audio

  1. Finding specifications for digital signal processors (DSPs) for given audio application

  2. Audio wave amplitude decreased after FIR filter
  3. How to change x-axis from samples to time?
  4. Is there a program to extract features from an audio signal?
  5. Bandpass filtering an audio signal with MATLAB's $\tt kaiserord$: unknown new frequency component
  6. How to convert dB back to manitude and then to rectangular format
  7. Are there any realtime voice activity detection (VAD) implementations available?

  8. Distribution of energy in frequency bands
  9. unsigned audio formats, does DC offset matter?
  10. How to make sense of audio file's $\textrm{dBFS}$?
  11. How to change speed of audio samples without changing pitch?

  12. MFCC delta: How to compute delta, in real time, with no future frames?
  13. The effects of splitting a line-out audio signal

  14. Which parameters should I take care of while converting .au to .wav for Genre Classification

  15. Analyze audio file and plot his waveform

  16. Interpreting dataset of a power spectrum

  17. Transmit data through sound between 2 computers (very close distance)

  18. Self studying, getting a quality spectrogram
  19. Verification of all steps needed to extract MFCCs from raw audio data
  20. I want to know if there is a practical way to find out if multipath propagation is significant for audio in a given environment?

  21. What are the differences in overtones for hard vs soft materials?
  22. Dynamic Time Warp through SPTK tool
  23. Applying DTW on MFCC frames

  24. How to detect and remove ringback-tone and ivrs voice etc from the beginning of an audio call recording

  25. Max Output Voltage preamplifier

  26. can MFCC coefficients alone be used to do voice detection?
  27. What is the physical significance of the Fourier coefficients in the DFT of audio signals and how can they be best displayed in a spectrogram?
  28. Are there any signal processing libraries that implement TD-PSOLA?

  29. Standard Method for Multiband Compression

  30. How audio watermarks are captured

  31. Demodulating FSK audio in Python
  32. audio for VOIP - filter and resample or viceversa?
  33. What type of FFT is used on the modulator in this vocoder implementation?

  34. What are best practices to compute an audio spectrogram?

  35. Remove a known wav file from recorded file

  36. Content of PESQ over time buffer
  37. Speaker diarization tool for acoustic analysis

  38. Detect human speech in realtime audio on mobile phones
  39. Wav file scale factor
  40. Web Audio convolver to detect power and phase of a known but noisy signal?
  41. Making audio clips comparable in terms of RMS

  42. Extract same in phase signal from 3 different sources with shared delayed noise?
  43. File size adjustment using FFT
  44. Alias frequency Formula

  45. Does one ever store audio in mp3s with one channel being inverted?

  46. From MFCC to Machine learning. What are the steps?
  47. Measuring audio Signal Similarities
  48. Help me interpret unwrapped phase information from music files

  49. Interpreting microphone output signal

  50. Converting audio file from WAV to MP3 changes file duration. Why?
  51. How do I implement cross-correlation to prove two audio files are similar?

  52. Feature extraction for sound classification

  53. When does the laugh track kick in?

  54. Measuring vibrato rate of a sung note

  55. Digital 16-bit PCM audio signal scaling and STFT spectogram amplitude
  56. Room Impulse Response Inverse Problem
  57. Relation between samplingrate and frequency
  58. Approach to identify someone knocking on a door - preferably not using a neural network
  59. How to change x-axis from samples/frames to time?

  60. Computing real signal with minimum absolute values from even magnitude spectrum

  61. Audio DSP HW Recommendation

  62. Mathematical question that comes out of using bilinear transform

  63. How to label sound events in noisy .wav files
  64. Count the number of times the phone rings before its answered

  65. Creating a Phantom Sound through 5.1.2 Speaker Configuration

  66. Visualizing audio FFT - LEDs

  67. Complex conjugate and IFFT

  68. How can i insert message bits into the frequency spectrum of an audio signal using matlab?

  69. Understanding LPC for Formant Estimation
  70. How can a changing signal be Fourier transformed?
  71. Confusion related to Room Impulse Response equation in a research paper

  72. Best beginner DSP book for developing plugins

  73. Remove audible click sound from high frequency hopped sound
  74. FFT frequency question
  75. Calculating the inverse filter for the (exponential) sine sweep Method

  76. Is magnitude information enough to reconstruct an audio signal
  77. Synchronizing 2 seperate speech audio signals

  78. Synchronization of two audio tracks via Mel-frequency cepstral coefficients (MFCCs)
  79. How to deal with audio with different length in Audio Classification
  80. Analysing mp3 quality with spectrum, how to interpret the results?
  81. How to detect continuous noise in audio call?

  82. Smoothing a Signal which contain White Noise

  83. Converting Google's text-to-speech voice to, say, Justin Bieber's voice

  84. What is the amplitude range of a spectrogram?

  85. Finding good feedback coefficients for basic reverb

  86. Q format for the calculation of second order statistics (power, correlation etc) in fixed point DSP
  87. How to change volume of a PCM 16 bit signed audio?
  88. Frame overlapping

  89. What is the relationship between a digital audio signal and sound pressure level?

  90. How to remove 50 Hz frequency noise from a PCM file?

  91. Are there equations for placing sounds in the stereo field using delays?
  92. Isolate in-phase signal
  93. Normalizing audio waveforms code implementation (Peak, RMS)

  94. Phase distortion of frequency warping by using Praat

  95. Delay-and-sum beamforming: implementing steering in C

  96. Cancelling the acoustic echo that occurs with a variable delay and volume
  97. Trouble understanding an article about MFCC
  98. Reconstruction of audio signal from Spectrogram

  99. Does the audio signal in the time domain change much after a RMS from one person to another?

  100. MPEG Layer I: use of scalefactor and quantizers