea what I need to do in order to get the 24 bits stream?
I downloaded the MediaInfo and I have run a test. I recorded three different WAVs by setting a different host interface from the device tab. One with ASIO, one with MME and one with Window Direct Sound (for all these three I selected the Focusrite Scarlett as the recording device). I opened these files with MediaInfo and is shows the stream as 16 bits for all of them.
The audio stream captured from our USB 2.0 hardware is always 24-bit samples. These samples are not altered or processed in any way by the driver when recording via the ASIO driver. Windows audio control panel may say the device is in 16 bit mode, but the ASIO driver bypasses the Windows audio system, and is therefore not affected by this setting.
From the above statement I understand that by using the ASIO with the Focusrite soundcard, and if I set the correct sample rate in the Quality tab, then my audio is always 24 bits. Can someone confirm that this is correct?
Panos
If I export it to 24 bits then I loose information (since Audacity removes a few bits and therefore removes some information). But since my soundcard is able to generate 24 bits stream then it
That part is largely irrelevant for Audacity.
Audacity is not a DAW, and does not do real time processing or virtual instruments, so low latency has no benefits for Audacity. There may be a slight advantage when recording projects that have a very large number of tracks, but in most cases the performance of WDM drivers should be more than up to the job.
If you use ASIO on Windows and you set Audacity to record in 24 bit or 32 bit float (the latter is recommended), then Audacity should capture the exact audio stream. However, we cannot guarantee what a modified version of Audacity will do as we have no way of knowing how it has been modified - we do know that there are modified versions of Audacity circulated on the Internet that contain viruses and other malware, and there is nothing we can do about that other than strongly recommend that people use the official version. In other words, using a version that has been modified by someone else is entirely at your own risk.
I have a question about that. Why does Export action keeps saving the audio on a 16 bits basis from a source file recorded on 24 bits while the default is yet set at 32-bit float ? Why Export does not use the default settings from Preferences ?
i am trying to use my Zoom H6 as an audio interface to record directly into audacity. i am connecting the computer and zoom with USB, going to the menu and selecting Audio Interface, and either Stereo Mix or Multi track after that, I have tried both.
With portable recorders (such as the H6), one of the big advantages are that they produce none of the fan noise that is common from (most) computers. Also, many computers have built-in card readers (or USB card readers may be purchased very cheaply), so the other option is to record from the device in stand-alone mode, then read the files off the flash card into the computer for editing.
Si deseas grabar audio en tu PC o Mac, la mayora de las personas elige Sound Recorder en PC o Voice Memos en Mac. Pero a pesar de lo tiles que pueden ser estas herramientas, que te permiten usar el micrfono para grabar audio, carecen de las funciones necesarias para facilitar la grabacin y edicin de audio avanzadas.
Entonces, cuando la mayora de la gente quiere grabar y editar audio de alta calidad en sus computadoras, su primer pensamiento es Audacity. Esta grabadora de audio de cdigo abierto es una solucin para la mayora de las personas, especialmente porque es de uso completamente gratuito. Pero a la mayora de las personas les resulta difcil de usar, con una interfaz que es voluminosa y no muy fcil de entender. En esta gua, compartiremos con usted cmo grabar el escritorio con Audacity en unos simples pasos. Los procesos que compartimos aqu lo ayudarn a grabar fcilmente audio de cualquier duracin, incluso si nunca antes ha usado Audacity.
Para grabar audio en tu PC usando Audacity, instala el programa en tu computadora (est disponible de forma gratuita) y luego asegrese de que el micrfono interno de la computadora est funcionando (tambin puedes usar un micrfono externo). One Audacity est instalado en su dispositivo, siga estos pasos;
Paso 2: Aparecer un men desplegable que te mostrar todos los dispositivos de grabacin disponibles en su computadora. Selecciona el micrfono que te gustara usar para la grabacin. Si no ve el micrfono, asegrate de que est correctamente conectado a la computadora y encendido.
Paso 3: Haz clic en "Tracksat" en la parte superior de la pantalla y luego selecciona "Agregar nuevo" para elegir el tipo de pista que deseas. Para la mayora de los proyectos simples, simplemente puedes elegir entre "Mono" o "Estreo".
Paso 4: Ahora simplemente haz clic en el botn "Grabar" para iniciar la grabacin. Debera ver aparecer un grfico de audio de voz tan pronto como presione grabar. Si lo desea, puede agregar una nueva grabacin usando las teclas de acceso rpido "Shift + R" en su teclado.
Paso 2: En "Dispositivo de grabacin", elije los altavoces y auriculares predeterminados del sistema. Es posible que tambin debes hacer clic en la opcin denominada "Loopback". Esta opcin puede variar dependiendo del tipo de tarjeta de sonido que tengas en tu PC.
Para grabar audio en su Mac usando Audacity, es posible que debas instalar el programa y complementos adicionales. El mejor para usar es un programa conocido como Soundflower, un programa que te permitir enrutar el sonido a otras aplicaciones en lugar de a los altavoces predeterminados. As es como puedes grabar audio en Mac usando una combinacin de Audacity y Soundflower;
Paso 2: El siguiente paso es configurar la aplicacin Soundflower. Para hacer eso, haga clic en "Preferencias del sistema" y luego selecciona "Sonidos". Haz clic en la pestaa Salida y luego configure el dispositivo para el sonido de salida como "Soundflower (2ch)". Luego abre la aplicacin Soundflower y cuando veas el cono de la flor en la barra de men, haz clic en l y configura "Soundflower 2ch" como la salida integrada.
Paso 3: Ahora abre las preferencias de Audacity y luego, en la seccin "Dispositivo", elije "Soundflower (2 canales)". En la seccin de grabacin, elije "Reproduccin de software". Haz clic en "Aceptar" para guardar las preferencias seleccionadas.
Audacity es una excelente forma gratuita de grabar audio en su computadora, pero puede ser complicado de usar, especialmente si nunca lo ha usado antes. Si deseas una forma mucho ms sencilla de capturar audio y video en su PC o Mac, Wondershare DemoCreator es una gran eleccin. No solo es muy fcil de usar, tambin es una de las mejores formas de capturar un sonido claro y ntido desde el micrfono o incluso los sonidos del sistema.
Audacity es una de las herramientas de grabacin de audio ms populares del mercado. Se puede descargar completamente gratis, pero a la mayora de las personas les resulta bastante difcil de usar. Si tienes problemas para usar Audacity, simplemente sigue los pasos anteriores para utilizar la mejor grabadora de audio para usted y tus proyectos.
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as far as I know the PDM sample rate is somewhere in the 1 to 4 MHz area. So is here meant the PCM-sample-rate? 16kHz is a common rate for PCM so this would make sense... but then it's very confusing that this is called "PDM.begin" but there comes out a PCM signal...
b) When using the example which is provided by the arduino IDE (File -> Examples -> PDM -> PDMSerialPlotter) there should then be 16000 16 bit samples per second (?). But I only see about 600... What am I not understanding here?
c) If log this output and want to import it to audacity as 16bit signed with 16kHz I don't get any usable sound. But this audacity thing is at the moment not that important... I think the problem is somewhere before.
I guess the Serial.print takes too much time so you end up missing/dropping a lot of samples each time you call it. Try changing the code so you accumulate samples in a buffer (array) and then print the whole buffer in one single Serial.print when you are done collecting samples (whenyou have either reached a timeout or the size of the buffer).
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